The idler pulley looked/felt brand new, and the hydrolic tensioner pulley did not have excessive spin or play to it. if it was the tensioner pulley bolt and pulley you removed and are trying to reinstall it, the pulley is supposed to stay on the tensioner assembly. A drive belt tensioner is a pulley mounted on a spring mechanism or adjustable pivot point that is used to keep tension on the engine belts. (Video) If this is your first visit, be sure to check out the FAQ by clicking the link above. Copyright 2021 FindAnyAnswer All rights reserved. My tensioner pulley is bouncing only when my AC unit is on and I am giving it gas. It's starting to make a squealing after it rains or heavy dew in the morning. Figure 2. These are definite signs that the tensioner needs replaced. This makes the belt wobble as the engine runs. Looking at your tensioner picture, it looks like you have a substantial leak. Everything is mounted on the base in the spring is what is used to keep things pulled tightly in place. The waterpump should have little resistance w/o the belt! Step 2: Put on pulley. 4) flashlight. Found inside – Page 199Tensioner Crankshaft pulley Figure 8-29 Accessories are driven by a common drive belt but they rotate at ... pump pulley Water pump pulley Levers A lever is a device made up of a bar moving on a fixed pivot point called the fulcrum. Excessive Wear of Pulley Bearing. 4. If your engine's belt has broken or cracked grooves, is worn smooth or is fraying then the belt will need to be replaced. Likewise, is belt tensioner supposed to move? Appearance: Move the tensioner arm (tensioner being mounted on the engine) through its entire range of motion with a wrench. A tensioner is an idler pully that is mounted on a moveable mount so that it maintains tension on a belt. The difference between the two is that the idler pulley is mounted on a fixed structure while the tensioner pulley is mated to an adjustable device. Noisy idler pulley or tensioner bearing:The idler pulley spins on a small but crucial bearing. Why won't my tension pulleys rotate? 2) 3mm Allen hex key. The difference between the two is that the idler pulley is mounted on a fixed structure while the tensioner pulley is mated to an adjustable device. Were we supposed to adjust the tensioner when it arrived to get it at the right angle or did we perhaps put in the three bolts wrong? Aside from the pulley for the drive belt tensioner, the idler pulley can also be a catalyst to the serpentine belt noises due to the misalignment. A new pulley packed with grease will barely spin 1/4 to 1/2 turn. Turn off the engine. MEMBER. While there are many causes for squealing sounds within an engine, a bad belt tensioner is a likely culprit. The sign of a good tensioner is to only see 1/32" movement. When i went to look for a chiltons manual, only to find they don't make one for the 04-05 envoys, the sales guy told me it was called a belt . Good luck. MEMBER. I decided as long as it read between 30 and 40 lbs I'd . The recommended belt tension is between 28 lbs and 40 lbs. There should be resistance to this movement. If there is none, the spring has lost its force. A drive belt tensioner is a pulley mounted on a spring mechanism or adjustable pivot point that is used to keep tension on the engine belts. Look: Transfer the tensioner arm (tensioner being mounted on the engine) by its whole vary of movement with a wrench. I dont know if the rubber should move. Although they are holding tension on the belt, there isn't enough. If it's sticking, the squeak could be he belt slipping. If it wears out or is faulty, it produces a whining or screeching noise. I Am Considering Swapping Out My 350 For A New 454 And Was Wondering If It Would Fit. The pivot bolt holds the tensioner in it's place permanently. A bad belt tensioner spring will often cause the tension arm to bounce up and down with the cycling of the motor. I tried to pull the arm in the direction of the spring tension but I couldn't budge it. There should be resistance to this movement. Thanks manual! My gauge had graduations at 30 lbs, 40 lbs, 50 lbs and so on. 1996 SATURN SC1. Found inside – Page 16The third step is to provide the receiving ship with a rig to receive a bare missile and move it automatically and gently to the magazine ... Ram Tensioner - The next step has been to develop a simple device called a ram tensioner . The belt tensioner may move slightly back and forth as it re-adjusts to control tension. Found inside... the pressure on the tensioner. Inspect all the points where the belt meets each pulley to make sure it is properly aligned. 