How To Tighten Belt Tensioner Pulley

Tools you'll need are a 3/8 inch drive ratchet with a long handle or a pipe for some extra leverage, and a 15mm socket and ratchet. The forces that work during operation are not uniform around the entire belt length; there is always a tight side tension and a slack side tension. Looking at the parts image below from the PartsDirect site, the mower drive belt is shown as item 20 , the tensioner pulley is item 35 and the engagement lever you use to turn on the blades is item 53. Check your kickstand clearance to the belt pushing down on the belt then adding at lease 1/2”. This is known to extend the longevity of these serpentine belts. Toyota Camry 2007-2011: How to Replace Serpentine Belt Tensioner. Idler pulleys are designed to keep steady tension on the belt and reduce belt wobble. Since the Ram uses the serpentine belt to rotate the water pump, when the belt breaks you are forced to come to a stop. Adjustments are made on site as the mtor runs at the prevailing load. Now add the AC belt. How to adjust belt tension on troy bilt riding mower. To install the serpentine belt, you must remove the pulley from the tensioner assembly bracket (hereafter called the tensioner pulley, as opposed to the fixed idler pulley). Don't Let Critical Systems Fail. Install new belt and tighten to desired tension. After you have completed installing the. the belt keeps jumping off,on the deck,, in the owner manuel doesn't tell you what setting the tension spring with the chain on one end ,, what link do u tighten it to the slot on the mowing deck 1st or 2nd or 3rd link of the chain,,,, how do u know when the belt is in the proper tension mode to keep this from happening again,,, your help will be greatly. I guess not. It is a two-pulley system. Inspect that the pulleys are in proper alignment with each other. How to use a spring balance. LOL Also at the time replaced the blower tensioner with one of Brett's manual adjust models at around the same time. Assemble the brackets to the backplate with M4x10 screws. Turn the tensioner pulley bolt CW to de-tension the main belt, and remove the belt. Adjust the timing belt once the course is correct. Tools you'll need are a 3/8 inch drive ratchet with a long handle or a pipe for some extra leverage, and a 15mm socket and ratchet. Place the lower transmission belt into the upper "V" Pulley closest to the engine on the crankshaft pulley. Since all these components have similar lifespans, manufacturers recommend replacing all of them at the same time so the system can function like new. Leave a pulley with no grooves (the back of the belt will be against this pulley) last for easy installation. There is no reason to disassemble the entire engine to replace a belt. the idler pulley has a sealed bearing that. Tighten the locking bolt to 40 lb-ft. Then remove the drive belt from the engine and transmission pulleys as well. average belt velocity on the driven pulley is slightly higher than the speed of the pulley surface. How to fit Upgraded Lower Pulley, Tensioner, Belt and Shield If your X-Type Diesel is rattling and clattering at tickover and then gets worse when you put the aircon on it is most likely to be the lower pulley or tensioner. To remove an old serpentine belt, or to tighten up a new one, the tensioner bolt on the tensioner pulley is turned until proper tightness is achieved. (3) Tighten fixing nut. Remove all tension from the belt by loosening the set screw on the tensioner. For timing belts with the manual tensioner, loosen the tensioner pulley bolt slightly. The belt tensioner adjustment bolt will now be able to move the tensioner wheel up to loosen pressure on the belt for removal or press down on the belt for proper tension upon reinstallation. However, the only way to correctly tension the belt is with the idler pulley. Automatic tensioners tend to wear out at around 100K miles. How to Replace the Serpentine Belt Tensioner on a Saab 9-3 Saab doesn't have a replacement interval for the serpentine belt tensioner. Here's how to inspect and replace it. (Don't release the belt just yet because the tensioner could just fall out. The tension in this belt comes from the alternator compressor pulley. Now you will be left with a bracket with the main belt tensioner pulley and idler pulley on it. The chain tension of a chainsaw may be adjusted with a chain tensioner. Toyota Camry 2002-2006: How to Replace Serpentine Belt, Idler and Tensioner Pulley Most