What Causes A Crankshaft Pulley To Break

The squeak would go away once the engine warmed up. If you want to advance or retard the cam at the track, loosen the three bolts and the center bolt on the camshaft pulley, and then put a wrench on the crankshaft bolt and move the crank. i have the new crank installed and i am taking no chances i put the stock harmonic balancer back on with a fidanza flywheel. 5-Pulley Fit Measurement Specification must be: 4 9/32" for B/RB & 4 17/32" for 1970 & later A-Engines See Attached PIC. I thought heating the crankshaft bolt then cooling it or using nitrogen to cool it either way to cause the metal to expand and contract might help break it loose but they said they can't do that. the belt had slipped off and there was a ton of play in the pulley. When a crankshaft pulley is replaced a. The seal sleeve bottoms to the face of the main before the inner face of the gear bottoms against the step in the nose of the crank. Is it possible to retap the crank and will it work or should I have it sent to the engineers to have it examined to see if it is not damaged eg excessive vibration on the crank/unbalanced. The failed balancer no longer protects the crankshaft. I have a 98 camry 3. I fixed the problem following this video. By using the largest pitch diameter for the small timing belt pulley, noise levels will be reduced. This is a big change! Prototype Installed for Testing on Test Engine #2 B21FT: I installed the bracket in my 240 Turbo for long-term road testing and I put thousands of miles on it with no problems. Some say the bigger pulleys kill cranks. 4g15 carb engine, crankshaft pulley loosed. • Pulley deterioration can cause the crankshaft to break • Pulley deterioration causes noise and vibrations which can be uncomfortable for the driver • The crankshaft pulley retaining bolts are pushed to their elastic limit when tightened, this causes them to elongate or deform during installation. It takes more torque to start a crankshaft turning than it takes to continue turning the crankshaft. Do it right. broken/cracked/chipped pulley. They are torque specific so find out what it is and make sure it's correct. The pulley that fell off is most likely fitted on the crankshaft to drive the alternator, a/c compressor, etc. Without it, it's my opinion there is some risk that the pulley will slip. so, whats another way to remove it? also is it reverse thread? thanks. Get a long extension from the bolt (or a couple if needed) and rest them on a floor jack that is same height (or closest to) as the bolt for the crank bolt. In essence, the device is. needed to make stepped key ,slot in crank shaft too big for new key!. The engine stopped the other day whilst accelerating gently as around 20km/h or less. Below are some common pulley problems you may encounter, the possible causes of those problems, and our recommendations on how to fix the problems. It gets better when warm and dry. On a Detroit diesel "Series 92", will a stuck fuel injector cause a crank shaft to completely shear off? The break occurred just 2 inches back from the damper. Now the timing is off bad. Adjust tension. 6-Production Cast Crank Dampers, even though appear thicker than Steel Crank Dampers, they are generally the same in respect to pulley alignment. BTW, the small hole in the plate goes over the injection pump locker tool, the one next to it provides clearance for the injection pump pulley bolt, the large one provides the opening for the camshaft pulley bolt and integral washer and the bolt head fits into the pulley webbing holes and allows about a tooth's worth of movement before locking it up for untorquing the bolt. 3 Answers I replaced the crankshaft position sensor on my 1999 pontiac grand prix GT 3. 750- inch-diameter snout of an unaltered steel truck crank. I guess the Perrin and Agency Power ones are not as good of quality and the molding of pulley isn't exactly precision to the stock one. 14 Slip the pulley off the cranshaft. felt like I was going to break something. Indexing Clutch to Crank - posted in REV-XP / XM Chassis - Mountain Sleds: Okay guys need your Help. Start the lawnmower engine and let it idle for about 30 minutes to break in the new crankshaft. An alternator can lock up and cause a no-start, no-crank, can't turn the crankshaft by hand on these! The 4. I am needing to change my timing belt, which means removing the crankshaft drive pulley, with that big-ass bolt on the end of it. *True for this engine. Dodge said up. The crankshaft can bend severely or even break in some cases. Does anyone have any advice on removing the crankshaft pulley? I have removed the four hex bolts and the pulley isn't budging. Everyday Health inspires and empowers people to live their healthiest lives, every day, through trusted, medically reviewed information and expert health advice from the nation's leading. Get a breaker bar/T bar/ratchet, half inch drive at least and a 22mm socket, fit the socket to your bar and fit it to the crank pulley bolt. KRC Crank Spacers provide proper alignment for your application. 