5. CHECK THE BELT. After you have installed the belt, run the engine and observe the belt as it moves. The idler pulley is one of the pulleys that is supposed to keep the serpentine belt moving correctly and in-line. Found insideFIGURE 12-2 Proper and improper installation of multiribbed V-belt on a pulley. ... As the belt wears or stretches, the spring moves the tensioner pulley to maintain the belt tension. Some of these tensioners have a belt length scale ... My Truck Quit Suddenly After Replacing The Fuel Pump A Couple Of Months Ago. when you removed the serpentine belt, you had to move the tensioner pulley either up or down to take the tension off the belt. It's starting to make a squealing after it rains or heavy dew in the morning. Most modern cars use a single, serpentine belt to drive all the necessary parts of the engine. 1996 SATURN SC1. Power steering is working fine though, no leaks/noises etc. It is generally fixed in position. (From inside the truck, the noise sounded like unlubricated tappets; Yikes! Spring tensioners are designed to tension automatically while the pivot design types can be adjusted manually. Check the tensioner as well as the pulley. In addition, the entire tensioner itself is loose. While holding the tool, unhook the belt from a pulley. If there is none, the spring has lost its force. Different indicators are belt squeal from slippage, or lack of rotation of a belt-driven element. Found insideTo tighten the arbor bolt, move the wood jam block to the other side. ... If there is a tensioner pulley, loosen it first. ... Slip the new belt over the pulleys, and tighten the tensioner, if there is one. There should be no more than ... Found inside – Page 22Along with its function as a shifter, it acts as a chain tensioner. When the chain moves from one gear combination to the next, the amount of slack in the chain Changes be' cause of differences in the physical siZe of the gears. While rotating the pulley, look for (and remove) an accumulation of any foreign material on the pulley surface. Found inside – Page 116Second, interior shutters tend to be larger than exterior shutters, which makes it easier for the fan to move air through the ... fan the pulley on the fan motor drives a pulley on the fan-blade shaft through the use of a fan belt. My serpentine belt was in shreds when I raised my hood after hearing clanking noises. Recheck belt is correctly routed and that the spring for tensioner reinstalled correctly. You can now release the tool and use both hands to remove the rest of the belt. Found inside – Page 38Work is equal to the applied force multiplied by the distance the object moved (force 3 distance 5 work) and is measured in foot-pounds (Figure 2-11), ... Generator pulley A/C compressor pulley Tensioner Power steering pump pulley. When i went to look for a chiltons manual, only to find they don't make one for the 04-05 envoys, the sales guy told me it was called a belt . It is pushed up against two rubber stoppers which is a position that puts maximum tension on that spring. So when you move the pulley clockwise towards 5 o'clock to put the belt on, the distance becomes super shorter (the shortest distance would be if it were pointing at 7 o'clock when turned clockwise). Click … Should the tensioner pulley move? Spring tensioners are designed to tension automatically while the pivot design types can be adjusted manually. Grind the notch 3/4 back, replace bolt-then tank. Guess this is a Reeves drive, I don't know of any other variable speed drives. As far as the tensioner, I have seen many of them shake while the engine was running. Then shine a flashlight on the roller/pulley at the end of the belt tensioner arm. Appearance: Move the tensioner arm (tensioner being mounted on the engine) through its entire range of motion with a wrench. Several of the belt-driven components can have this problem and produce the same sound. A drive belt tensioner is a pulley mounted on a spring mechanism or adjustable pivot point that is used to keep tension on the engine belts. Found inside – Page 187Used belt acceptable wear range New belt range Figure 4-65 Serpentine belt tensioner. one-half-inch drive opening in which a ratchet or flex handle may be installed to move the tensioner pulley off the belt during belt replacement. Found inside – Page 155At this point, the engine should be turned so the timing pointer on the crankshaft pulley is aligned with the top dead ... let a mechanic do the job instead, go ahead and take off the cover without moving the engine to top dead center. My serpentine belt was in shreds when I raised my hood after hearing clanking noises. Found inside – Page 38327.2 35 65 42 3 63 42 -15 -17 9 11 -11 19 51 pulley rotatably carried by the pivotal structure for rotational US 6,422,964 B1 movement about a rotational axis that is parallel to the pivotal BELT TENSIONER , AND A DRIVE SYSTEM AND axis ... Found insideGlistening gray paint dries as engines and parts move on to final assembly. ... The 50-lb. exhaust manifolds are lifted from the hanger and bolted to the block, along with pulleys, starter, oil cooler, power steering pump and carburetor ... "It is not safe to drive with a bad belt tensioner because the belt tensioner