engine squeals are the results of a worn out belt, idler, or tensioner pulley. Review these photos and then crawl under the car with you socket wrench setup. Just replace ituse a T50 or T55 (can't recall right now) to loosen it and slip on the belt. Then use an allen wrench to loosen the screw that is mounted vertically. If you have left the engine fan in place you will now need to undo the four 10mm bolts holding it on. On this truck, the marks were just a tad bit off of the marks, but it was equal at all three marks (which is somewhat visible in the pictures). The serpentine, or s-belt, has greatly simplified the operation of under-hood pumps and pulleys. The belt should deflect. Tensioner pulley and drive belt. A V-belt’s purpose is to transmit energy between two components. Read newer posts towards bottom* Hi everyone, I had some friends help me do a timing belt and water pump replacement on my 1. For optimal operation, it is important that belt tension is maintained at the correct level. The drive belt runs off the clutch pulley mounted under the. Oil will cause the new belt to slip. Tighten the bolt until there is about 1/2 inch of slack on the belt. Check level and alignment of pulley shaft or belt will not track properly. Also shown is the store-bought tool placed on the tensioner pulley bolt. The power that is transmitted by a belt during operation works on the rim of a pulley. Proper pulley adjustment will help increase the life. It applies just the right amount of tension on the belt, as it transfers the power from the crank to the rest of the engine. Set belt tensioner assembly on top surface. 2 liter inline 6. NOTE If the V-belt ‘whips’ during operation, the belt’s tension is too loose. This one has a pulley type tensioner (it's the middle pulley that hangs lowest). However, pulley systems can have problems with tracking. Adjust Belt Tension Belt tension is normally adjusted by loosening the motor mount bolts and sliding the motor closer or farther away from the fan. Put Pulley back on the teniosner and turn counter clockwise to tighten you may need to get under the car the get some room to tighten STEP 9 Replace Belt. Install mule drive belt (K) onto idler pulley (J). After you've let it soak in, loosen the tension pulley nut (circled in red) by turning it anticlockwise a few times. Check the drive belt for proper tension Check the clutch cable for correct adjustment. ) after adjustment. To loosen the tension on a serpentine belt on a 2005 Grand Caravan 3. For that reason, when the pulley runs out of adjustment, the only way to adjust the belt additional is to replace it with a new one particular. The belt tensioner adjustment bolt will now be able to move the tensioner wheel up to loosen pressure on the belt for removal or press down on the belt for proper tension upon reinstallation. This makes rotating the tensioner pulley easy. To install the new belt, you must rotate the tensioner, install the belt, and then slowly release the tensioner. Or, you may have to loosen the tensioner pulley adjustment bolt to release. However, I can't figure out how to get the tensioner/pulley to move to the right so I can get the belt back on? There's not a square hole that I could just stick the end of my socker wrench in. A table saw belt that is adjusted too tight increases wear on the drive motor bearing and on the saw-blade arbor's bearings. Adding shims decreases belt tension, and subtracting shims increases belt tension. So, if the belt is slipping, it is more likely the belt itself is too worn to grip the pulleys properly and the belt will need replacing. Run the new drive belt through all of the. Here's how to inspect and replace it. Tighten the pulley bolt (blue arrow), then tighten the adjusting bolt to 26 ft. If it becomes worn, or if it breaks, then the drum will be impeded in its attempts to tumble and rotate. Although it was not severe, the car does have 110,000 miles on it, so I decided it was time to change the belt and pulleys. Tighten camshaft sprocket bolts [10]. Step 3 - Loosen serpentine belt tensioner. On a vehicle engine, this type of pulley is commonly found on a spring-loaded bracket that is also used in belt removal from the system. Tighten one pump pulley screw back into place. Adjust And Align A Conveyor Belt - kulturchuchi. Check to see if the belt tension idler arm and pulley are working correctly. It may still be a tight fit. On engines with an automatic tensioner make sure the tension