Replacing the tensioner takes only a few minutes. Tension timing belt: Loosen tensioner nut approx. Optional steps. Gently slide the timing belt off. 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. Early automobiles used adjustable engine accessories to tighten the fan belt, and a belt tension pulley was not required in the belt system. The tensioner belt on a Toyota RAV4 is located in the centre of the engine and is used to keep the serpentine belt tight. Timing belt tensioner tool pre-tension the belt by rotating the tensioner pulley around its eccentric mounting bolt and then holding it in position. Remove upper and lower timing belt covers. Product Description: Special low-profile, pin wrench used to adjust the timing belt tensioner on a variety of late model Audi and VW engines. Replace the damper (077109246B, Timing Belt Damper) and tensioner pulley (077109243A, Tensioner pulley). Remember, these pulleys adjust upward, not downward. These are 8 mm as well. MD998752 (part # changed to MD998767, contact Miller Tool for this tool - 800-801-5420) and apply 2. Next you can install the tensioner ('94 to '95 models only). To remove the timing belt, loosen the nut holding the tensioner pulley in place. It's like the first time for some other things, both scary and exciting at the same time. Step-by-step instructions on how to change serpentine belt, tensioner and idler pulley as well as all supplies needed. The V6 tensioner can lose tension and become very noisy, if this is the case, replace the belt and tensioner. As the original owner I recently installed a Dayco timing belt water pump kit WP303K1A at its first recommended interval. I have located the tensioner, and I loosened the bolt holding on the pulley, but nothing happened with the belt tension. ) Also remove the water pump pulley, you'll need to do this to clear the lower belt cover. Tensioning the belt 3) Remove the black plug in the lower timing belt cover to gain access to the tensioner bolt. Diagnose a belt tensioner Diagnose a belt tensioner. You will find instructions on your problem in the answer. Optional:. I didn't remove the tensioner pulley. NOTE: No looseness should exist on the tension side and at the camshaft pulleys. Worst case scenario, they may have left the tensioner and loose intentionally. Use your wrench to move the pulley of the crankshaft and turn the engine. Early automobiles used adjustable engine accessories to tighten the fan belt, and a belt tension pulley was not required in the belt system. After putting the belt on the tensioner pulley, release the tensioner pulley slowly. Remove and replace both idler pulleys (077109244A, Idler pulley, 2 places). You will need a breaker bar or impact wrench because it's torqued on at. I've read the writeups, read the service manual and searched countless posts on this forum. Tighten 7 Nm + 90° (use a new bolt). Tighten the timing belt tensioner pulley. Tensioning the belt 3) Remove the black plug in the lower timing belt cover to gain access to the tensioner bolt. Use 5mm allen wrench tool on tensioner and rotate clockwise, and remove timing belt. Install the engine mount bracket to the front of engine. Rebuild the Timing Belt Tensioner - $20 (Version 20081027) (and good for all Gold Wings GL1000, GL1100, GL1200, GL1500) Information developed on or about March 1, 2008 by sandiegobrass (james. I don't understand what the deal is. Best Answer: If it's a Serpentine belt it might have to be replaced, only because one belt drives all the pulleys involved with the engine. Ensure that the seal is between the water pump and the oil pump case. If necessary, replace them. E30 Timing Belt Replacement How-To Credit. Turn crankshaft 2 revolutions in direction of rotation and check that timing marks are still in alignment. To check cam belt tension, select the correct. Slide the belt off of the pulleys. Disconnect one end of the tensioner spring. The layout is relatively standard, having an idler pulley, and a tensioner maintaining the belt in place,…. I removed the drive belt by turning the left hand thread tensioner pulley clockwise. I re-tightened the pulley bolt, but I can't figure out how to adjust the tension. Install the timing belt upper cover(1) and tighten the bolts to 4YYYY (35. Here's how to inspect and replace it. The belt tensioner broke on the 2004 Nissan Murano, causing it to cut the coolant hose to the oil cooler. Temporarily tighten tensioner pulley center bolt. If, however, you have an ealier model, you will have up to 3 manual tensioners. Replace timing belt tensioner if distance is not. This is the tricky part: While keeping the cam gears at TDC, wrap the timing belt around the front gear and then the rear, use a zip tie to help you hold it in the correct position on the first cam gear while you work the belt over the water pump and tensioner pulley! I had to pull the tensioner pulley off of its pivot point in order to get the. They tend to start showing strange grooves on the tensioner. For optimal operation, it is important that belt tension is maintained at the correct level. I then turned the crankshaft 5 degrees counterclockwise. The belt tensioner, coolant hose to oil cooler, and belt had to be replaced. 