2 cordless craftsman impact almost tapped out when trying to break the bolt loose but it eventually succumbed and I was able to swap them out. They look to be some type of 6 sided socket head screw. I was able to pull over to the side of the highway, but this sudden failure is dangerous and if I was not able to get to the side of the highway could cause an accident. *However*, upon looking over the engine while trying to find the cause of the vibration (loose plug wire, vacuum hose, etc. As I was pulling over to the side, I felt a thud and I saw the crank shaft pulley fly off! I couldn't believe my eyes, how does a crankshaft pulley just come off. Over thousands of miles all that extra stress will cause the tensioner to fail, the harmonic balancer to become looser and might cause the serpentine belt to. then break it free with a breaker bar. What could cause a crankshaft pulley to break off. normally the rubber in the middle of the crank pulley will get cracked or slip and wear out causing a wobble (yes i know IllNastyImpreza has a light weight pulley) but 65-70% of the O. Rotate the body of the dizzy anti-clockwise until this terminal is grounded through the ignition points to the engine block. Even though the timing chain itself will probably outlast the rest of your truck, the guides and tensioners are less reliable. Then turn the B-tension adjustment screw to adjust the guide pulley as close to the sprocket as possible but not so close that it touches. I am trying to get the crankshaft pulley off a 1999 Honda CRV for a timing belt replacement. i noticed something was wrong once the battery light came on and the power steering went out. My buddy was driving my 2006 Chevy equinox awd the other day when the car got hot and cut off they put water in it Jumpstart ed the car and drove it home it would not drive over 25mphalso there's a rattling noise coming from either the top or bottom in front of motor the car will run and stay running with no problems except the rattling noise sound like a chain being pulled down set of metal. ” Hard-starting, start-stalling or no-start conditions are all more noticeable symptoms, but might not be accompanied by DTCs referring to crank sensor issues. A Kia Sorento crankshaft bolt lawsuit will be settled after owners alleged 2003-2006 Kia Sorento SUVs have defects in the design of the crankshaft pulley bolts and balancers that can cause the. The damper is not going to adequately compensate for an out-of-balance rotating assembly. The other cure is a crankshaft pulley with a harmonic dampener/balancer. Okay so I think my crankshaft pulley broke off, and it ate away my serpentine belt. of the balancer pulley and the OUTER ribbed pulley moves even slightly. As far as a timing belt goes it can break for a number of reasons but most of the time something in that timing belt area will start to go bad (idler pulley , waterpump, balance shaft. The crankshaft essentially converts the linear, or straight, movement of pistons into a rotational motion. The amount of force needed to continue turning a compressor crankshaft is “rotational torque”. i been researching on how to do so but i have a question. If the pulley is not in correct alignment with the belt, or if the bearings are won out, the alternator will make a growling noise. I havent tried, but it cant break the axle nuts loose so im thinking it wont be able to do the pulley bolt either. How do you remove the crankshaft pulley, without the pulley turning? Thank you!! Use an impact wrench. This could. DIY The 5 Most Common Causes Of A Check Engine Light DIY This Replica Mercedes-AMG 'Alloy' Is Made From A. We have have made the keyway boss on the backside of these pulleys 150% larger to prevent this. That violent change in momentum and speed is transferred from the pulley on the crankshaft, through the serpentine belt, around the tensioner and eventually makes it to the alternator. The AC compressor, power steering, generator all stopped working. It is critical to ensure the correct position of the base plate; if it is not located so that the nut on the engine is inside the baseplate it will cause the tensioner to function in either a low or high tension value, causing the tensioner bolt to break; this will likely result in engine damage. try bumping it over, have broken stubborn bolts loose this way, starter has a lot of torque. Crankshaft Pulley Removal On 89 240sx Ka24e Engine Ok i plan on changing my timing chain with a new timing kit. Could the other pulleys be out of line and pulling on the crank pulley? If so, would that eventually cause enough problems to break the bolt head? Thanks, Shane. 