indicator is within range and holds proper tension on the belt. Ensure the belt is kept taught between the pulleys as you install it. It will add the correct tension for you. The serpentine belt powers every accessory on the engine. Place a 15mm socket wrench on the center bolt head of the tensioner pulley. Some newer models have an auto tensioner which is a lever that has a wheel that puts pressure on the drive belt and a spring on the other end that automatically loads the belt to the proper tension. Get the torque wrench in there. Then using the 13mm box wrench, loosen the bolt on the timing belt tensioner and release tension to the belt. use a 15 mm wrench on the tensioner pulley bolt. You can relieve the tension on the tensioner by the top or the bottom. In fact, a V-belt that is over-tensioned by 10 percent can produce a 10 percent reduction in bearing life of the motor, and over-tensioning is also the leading cause of V-belt failure. When the cones are close together (when the diameter decreases), the belt rides higher in the groove, and the radius of the belt loop going around the pulley gets larger. These are the air conditioning, power steering, alternator, and water pump. On this truck, the marks were just a tad bit off of the marks, but it was equal at all three marks (which is somewhat visible in the pictures). Pressed on the belt tensioner to get just enough slack to wrap the belt over and around the camshaft pulley. Extremely loud belt squeaking, I took it to autozone to help me pinpoint it, and it is the pulley(or belt tensioner) that is located directly to the right of the alternator. Now, hold the tensioner loosely while threading the last roll. o Other models require removal of the plastic cap on the tensioner pulley. It is intermittent, and the tensioner was replaced by the previous owner so that could very well be; didn't start until they started sanding the roads. The smaller the pulley the greater the flex, of the belt and greater the wear. Tools you'll need are a 3/8 inch drive ratchet with a long handle or a pipe for some extra leverage, and a 15mm socket and ratchet. We would be replacing it too, but this tensioner checks out. Set the motor and pulley at the right position with a small prybar and tighten the bolts with the socket wrench when you have the pulley adjusted properly. also, when putting the belt back on, its easiest to route the belt around all of the pulleys except the crank first and then put it on the crank as you turn the tensioner bolt. The idler pulley on the 2002 Ford Focus helps keep the belt routed properly on the pulleys. LOL Also at the time replaced the blower tensioner with one of Brett's manual adjust models at around the same time. Since the TB is new, direction of travel is not important. What makes a V-belt pulley stand out from other types of pulleys, such as a round belt or flat pulley, are the V-shaped grooves of the pulley; these grooves guide the belt and allow it to gain traction. Contact an authorized serving dealer for evaluation and repair. If the tensioner was flopping around as the vehicle was running, and we had low tension, to give the belt slap. We Engineers replace belt drive and just adjust tension on the belt based on our experience. We would be replacing it too, but this tensioner checks out. A worn automatic serpentine belt tensioner can cause belt squeal, misalignment and belt chirp, and alterantor bearing damage. Make sure the pulley is aligned straight and tighten the screws until hand tight; Contact the manufacture of your product to check the torque settings of the bolt. Get out your new belt and diagram and feed/loop the new belt in, making sure the threads and teeth on the belt line up and everything sits nice and smick, leaving the belt off the very top pulley. Install the water pump pulley. Remove the center nut (#1) that holds the idler pulley (see photo). First Aid for conveyor belt problems. Tighten the bolt until there is about 1/2 inch of slack on the belt. Minivan Repairs: Replacing the Serpentine Belt Tensioner. Rotate the tensioner pulley in a clockwise direction and tighten the center bolt (Figure 15). Slowly release the idler arm. Re-adjust the tensioner bolt to restore tension to your new belt. You do not need to remove either the alternator, or the A/C compressor to replace the serpentine belt or belt tensioner pulley. This should put tension on the pump drive belt, which runs from the pump pulley to the drive motor pulley. Check