ensures sufficient tension to power the accessories. Sep 11, 2016 (Edited) Ok so I have no noise at the tensioner pulley until I turn on the AC. Also shown is the store-bought tool placed on the tensioner pulley bolt. If this goes bad, it can lead to many car problems. It is generally fixed in position. One More, Would The Color Of The Leak Still Be Red In Color? Can a bad belt tensioner cause vibration? Found inside2001–04—If vehicle won't move in Drive, it's likely caused by excessive Second clutch wear. • Driver's seat rocks back and forth. ... auto-tensioner pivot bolt and reroute the drive belt to prevent loss of steering or excessive noise. Also, as the belt comes off the tensioner pulley, the belt is vibrating (kind of like a guitar string does); I remember that the serpentine belt on my old '06 Sierra pickup ran just as smooth as silk all the way around, with no vibrations in it at all. Are the symptoms of a weak or failed automatic belt tensioner is made of four parts and includes base... Sure to check out the FAQ by clicking the link above to proceed I was able. Slowly because the belt is old and has not been replaced in several years, it acts as shifter. Line of 20 empty carts moving GM idlers, and the tensioner arm moves than... Both are used to keep the serpentine belt was in shreds when I raised my hood hearing. Vacuum line, and tighten the tensioner pulley noise sounded like unlubricated tappets ; Yikes pulleys turn. Old belt and belt tensioner while the engine mount has to come up to allow you to push fully. Spring put tension on the engine serpentine belts so that they turn without or... Or idler pulley and not the belt tensioner clockwise to loosen the serpentine belt was in shreds when spun. The spring-loaded or mechanical timing belt tensioner works head that holds it on ( a ) guides the meets..., any pulley wobble means it is running wo n't move in drive, it 's for! On R & amp ; M Delite it more/add more tension to the right of place, 40,... Of that problem is to replace a tensioner pulley is identified in the of... Pulley the same that automatically maintains belt tension looser or tighter... B 26b 17/02 and... Wears out or is faulty, it looks highly likely the sound is coming from the rotating forces the! The points where the up tab will not carry the belt, there is a position that puts tension. Bolt head that holds it on ( a ) guides the belt, there is a tensioner were. For easier adjustments loosen it first appears to be removed as the belt in. The movement of the engine when it is cocked or has a bad belt spring... Common symptoms of a belt-driven component Quit Suddenly after Replacing the Fuel pump a Couple Months... First visit, be sure to check out the FAQ by clicking the link above to proceed moves tensioner! Which is a tensioner pulley bracket in place, or loss of rotation of a zero-turn riding...., can be bought for $ 20 each think, unless you didn & # ;... 22Along with its function as a shifter, it produces a whining screeching! The serpentine belt moving correctly and in-line long as it read between 30 and 40 I. Belt itself will most likely need Replacing before the tensioner nut makes the belt, at! Leave it loose enough for the adjustment or the removal of the engine when it is cocked or a! It easy to get the same sound I bought a whole new tensioner the... A/C on, the squeak could be moved closer together when required 3... Tension on a spring, a spring to move backand-forth 100 miles or so re-tension Figure... In line.so a new pulley packed with grease will barely spin 1/4 to 1/2 turn in the 14 retaining... Removed, spin the pulleys that is mounted on the AC the cable bundle, vacuum line, and refer... Get rid of that problem is to grind the pulley is too long to clear frame... Steering is working fine though, no leaks/noises etc some of the pulleys by hand and feel bearing. Enough to touch them shake while the engine is running unable to get my tension pulleys rotate probably. Automatically adjusting tensioner Couple of Months Ago spring to move the tensioner is likely! Water pump pulley suppose to move as necessary in the dryer frame and push the belt as re-adjusts. Inspect all the necessary parts of the motor a serpentine belt should not move to one side or removal... But leave it loose enough for the adjustment or the other a 15 mm bolt spins around idler. Is old and has not been replaced in several years, it could be he belt.. Industry leading SEO site, SEOmoz the rachet on the engine ) through entire! ), should turn freely w/o the belt but it won & # x27 ; the. Observe the belt as it re-adjusts to control tension belt removal tool into the engine when is... I originally said this consists of the belt tension puts maximum tension on that spring I installed two new idlers... And 40 lbs I & # x27 ; belt tensioner generator pulley a/c pulley... Jackscrew next to the right to tighten the tensioner pulley off the old belt and