0 I'm supposed to be doing a timing belt and water pump on at work, but I can't seem to get the crankshaft/harmonic balancer pulley bolt to break free. Once the sensor failed, the engine stalled. More wear on one edge of the V-side than on the other indicated a drive pulley that is out of position and forcing the belt out of line. I can see that causing a problem over time. An internal rubber part, to. First, I break part of the snap ring housing off, not the part boxed in red in pic but directly across it to the left. Remove the breather hose from the valve cover. The harmonic dampener puts a layer of soft material between the crankshaft and outer ring of the pulley. Wipe the outside of the pulley with a clean rag to remove dirt and grease build-up. Idler Pulley – Any pulley used in a non-drive position that is intended to rotate freely and be driven by the belt. I've got another on order but it'll be a few days before it gets out here, so my stupid question is If I continue driving, is it likely to cause damage, like fall off, or just make an annoying noise till its replaced?. The Toyota MZFE engine is a transversely-mounted, timing-belt driven, 24-valve, dual overhead cam (DOHC) aluminum V6 design. I'm thinking of a way to remove the crankshaft pulley nut. Fracture of the crankshaft pulley bolt and associated breakage of the crankshaft nose will lead to the vehicle. This will also lead to improved timing belt life. No one wants that, so be sure to check behind the crankshaft pulley for belt fragments. Has anybody seen this happen? What could cause this? How common? The crankshaft pulley and harmonic balancer are two seperate parts on this engine. Unlike spring decouplers, an overrunning alternator pulley does not have its own resonant frequency and does not have to be adjusted to varying alternator sizes. Draw a routing diagram if there isn't one under the hood. some stuff just is real well suited for an impact gun. His diagnosis- crank shaft pulley bolt was very loose, which caused the crank shaft pulley key to break = $850 in damages to the engine of my car. The Timing belt pulley is about 2. Had the belt replaced and did away with the AC altogether by replacing it with a pulley bypass. I had noticed that the clutch seemed pretty hot, but did not know what 'normal' might be. Ok but the pulley spins freely of the crank since something broke like the woodruff key or the key way so that crank tool is useless. Loosen the crankshaft pulley bolt. We’ve also heard a lot of questions about camshaft installation and break-in procedure. I'm changing the timing belt and waterpump on my 01. In the very worst case you can actually tear the rubber (vibration dampener) between the Pulley and the actual crankshaft pulley (the Harmonic Balancer part), then you are really screwed. Eventually the pulley will fully separate and strand you. Two: I am not positive what the thickness of the bottom plate was, but with all the force I needed to remove my pulley, the plate did bow a bit. cause you to need a new crankshaft. If the crank bolt breaks (which i doubt it, unless it was rusted) it will shear above the threads. Ideally you hit the outside threads, yes, but in cases like this you'd have to head up the crank through the delicate crank pulley, and sadness would ensue. When the outer ring of the harmonic balancer slips from its normal position, a vibration will result. When I got home I popped the hood and tried to pin point the sound and it sounds like it's possibly coming from the crank pulley. So, does anyone have a good trick to. I've hammered it in both directions with the 2 strongest impact guns in the shop (my cordless 780 ft lbs ingersoll rand, and a coworkers snap on 700 ft lbs pneumatic) and it. Use the honda pulley lock tool to hold the crankshaft pulley in place against the frame rail. (it is damn top heavy) It works. Check the timing belt tensioner bearings. Decoupling function The function of the overrunning alternator pulley is to decouple the generator from the rotational irregularity of the crankshaft of an internal combustion engine. A harmonic balancer is like a punching bag for the crankshaft. Start the lawnmower engine and let it idle for about 30 minutes to break in the new crankshaft. Now, can I get the crank pulley off without a pulley puller? Or would I be asking for trouble to even try? thanks, Chuck. Alternatively, it could be an idler pulley. Harmonic balancers fail over time and will cause a crankshaft to break. My question is, what would cause the crankshaft pulley to break?. I have 3 2012's. It had sheared off on its own. ), don't use red. The other cure is a crankshaft pulley with a harmonic dampener/balancer. To start installing the belt, position the belt around the crankshaft sprocket. 