fit of inner race to ensure against bearing distortion. Why Drive Belt Tensioner & Pulley replacement is so important. Clean the mounting area and pulley area as needed. Large idler pulley 5. Once the belt is fully routed, tighten the tensioner bolt on the power steering. Also if you suspect your problem is coming from the pulley you might consider buying the idler pulley arm that comes with the shaft permanently mounted to it. Time to install the new Timing Belt! Using two small Allen wrenches and a screwdriver, move the eccentric inside the tensioner pulley so that the belt tension is minimized. Slide the old drive belt off the front drive clutch pulley, and then the rear clutch pulley. This will indicate whether the belt and tensioner are operating properly with the sprockets. Pulleys diameter is measured across the pulley, from outside edge. Cheap tool case with drawers, Buy Quality tool led directly from China tool Suppliers: Car Engine Timing Belt Tensioner Pulley Adjuster Wrench Tool For VW Audi Skoda Seat VAG Auto Repair Garage Tools AT2246 Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Then retorque pulley bolt. Swapping out those noisy pulleys and belts its actually a pretty simple task that doesn't require any special tools or skill. Set the motor and pulley at the right position with a small prybar and tighten the bolts with the socket wrench when you have the pulley adjusted properly. From what I understood in the video, you have to tighten the tensioner before you tighten the pulley otherwise it will break. After the pulley has been replaced, again pair up the old and new belt, then install. It is intermittent, and the tensioner was replaced by the previous owner so that could very well be; didn't start until they started sanding the roads. To remove and replace either the serpentine belt or the tensioner pulley, you must keep the belt tensioner compressed; to do this, you will need a tool to hold the parts in place. You should not adjust these since they are preset. Extended the belt towards the camshaft pulley onto one tooth. Belt tension trick. Also, the belt should be adapted to the crown of sprocket. if your idler pulley does not spin freely the belt will try to slide across past it and create friction which will destroy the belt quickly. Thread the belt through the system and let the end that runs around the tensioner to the last. The belt was shredded, down to just 3 ribs wide, also the back of the belt has been scraped away. Your engine's accessories would not function properly unless your Toyota Tundra drive belt tensioner keeps those belts tight. Adjust the belt tension. It is intermittent, and the tensioner was replaced by the previous owner so that could very well be; didn't start until they started sanding the roads. Apparently the spring in one of my stock tensioners was weak. Don’t tighten too much — a too-tight belt damages the motor and fan bearings and makes a big, expensive mess of things. This will remove the tension from the belt so it can be lifted off the alternator pulley. Locate the manually adjustable tensioner pulley on the front of the engine. Tighten the tensioner bolt to 28-38 Ft/Lbs or 38-51 Newton/Meters. All of these things are bad for your bike. Lock it by tightening the bolt over the slot. Repeat as necessary. Loose mounting Tighten mounting. Toyota Camry 2002-2006: How to Replace Serpentine Belt, Idler and Tensioner Pulley Most engine squeals are the results of a worn out belt, idler, or tensioner pulley. The serpentine belt tensioner pulley may wear out. Install the crank pulley and bolt. However, pulley systems can have problems with tracking. Adjust Belt Tension; Learn More About Belt Tension Adjusting the Belt Tension for Optimal Performance. Spring tensioners are designed to tension automatically. from the belt seated in the pulley and tighten the pin in position. If it shows that it's in the correct tension range double check the pulley alignment of the new alternator vs. Now, when I tighten the tensioner, it screws in, but doesn't tighten the belt hardly at all? I'm not sure if I'm explaining myself the right way. Install the timing balancer belt pulley and lower cover. In the engine, the serpentine belt which activates and connects to every pulley is the most popular used recently. Due to hundreds of heat cycles and wear on the rubber belt as well as bearings in the pulleys, the annoying noises you hear arise. Lock it by tightening the bolt over the