1990-1992 Models 1993 Models Figure 8; Push the timing belt "B" tensioner up to place pressure on the timing belt so that the tension side is taut. Timing tensioner problems of the 2011. TENTIONER PULLEY FIXED - Hold the tensioner pulley in place while adjusting the tension of the timing belt to specification. Make sure timing belt is correctly installed and sprocket marks line up with marks on engine. Remove/Replace Accessory Belt & Tensioner Pulley , HARMONIC BALANCER or VIBRATION DAMPENER / CRANKSHAFT PULLEY on GM 3. Slacken tensioner pulley nut to release tension on belt . Then tensioner pulley was not replaced at the time the iming belt was replaced because it had been replaced by another mechanic when the timing belt was replaced with the water pumb 30k mile prior. The serpentine belt is vital to your engine working right. Now wind the timing belt around the tensioner pulley, the water pump pulley and finally over the back side of your camshaft sprocket, while keeping the sprocket aligned. Best Answer: If it's a Serpentine belt it might have to be replaced, only because one belt drives all the pulleys involved with the engine. HINT: Arrange the intake and exhaust timing pulleys. Also, the belt should be adapted to the crown of sprocket. Align timing belt tensioner assembly to engine and install lower mounting bolt but do not tighten (Fig. Insert the T50 Torx driver in the hole (green arrow) on the inner tensioner and turn it counter-clockwise to relieve the tension on the belt. No more squealing belt. • Install the cylinder head cover. Used to apply the correct amount of tension (Foot/Inches varies depending on engine) while using a torque wrench to the tensioner pulley, so as to keep the timing belt tensioned properly. Park the RAV4 on a flat and level surface. 7L-V6 v-ribbed Grand 06-14 For belt Suzuki Suzuki belt For New v-ribbed Grand 2. The tensioner pulleys are also important in preventing any slips of the belt. I pryed the idler pulley back down to wind up the spring and though I was all set. They do go bad - usually making noise. Tighten tensioner pulley bolt . If there is anything we will do to suit your needs, we shall be additional than pleased to do so. REMOVE CRANKSHAFT PULLEY (a) Using SST, remove the pulley bolt. It is also possible for the tensioner pulley or bearing to wear out, in which case the vehicle will produce a grinding noise from the pulley. Note: Do not allow either the camshaft or crankshaft to move while the belt is off. Use your Allen wrench to relieve tension on the belt. net) It is for use by the Gold Wing community and may be copied or distributed. We're sure this How to Replace a Serpentine Belt article will help you get your car back on track!. Tighten camshaft sprocket bolts . Loose timing belt tensioning acts like a loosely-held piece of string, with a snapping action as in a high torque situation the string or timing belt will break. Step 3: a) Remove the timing belt. Install the belt using your marks or the alignment pin. Remember, these pulleys adjust upward, not downward. Bobcat drive belt tensioner failure Posted: 10/29/2006 06:29 PM: I got a eye opener this evening the belt on my 773 began to slip so I went to tighten the main hyd pump drive belt. Make sure that all timing marks are properly align, then loosen the timing belt tensioner and remove the timing belt. Then remove the timing belt from the camshaft pulleys. Rebuild the Timing Belt Tensioner - $20 (Version 20081027) (and good for all Gold Wings GL1000, GL1100, GL1200, GL1500) Information developed on or about March 1, 2008 by sandiegobrass (james. Posted on Nov 09, 2009. Two methods: Method 1: Go to your local auto parts store and buy a mechanic's stethoscope. As for the tensioner of the timing belt this must be changed every time it would be silly not to. Tighten the tensioner bolt just enough to hold the tensioner out of the way. Then you can proceed with replacing it entirely with a new one. Adjust Belt Tension; Learn More About Belt Tension Adjusting the Belt Tension for Optimal Performance. exhaust camshaft pulley water pump belt tensioner. Measure belt span "T". Remove the 8mm Hex bolt and fan from the engine compartment. Check that you can move the extruder back and forth. Squeaky belts and pulleys are the bane of any person who has to deal with them. the only belt with a tensioner is the timing belt, to tighten the alt belt loosen the adjustment bolt then tap the alt back then retighten the bolt Related Questions Asked in Cars & Vehicles , Geo. If it's separate belts, it should be cheap and any one (maybe a friend) could do it in a manner of minutes for nothing because the repair is so minor. Place one hand on the belt. Automatic tensioners tend to wear out at around 100K miles. You will need a breaker bar or impact wrench because it's torqued on at. A worn automatic serpentine belt tensioner can cause belt squeal, misalignment and belt chirp, and alterantor bearing damage. Optional steps. Putting the Tbelt on would be immensely easier if you were to take off the crank pulley as instructed by VADIS, but I couldn't figure out how to keep the crank from rotating while removing the pulley so my fear of messing something up led me to follow the instructions on Volvospeed (Bay 13) which provides instructions for doing it without pulley removal. 