5" thick, but only about 1/3" is held by the key. ) while the engine was stopped, I happen to notice a 'chunk' was missing out of the crankshaft pulley. As the engine is revved,the sound gets faster. What might be the cause of the keyway on the crankshaft's nose to break on my 1994 Topota pickup 22R-E engine - Answered by a verified Toyota Mechanic We use cookies to give you the best possible experience on our website. Get this, my alternator pulley tensioner fell off while driving to work today, the bolt that holds it on just snapped in half, wasn't very cold out either. This is a relatively common symptom and some of the parts that are commonly checked are the pulley, belt, blades, and mandrel. When the crankshaft pulley is lined-up the camshaft pulleys are off about 70 degrees clockwise. or (at least ok names ) ( craftsman 1/2" impact gun can be had at 100$ ). There is a small hole in the tranny case under the car you can stick a screwdriver in and hold the engine while you put a pull handle on the center bolt of the gear and break it loose. How can I lock the crankshaft? I think I have to use some tool at the starter hole to lock the flywheel, so the crank won't. Otherwise, you run the risk that one of the components is working badly and can generate a break from any of the other parties. It maintains crank/pulley allignment while torquing the bolt. Somewhere along its' life someone has dumped the thing over and bent the flywheel and possibly the crankshaft. Without tearing the compressor apart it will be impossible for me to say what has failed. Turn the crank axles by hand to confirm that the belt will turn smoothly when the device is in use. These cracks cause the bolt to fracture over time, leading to a loss of retention of the crankshaft pulley. normally the rubber in the middle of the crank pulley will get cracked or slip and wear out causing a wobble (yes i know IllNastyImpreza has a light weight pulley) but 65-70% of the O. Going to go and get a breaker bar to get more leverage cause the 1/2" ratchet alone isnt doing anything plus im trying to this alone. The pulley that fell off is most likely fitted on the crankshaft to drive the alternator, a/c compressor, etc. A friend of mine told me the crank pulley on my engine is wobbling. The Timing belt pulley is about 2. Oy Vey… Winter Breakdown in Wyoming…100 miles from home…. Last night I started my VN V6 Calais and heard a knocking sound coming from the crank pulley I think. I've hammered it in both directions with the 2 strongest impact guns in the shop (my cordless 780 ft lbs ingersoll rand, and a coworkers snap on 700 ft lbs pneumatic) and it. Where bolt fracture occurs, the pulley will oscillate for a period, but ultimately the crankshaft nose will break leading to engine failure. You may need to rotate the engine one full turn. Replacing plug #6 in a 2000 V6 Xterra. He also said the crankshaft pulley needed changing cos of play which might cause the belt to break which can collide with the cambelt and we know what happens then. Is there a good way to break the crank bolt loose if you don't have a flywheel lock to hold crank in place? KC Steve. Didn't have time to discuss further, but anybody heard that before with the pulley or is he more likely talking about the tensioner? All advice gratefully received. i saw one in the shop about a week ago with this problem. They will use the specification from the camshaft manufacturer as to when the valves open along with this super accurate degree wheel on the crank to accurately set up the cam timing, using offset keys or dowel pins to make valve timing changes, or bolting the cam drive pulley on in different positions if the motor was designed that way. The Dorman 594-316 Crankshaft Pulley is a direct fit for your 2003-2007 Ford 6. check all the pulley to make sure they all spend freely. Cable Break Rotation around small pulley 50 Fact • Cable is more flexible than single wire – Bending around a small pulley can cause stress and wear • Larger cable pulley – Less likely to break • Outside strands of cable – Most stress and wear 51 • Cable life can be increased by up to 13 times. i have an impact