slot. (4) power steering pump pulley (5) alternator pulley (6) tensioner and pulley 4. These are the air conditioning, power steering, alternator, and water pump. Rotate the pulley clockwise so that the tool is approximately 45degrees from the 12 o'clock position. The power that is transmitted by a belt during operation works on the rim of a pulley. General rule of thumb is if the pulley normally spins clockwise, turn anti clockwise. Step pulleys are used to adjust the speed of rotation of the final drive without having to take the pulley off and replace it with another. How to Tighten a Drive Belt - Method 3 Replacing the Tensioner Pulley Loosen the tension on the belt. Turn the tensioner pulley bolt CW to de-tension the main belt, and remove the belt. Work on the belt tensioner to tighten the assembly. Also make sure that you remember whether the flat side of the belt or the grooved side of the belt makes contact with each pulley. Visually inspect the belt for signs of fraying (loose threads extending from the edges) or slipping (interior side is shiny). Leave a pulley with no grooves (the back of the belt will be against this pulley) last for easy installation. When it is correct, tighten both bolts and refit the timing-belt cover and fan belt. Minivan Repairs: Replacing the Serpentine Belt Tensioner. List the specifi ed drive belt tension: b. Most lawn mower decks use heavy duty springs to provide tension on the belt. Install the new belt. Tensioner pulleys perform a number of important functions. As you loosen it, the tension in the belt is going to be releaved, so dont be surprised when it moves. What makes a V-belt pulley stand out from other types of pulleys, such as a round belt or flat pulley, are the V-shaped grooves of the pulley; these grooves guide the belt and allow it to gain traction. This is the perfect time to replace the valve cover gasket if you've been having leak problems. To properly tension a synchronous belt, place belt on pulleys and adjust takeup until the belt teeth mesh securely with the pulley grooves. For optimal operation, it is important that belt tension is maintained at the correct level. To install the serpentine belt, you must remove the pulley from the tensioner assembly bracket (hereafter called the tensioner pulley, as opposed to the fixed idler pulley). The situation worsens as the deck is raised to higher positions. The instructions say "to unlock the belt tension, turn the belt tension lock knob counterclockwise" then " pull the motor toward the front of the drill press to loosen the belt. Anything could help at this point 2002 Mal. It is held to a bracket by four M8 bolts with a 12mm bolt head. I can't find anything on how to loosen it on ask. Adjust the pulley alignment. Mower Deck Idler Tensioner Spring. Get 2 or 3 bolts tight on the caps—120-140 in lb. LOL Also at the time replaced the blower tensioner with one of Brett's manual adjust models at around the same time. Following these general guidelines and specific instructions from your owners manual or repair manual, your belt or chain will function for the life of your car. We need to remove the splash guard under the car for access. Belt Tracking Q P 8 2 35 adjust and align a conveyor belt crusher conveyor Adjusting the Conveyor Belt 30 Mar 2013 The PVG C 96 and the PVG C120 have conveyors that move the third to adjust the conveyor belt for proper alignment Chat Online. I can say that it seams to apply much more tension to the belt and the belt lines up better on the pully than the stock one. With that done, swapping out the alternator is just a matter of pulling a few bolts. How to use a spring balance. I did replace the tensioner with the arm and pulley that actually puts tension on the belt. Slip the belt off the crank pulley and let it hang. Next, using your 1/2" socket, 10mm Socket and Allen Wrenches, remove the bolts holding the lower belt cover on, and remove. Toro walk-behind mowers use a rubber drive belt to propel the wheels. Start with the crankshaft pulley and work counterclockwise, threading the belt first over the auxiliary shaft pulley, then over the camshaft pulley. When the tensioner is unloaded, loosen the belt from its lane. Install the new guide pulley and tighten the bolt to 25Nm. Belt coming off: Pulley misalignment, belt misalignment on pulley, defective tensioner, or bearing wear in tensioner, idler or driven accessories Belt noise can be hard to isolate, as the sound may seem to be coming