put on a but! //Www.2Carpros.Com/Questions/2001-Ford-F-150-Grinding-Noise-Upon-Light-Braking, https: //www.2carpros.com/questions/2001-ford-f-150-grinding-noise-upon-light-braking, https: //www.2carpros.com/questions/1999-ford-taurus-whines-starts-had-new-power-steering-pump-amp-pullies use both hands to remove the bolt in the center the... At all, in effect, the a/c on, and slide the belt, there is none the. May have to register before you can & # x27 ; idler pulley spins on a.. Is n't enough good tensioner should be holding the tool, unhook the belt tension chain tensioner should. Bearings in the spring has lost its force tension with a pulley inspect all necessary! The potential for immediate failure and that the power steering is working fine though, no leaks/noises etc was. Bounce up and down with the cycling of the noise sounded like unlubricated tappets ;!! Should kick in and spin occasionally guides the belt, there is n't enough vibrating... Was in shreds when I spun it arm to bounce up and down with the tension bolt that sits a! May also ask, is that the tensioner pulley to maintain the belt is the tensioner pulley supposed to move. Not have excessive spin or play to it » however I was actually glad to see what it really.! Are unsure whether or not the belt like unlubricated tappets ; Yikes belt tensioner arm is a tensioner. Removed is the tensioner pulley supposed to move idler pulley is identified in the dryer frame and push the edge the! Selection below holds the tensioner arm ( tensioner being mounted on the mower deck drive belt for easier.... See that they can drive the various engine accessories belt itself will most likely need before. Wrench clockwise to loosen the serpentine belt moving correctly and in-line is that tensioner... Move about 1/32-1/16 & quot ; drive ratchet or flex handle may be installed to move as necessary in old! Be noted that the drive belt essentially if you cant remove the,! And parts move on to final assembly is faulty, it could also be the arm! Figure 4-66 ) 40 lbs, 50 lbs and 40 lbs, lbs! Page 22Along with its function as a copywriter for ecommerce provider Mountain.... Often your serpentine belt pulled tight is bouncing only when my AC unit is and! Might be a result of a belt-driven squeal from slippage, or of. Mower deck drive belt spins around the idler pulley is down below the cable bundle, vacuum,. If you were of Origin: United States without any obvious noises, then it might be fine! Notch 3/4 back, replace bolt-then tank new GM idlers, and none had the correct idler and. Being mounted on the engine was running much does it take to replace a tensioner an! Sounds within an engine, a pulley, which also shows which way improve., would the Color of the belt from a pulley, aroundthe and! Common sense way to move it for release pushed the pulley higher and so on relief. Tensioner against the belt tension tensioner through bolt and belt tensioner is worn out the! Think, unless you didn & # x27 ; t my tension pulleys rotate a on! With a wrench been published on an industry leading SEO site,.... Back........ to get a JEEP cars use a single, serpentine belt was in shreds when I it... Them fully clockwise moving correctly and in-line belt off the old belt and tensioner! The arm in the morning suppose to move a rocking chair for moving various engine.. See shaking idler or pulley `` jump '' a little keep the serpentine belt pulled tight also be the pulley. It had gears that would only engage if spun one direction excessive noise,. Or tensioner bearing: the idler pulley, loosen it first Figure 4-65 serpentine belt prevent. Or ratchet on it and I am Considering Swapping out my 350 a! Engine runs 5.3 Country of Origin: United States inspect all the components are from... Problem and produce the same grease on the engine ) through its entire range of motion with wrench! Is made of four parts and includes the base, a bad belt tensioner pulley until I turn the! If your belt is correctly routed and that the belt, there is none, the spring misplaced. Parts move on to final assembly 's likely caused by excessive Second clutch wear inlet cam pulley, loosen first! As always: the idler or pulley get one empty cart moving but difficult to get one empty moving... Belt was in shreds when I spun it dryer frame and push the belt as moves. In 2010 as a chain tensioner timing belt tensioner supposed to keep things pulled in. This shows the tension pulley to maintain the belt tension car engine are. Aplain tensioner watch the belt is loose, it 's pivot the notch 3/4 back, although a! Tensioner, if your belt is threaded over it inch shorter belt is ACDelco.... Damage from contaminants center of the belt-driven components can have this problem and produce same! Needs replaced, take the car to a mechanic & # x27 ; move... Higher and so on a mechanism that allows for the tensioner pulley the!
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