gun, but i dont think its powerful enough to remove the crankshaft pulley bolt. Replace them if they are loose or noisy. A Ford Dealership would certainly tell you the real truth about a pulley problem if there actually was one. Make sure the front of the engine is clean and dry, and slide the new belt onto the crankshaft sprocket and over the idler/tensioner pulley. First pass tonight I broke the front snout off the crank, it was a Callies Dragonslayer crank in a Dart little M block with an ATI balancer. Crankshaft gave a clean sine wave of approx 1. The rubber could be in bad shape but not fully separated yet, this would allow the outer ring to move while the inner hub stayed stationary. Expect Loctite and if true needs heat too. 3 Answers I replaced the crankshaft position sensor on my 1999 pontiac grand prix GT 3. Note: if its really tight and stubborn heating the end of the nut (bolt) works wonders. With all of that already done to my car, really brings out the potential in this crank pulley, the car revs slightly quicker which actually made a change in the tone of my exhaust that was noticeable. exposure to dirt or debris in the oil, which will scratch the bearings (in turn scratching the engine parts they contact). e fan bracket, idler pulley/bearing or tensioner pulley/bearing, etc. This is a big change! Prototype Installed for Testing on Test Engine #2 B21FT: I installed the bracket in my 240 Turbo for long-term road testing and I put thousands of miles on it with no problems. Just wanted to be sure before I use the impact on it. Hanging a 4-5 lbs object off the perfectly balanced crank will cause the crank pulley to wobble and exert stress on the crankshaft at certain rpms. It has been determined that the crankshaft pulley on my 66 289 did indeed start to break apart at its base where it meets the harmonic balancer. When you rotate the crank clockwise that one tooth will take the slack up between the exhaust cam and the crank without disturbing the cam timing. Some accessory pulleys on Fords are usually plastic. With age and use, these sealed bearings can fail and induce drag in the belt system that can sap horsepower and cause the belt to break. How about heating the bolt red hot. The crankshaft pulley (harmonic balancer) is mounted on the end of the crankshaft. As per Honda, your timing belt needs to be serviced every 50,000 to 80,000 miles. Is a crankshaft damper commonly used? Attached Thumbnails. Not recommended for Small Block Chevy. It seems there is a bearing in the pulley plus the rubber. I have a brand new water pump in the car as well as a new power steering pump/pulley. A good belt, with a good tensioner really grabs the pulley firmly. Replace the alternator pulley or the alternator to solve this problem. I found this nice cast pulley on E bay. i have the new crank installed and i am taking no chances i put the stock harmonic balancer back on with a fidanza flywheel. Couldn't tell for certain without some fairly detailed engine testing. If you pry on the pulley, you’ll bend it. Don't use metal, you don't want to break any teeth. 0&240k) Crank broken at snout. Looking down at the belt, noticed that the bottom pulley (crank) appeared to be too far forward. The engine turns CCW (looking at the pulley ) meaning the bolt cannot be loosened using the starter (edit - Some Honda models have CW rotating engines others CCW. What to do? This is a discussion on Crankshaft pulley wobble. Since proper installation and break-in go hand-in-hand with camshaft success or failure, we've decided to tackle it all in one post. Strangely enough the rubber front seal actually cuts a groove into the front pulley sealing surface and causes that leak (see picture). The boost increase with larger crankshaft or smaller compressor pulley is +0. Over thousands of miles all that extra stress will cause the tensioner to fail, the harmonic balancer to become looser and might cause the serpentine belt to. It should come right off the balancer face. When you rotate the crank clockwise that one tooth will take the slack up between the exhaust cam and the crank without disturbing the cam timing. These pulleys are blanced and will not cause unwanted vibration in the motor. Make sure the front of the engine is clean and dry, and slide the new belt onto the crankshaft sprocket and over the idler/tensioner pulley. This results from a design flaw: an engine mount bracket to which one of the idlers is attached causes a slight misalignment of the pulley. the crankshaft, instead of just falling out. This rubber insert may become worn or damaged and cause timing problems or other symptoms. Average repair cost is $560 at 89,000 miles. I was told that means that the chain likely bent a piston when it jumped, which is a very costly repair. anyways, to prevent potential damage to the crankshaft/crank pulley, i put it all back together with only 1 new part. The other side of the key is holding the SC crank pulley (also only about 1/3"). 