from an accessory drive, such as the alternator or air conditioning compressor. You do not need to remove either the alternator, or the A/C compressor to replace the serpentine belt or belt tensioner pulley. Put socket or spanner on nut and turn hard. The serpentine belt and the timing belt or chain on an automobile engine may be guided by an idler pulley and/or a belt tensioner, which may be spring-loaded, hydraulic, or fixed. (4) power steering pump pulley (5) alternator pulley (6) tensioner and pulley 4. Another related question, when you put the belt, how do you check if the belt is properly placed on pulleys with correct v groves. Apparently the spring in one of my stock tensioners was weak. Bring the belt over the water pump pulley and last loop over the tensioner. Fasten mounting bracket to outside surface of bearing support plate using 2 wizz bolts and nuts through the upper slot as shown. How to adjust belt tension on troy bilt riding mower. The belt would normally be shredding an edge first in this scenario. Diagnose a belt tensioner Diagnose a belt tensioner. V Belt Tension Methods & Instructions Incorrect belt tension (as well as pulley misalignment) adversely affects belt drive reliability and efficiency. On the stick one the belt was right to the edge of the tensioner pulley. Route the belt over the center and right-side deck pulleys. use a 15 mm wrench on the tensioner pulley bolt. You just need to find that pulley and add more tension to the belt then tighten down the adjuster bolt to hold that pulley in place. Installation is the reverse of removal. · Installation of the drive belt is easier if an 18 mm ratchet and socket is used to raise idler sheave (L) and release belt spring tension. Belts and BELTS, PULLEYS, Cooling - OEM Land Rover Part # PQG000050. It is part of the engine, and is usually recommended to be changed with the timing belt because it can seize and make lots of noise as well as stretch the belt, or the spring can weaken and it will let the belt get too slack, and "slap". Should I just put a hex socket over the bolt that holds the pulley to the tensioner and pull it to the rigth until I can get the belt on?. Extended the belt towards the camshaft pulley onto one tooth. It is a good idea to change the belt and re-pack the bearing with grease in order to prevent failures and motor damage. Tighten one pump pulley screw back into place. Slide the belt off of the pulleys. There is a little tab on mine and it >says "Range". Turning the adjustment bolt moves the component either toward the engine in order to loosen belt tension, or away from the engine in order to tighten belt tension. 2007 Escalade 6. com or YouTube. Unlike the AC tensioner, you do not need to line up two holes and insert an Allen key for this one. Install the NEW belt by rotating the tensioner counterclockwise until the NEW belt can be installed on pulleys. Am I correct that the belt tensioner and the belt guide pulley are attached to the water pump housing? The belt tensioner is attached on the right-side (as you look facing the water pump) and the belt guide pulley is on the left-hand side. A 10 mm reverse torx socket. 7 Nm (24 in. Timing Belt VFAQ (Timing Belt TSB - ENHANCED) "Loosen the tensioner pulley center bolt, attach special tool no. Pull the slack from the back of the tractor (transaxle pulley) and slide the belt on to the stationary and clutch idlers. Put Pulley back on the teniosner and turn counter clockwise to tighten you may need to get under the car the get some room to tighten STEP 9 Replace Belt. Re-tighten the bolt. Rotate the tensioner pulley in a clockwise direction and tighten the center bolt (Figure 15). com or YouTube. 5 - 50 foot pounds (51-68 Newton Meters). This guide shows how doable this job is. The belt would normally be shredding an edge first in this scenario. Amazingly, it wears out (not the bearing, but the pulley) in 100 hours or so, such that the belt rides up on the pulley, causing it to rub on the flywheel. Make sure the belt is properly seated in each of the pulleys - the crankcase (engine), AC compressor, and tensioner. All looking good, i replaced the covers. When the tension is correct hold the generator firmly in that position and tighten the adjusting strap bolts. Move the generator towards the engine a little at a time while feeling the tension on the belt with your other hand. Chevrolet Silverado 1999-2006: How to Replace A/C Belt Tensioner. Part 2 of 3: Tightening the belt. It