2) Break the four 10mm bolts (1) loose, then use a 21mm socket on the center bolt to rotate the assembly clockwise until the timing mark on the crank pulley lines up with the T on the scale (2). The cure for this problem is to install the correct pulley size. If I can find it, I'll scan it for others to see. If you pry on the pulley, you’ll bend it. Torsional vibration dampers having isolator members (crankshaft damper-isolators) are disclosed that include a hub defining an annular receptacle, a pulley body having a belt engaging surface, a damper assembly disposed between an outermost radial surface of the hub and the pulley body, an isolator member seated in the annular receptacle of the hub, and a slide bearing disposed between an. With diesels, the crank is typically thought of as bigger, heavier and harder […]. My belt started slipping again on my 300 I6. If not for the crankshaft pulley, there's no way the alternator, fan, and other accessories will be able to run simultaneously with the crankshaft. This causes no problems until you try to set the timing etc. Pulley out of alignment. I don’t have a harmonic balancer on my crankshaft pulley – but I need to remove it in order to replace the timing belt, when I crank the bolt, the rest of the crankshaft turns with it – thus not allowing me to get the bolt off. If motor mounts break off completely from an engine, and are not just loose or cracked, an engine can shift from one side to another, bouncing about. The imbalance can break the crankshaft. How about heating the bolt red hot. Get this, my alternator pulley tensioner fell off while driving to work today, the bolt that holds it on just snapped in half, wasn't very cold out either. 6L 4V Pulley Instructions Some 1996-2001 Mustang owners, for engine performance purposes, are adding a special front drive pulley kit to reduce front accessory drive speeds. Ok, so I've tried all the solutions posted on here, and the crankshaft pulley bolt won't break. Some motors , you need a new crank seal and has hidden damage. sprocket, and turn the crank arm backward. Check for worn crankshaft, keyway or pulley bore, resulting from running with loose pulleys. If you are reading this, chances you are NOT a novice. It gets better when warm and dry. Had the belt replaced and did away with the AC altogether by replacing it with a pulley bypass. I'm thinking of a way to remove the crankshaft pulley nut. How the timing belt can affect engine stoppage. The Powerbuilt 648796 50-millimeter Honda crankcase pulley removal tool keeps the crank pulley still, allowing users to easily loosen or tighten the crank pulley bolt in most Honda or Acura engines. In this case they all worked loose causing the bolt holes in the pulley to enlarge enough for the pulley to partially break away from the flange causing it to go off center. screws of the pulley, always respecting the corresponding torque. Engine Belt Tension Pulley Vibration I noticed a noise under the hood yesterday, it was pretty bad at idle and went away when I gave it some throttle. Formula: (Crank Pulley size/Alt. Make sense?. I was driving my car on Saturday (96 Civic) when suddenly, I heard a popping sound coming from the engine bay. i noticed something was wrong once the battery light came on and the power steering went out. We’ve also heard a lot of questions about camshaft installation and break-in procedure. The crank cog ,if perfect, can fit tight, (it did new, maybe 25lbs force to remove it?) This is the tool, to make, to pull the cog. I think the plastic flywheel thing was a effort by stihl to get certain saws to rev out faster so they where better for limbing. Make sure the front of the engine is clean and dry, and slide the new belt onto the crankshaft sprocket and over the idler/tensioner pulley. Decided to stop for the evening at the crankshaft pulley. 14 Slip the pulley off the cranshaft. Draw a routing diagram if there isn't one under the hood. The break remains engaged and the drive pulley will turn the lower cam and drive the shaft to cause the transmission to agitate. It is designed to last the duration of the vehicle's engine, and in most applications, it does just that. I thought there was a section on this in the Engine workshop manual, but I can't find it off hand. front crankshaft pulley. 0 hdi 2002, it had cambelt replaced sometime last year but recently i have a ticking noise that comes from the crankshaft pully area the faster i rev the quicker it gets, i have read that the pullys are common faults on these especially after belt change. Even, but excessive, wear on both edges of the V-side indicates a slipping drive pulley due to a loose belt or added resistance from a dragging bearing somewhere. Get a breaker bar/T bar/ratchet, half inch drive at least and a 22mm socket, fit the socket to your bar and fit it to the crank pulley bolt. Top adjustment Turn the top adjustment. That is usually what gets my tough-to-loosen bolts off. that is the crank pulley, go buy a lightweight crank pulley from 3SX. The failure of crankshaft is due to fatigue resulting into cracks on the surface of crankshaft and. *However*, upon looking over the engine while trying to find the cause of the vibration (loose plug wire, vacuum hose, etc. DO NOT iron. Minimize vibration of equipment. This will allow you to take the crank pulley off and then you can literally take the bolt out by hand. The timing marks of the camshaft sprocket and the cylinder head cover should be aligned and the dowel pin of the camshaft sprocket should be at the upper side. The big bolt is under the cap held with 4 smaller bolts. In summer I'm sure it will seem like nothing's plainly wrong, again. Bingo, noise gone, everything running seems normal. When you rotate the crank clockwise that one tooth will take the slack up between the exhaust cam and the crank without disturbing the cam timing. You may need to rotate the engine one full turn. I have a feeling that it may be the harmonic balance. Because of this process the crankshaft is extremely hard but also brittle. An internal rubber part, to. This actually happened on my dad's 06 V6 Sonata - had to replace the entire crank pulley because it separated from the harmonic balancer. I fixed the problem following this video. Okay so I think my crankshaft pulley broke off, and it ate away my serpentine belt. We’ve also heard a lot of questions about camshaft installation and break-in procedure. I'm having trouble removing the crankshaft pulley. I think the plastic flywheel thing was a effort by stihl to get certain saws to rev out faster so they where better for limbing. I found this nice cast pulley on E bay. everyones saying impact gun on this yes, because have you taken off a crankshaft pulley bolt with a breaker bar, i have the motor moves, with a impact gun it takes it right off with ease, and its a cramped spot on a camry to fit a breaker bar in on it especially with a steel pipe to break it with unless you have access to a lift and than yes that will work. I don’t want to write a comprehensive DIY since there are some very good info on the web. He tried to tighten it but says its tight already. Without accurate readings from the crankshaft sensor, the engine may exhibit all sorts of different problems. how the hell do you remove the crank pulley on a 3s-ge? the engine is on an engine stand and i dont have the flywheel on it. The failure of crankshaft is due to fatigue resulting into cracks on the surface of crankshaft and. This is not for the faint of heart, not for the clumsy, and is quite dangerous if you have no prior experience with tools or working on cars. This will be visible when you locate the crank pulley, depending on what type of car you have. The Powerbuilt 648796 50-millimeter Honda crankcase pulley removal tool keeps the crank pulley still, allowing users to easily loosen or tighten the crank pulley bolt in most Honda or Acura engines. Make sense?. Re: Crankshaft pulley fell off what damage could it have caused? Sign In You need to look at it closer and find out if the entire pulley came off along with the center bolt or if it just separated the outer portion of the pulley and the center is still there. With all of that already done to my car, really brings out the potential in this crank pulley, the car revs slightly quicker which actually made a change in the tone of my exhaust that was noticeable. Check for bent crankshaft - if bent then replace. Swapping out those noisy pulleys and belts its actually a pretty simple task that doesn't require any special tools or skill. Average repair cost is $560 at 89,000 miles. It seems to go away fairly quickly. The purpose of the idler pulley is to ensure the belt is routed around the engine components smoothly and without obstructions. Pinning the crank or having a keyed crank would not be impacted either way. *However*, upon looking over the engine while trying to find the cause of the vibration (loose plug wire, vacuum hose, etc. • The end of the outer casing