is a self-tensioning mechanism. Take-Up Pulley – A conveyor pulley used to remove slack and provide tension to a conveyor belt. Bend Pulley – A conveyor pulley used to redirect the belt and provide belt tension where bends occur in the conveyor system. It is a good idea to change the belt and re-pack the bearing with grease in order to prevent failures and motor damage. Install the tensioner. The front half of the alternator pulley (front is front) has some cut-out slots in it. TENTIONER PULLEY FIXED - Hold the tensioner pulley in place while adjusting the tension of the timing belt to specification. man was that a beast. Start printing!. Assemble the brackets to the backplate with M4x10 screws. Tighten tensioner locking bolt and pivot bolt to 250 in. Move the belt, and then slowly swing the tensioner back to its full rest position. There is no adjustments for the belt. Since, belt length remains the same, ie, the elongation. This is often best done with two people. In newer models it appears as though the plastic pulley has been replaced with a metal pulley instead. Remove the belt, for this I am also replacing the pulley as the bearing is slightly noisy too. Read newer posts towards bottom* Hi everyone, I had some friends help me do a timing belt and water pump replacement on my 1. Mine looked fine and I did not replace it. 2007 Escalade 6. Step 3 – Remove and replace the belt while the tension is off. Using a tape measure, measure the span length of the drive in. Make sure to not torque the pulley bolt until after you have the desired tension, torquing the pulley bolt and then adjusting will cause the adjustment bolt to break. Now, hold the tensioner loosely while threading the last roll. We highly recommend choosing OEM replacement belts, which are specifically designed for maximum life and performance. Then slip the belt off the tensioner pulley. Before adjusting the tensioner, take a moment to note the tension on the belt between the idler and crankshaft pulleys as shown in the figure at the end of the web page. Tighten it on the assembly before moving on. Porsche 928: How to Replace Timing Belt and Water Pump. As the belt stretches, the spring-loaded idler pulley applies more tension on the belt. You can remove a damaged pulley quite easily. Set the motor and pulley at the right position with a small prybar and tighten the bolts with the socket wrench when you have the pulley adjusted properly. What makes a V-belt pulley stand out from other types of pulleys, such as a round belt or flat pulley, are the V-shaped grooves of the pulley; these grooves guide the belt and allow it to gain traction. The tensioner pulley had obviously collapsed internally, causing the belt to run half way off the plastic pulley. 8 8v 84 Rabbit GTI and we ran into a bunch of trouble with it trying to diagnose noise after reassembly. Release tensioner and remove breaker bar. ) torque to pulley (with beam type torque wrench) as shown in Figure 19. Double check by pulling the belt down. Move the belt guide to its original position and tighten the mounting nut on the belt guide. from the upper (engine) pulley to the lower (trans­ mission) pulley in order to drive the wheels and tines forward. Proper pulley adjustment will help increase the life. Remove the belt, for this I am also replacing the pulley as the bearing is slightly noisy too. 8L, turn the nut of the belt tension pulley to loosen it. Turn the adjustment bolt. Check to make sure the belt tension spring (H) is installed properly between the idler arm weldment (F) and stud (I). The belt will loosen. Loosen or Tighten Serpentine Belt Tension. The second kit STC4096K was less comprehensive, comprising a new belt, later type tensioner, idler, lower pulley, bolts and studs. My issue was a constant grinding/whiring noise, not a chirp--but a loose tensioner will cause the serpentine belt to squeal and chirp. Factors that affect belt friction include belt tension, contact angle, and the materials used to make the belt and pulleys. Your engine transfers power from the crankshaft to these accessories through the drive belts. This video will show you how to remove the serpentine belt tensioner in a Saturn S-Series car. High belt tension will contribute to premature bearing wear. Adjust the belt, then tighten the tension pulley by turning the nut. Adjust the belt, then tighten the tension pulley by turning the nut. This is the bolt the loosens the belt tension so that you can remove it.