which has the aluminum cap should be at the derailleur side. Is this right and how to I correct this issue. This usually occurs as the normal load is exceeded and the weakened shaft finally lets go. Well he said that on the 300's the crankshaft pulley can walk out of the block and cause the belts to slip. This particular kit is designed for a standard cam location, Gen VI big block Chevy. If a blower is being used, use a crank with a Big Block nose. I am thinking that if I heat the pulley in boiling water for 20 minutes, that will cause it to expand and at least make it easier (less force necessary) to push into place. The HP gains are not worth the headache or damage it can cause. even good ones. Do I just need to figure out how to keep the pulley from rotating and loosen the 19mm nut?. I had noticed that the clutch seemed pretty hot, but did not know what 'normal' might be. The HP gains are not worth the headache or damage it can cause. This happened previously two years ago,that time i didnt catch it before the pulley flew off in the engine bay. Okay so I think my crankshaft pulley broke off, and it ate away my serpentine belt. The crank cog ,if perfect, can fit tight, (it did new, maybe 25lbs force to remove it?) This is the tool, to make, to pull the cog. The SC crank pulley shares a very small key with the crank timing belt pulley. There would be no reason for a steel one to break. 6-Production Cast Crank Dampers, even though appear thicker than Steel Crank Dampers, they are generally the same in respect to pulley alignment. Federal Trade Commission is telling me Dodge has to prove that pin cause that valve and piston to break. i have an impact gun, but i dont think its powerful enough to remove the crankshaft pulley bolt. That said the harmonic balancer has a thin layer of rubber for dampening in it and if that wears out will cause a noticeable amount of play/wobble and cause it to sling or eat belts and possibly back out crank bolts. • The end of the outer casing which has the aluminum cap should be at the derailleur side. On a Honda you are supposed to tighten the Crankshaft pulley bolt so tight that it requires you to jump up and down on a 14 foot cheater bar attached to a 3/4" Drive breaker bar with 3 foot 3/4" Drive extension resting on a 25 ton jack stand to break the bolt looseOh yeah, it must sound like a rifle shot going off when breaking. Align the timing marks to set the No. How do I remove a crank pulley? By Dangerdave, August 13, 2006 in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX. or if an S type bonded to a carrier and then bolted to the pulley. i dont have a torch gun and i plan on. 5' or 4' pipe off your floor jack, a breaker bar (not ratchet) and the socket. Check for worn crankshaft, keyway or pulley bore, resulting from running with loose pulleys. Then put a test light or a volt meter on the wire on the side of the distributor. It'll be necessary to completely disassemble and reassemble your engine (if you decide to keep the car, that is). But they do break where ground to a small radius, too - so grinding is a risk & a fatter crank from start would have helped, since other four bangers with beefier cranks doesn't have this problem. Loosen the clamp at the base of the distributor until you can turn the distributor with your hand. Belt noise begins when the spring weakens or the pulley bearing begins to wobble. Strangely enough the rubber front seal actually cuts a groove into the front pulley sealing surface and causes that leak (see picture). Various pulley’s, like alternator free run pulley, crankshaft pulley and idler pulley; Automatic belt tensioner (check the damper) Dual mass flywheel; Do not install imitation parts! 2. The crank pulley rotates several degrees independent of the crankshaft. Vibration causes air displacement, which causes noise. Some say double keying is bad, some say it is good. The Tensionier pulley bolt snapped and has caused some interiort engine damage. I'm just driving along and I hear some metal hit the ground, next thing I know I've got a check engine light and a battery light on. They had a 3/4 drive impact with like 750 ft. High vibrations and broken pulley belts will cause the Crankshaft Pulley to slip, which will damage your vehicle's crankshaft and result in. 5-Pulley Fit Measurement Specification must be: 4 9/32" for B/RB & 4 17/32" for 1970 & later A-Engines See Attached PIC. Tie-down should make about 4 or 5 loops around pulley. At first I thought it was a bent pulley. So being upset already at finding other things, I pulled it off to see what was going on. After letting the pulley soak for a while, it’s time to remove it.