1 Liter Engine 3. The very highest quality (MADE IN THE USA) cam bearing/timing belt tensioner/idler pulley tool. Diagnose a belt tensioner Diagnose a belt tensioner. Tighten the tensioner bolt to 28-38 Ft/Lbs or 38-51 Newton/Meters. How to adjust 2011 buick regal clx tensioner of belt 2011 buick regal clx in the engine, the serpentine belt which 2011 buick regal clx, there is belt. We tried pulling up engine diagrams of my '95, But no luck (that would have been too easy). Belt Tensioner Pulley for Chevy Prizm Pontiac Toyota Corolla Celica 16620-0W093 Belt Tensioner Pulley $29. Rotate the coolant pump clockwise until the adjust arm pointer of the timing belt automatic tensioner is aligned to the notch in the timing belt automatic tensioner bracket. Relax the timing belt's tensioner. VW Transporter T3 Timing belt change A 1986 Volkswagen Transporter (aka Vanagon) T3 1. All belt slack should be in the blue area, on the tensioner side. If there's slack, tighten the tensioner. • Align the matchmark by pulling the timing belt up on the water pump pulley side while turning the crankshaft pulley counterclockwise. Insert the new tensioner into place, and fasten the bolts to the torque required for. Whatever type of Engine Timing Belt Tensioner you are looking for find it at discounts. ) (See Figure B below, and Figure C, page 7. With the belt in place, tighten the idler pulley bolt to 38 ft. The serpentine belt did not have a tensioner (spring loaded) pulley , the belt tightness was adjusted by pivoting the alternator mount. If not, the timing belt must be removed and properly timed. Note: Do not allow either the camshaft or crankshaft to move while the belt is off. If you are sure you need to retension the belt, at the least take the timing covers off and measure the gap on the tensioner rod. 75 pulley and belt # k080580. Adjusting Mower Timing Belt Tension (Freedom42) 1. 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. If, however, you have an ealier model, you will have up to 3 manual tensioners. First of all, the tensioner pulley is used to maintain the proper levels of tension to the serpentine belt. Tension the belt, tighten the tensioner. Inspect timing belt tensioner for signs. The directions say to loosen locknut on front and nut on back and large mounting nut on front and tighten brass nut down to tension belt. Also leave the small tension idler pulley off as this will make installation of the timing belt easier. This will release some tension from the belt. Fit the belt,let go of the spring tensioner,move the other pulley with a key to tighten the belt more and. Measure timing belt tensioner rod protrusion from end of rod to edge of timing belt tensioner housing. Find some way of applying pressure on the PAS pump to tension it while you tighten the three 13mm bolts. I then turned the crankshaft 5 degrees counterclockwise. It is also possible for the tensioner pulley or bearing to wear out, in which case the vehicle will produce a grinding noise from the pulley. Refit the new pulleys in the timing belt kit (note 2 diff pulleys) Fit the new cambelt, fit the new tensioner making sure the peg locates into the groove on the cylinder head, tension the belt Fit the bottom pulley, and put the aux belt on at the same time Make sure you tighten the bottom pulley up tight and free from oil. Ensure timing marks of camshaft sprocket and cylinder head cover are matching. Finally, if someone has a diagram on how to route the belt that would be great because it looks like I did it correctly but it is no where near making it around the tensioner the way I'm looking at it. We are a timing belt tensioner manufacturer specialized in timing belt pulley assembly. Place one hand on the belt. net) It is for use by the Gold Wing community and may be copied or distributed. Then tighten the timing belt tensioner pulley to 33 ft-lbs. Rotate the engine clockwise a few times and make sure that all of the timing marks line up correctly. But how to exactly match the pitch circle of pulley to get multiple of 9. Relieve the tension on the timing belt tensioner pulley. This how-to is a Classic Bimmer Bits original, with much credit due to the many members of the community who have helped us learn along the way! Parts.  The chain tension of a chainsaw may be adjusted with a chain tensioner. Next loosen the three cam pulley bolts. 7L-V6 Pulley 06-14 Brand Tensioner Vitara. As the original owner I recently installed a Dayco timing belt water pump kit WP303K1A at its first recommended interval. Pretty standard stuff - remember to make timing reference marks, count your teeth between the timing marks, and don't rotate the crank or camshaft during this procedure (Have to remove intermediate shaft gear to get water pump off/on. My question is why compress the tensioner to install the new belt?. How to Tell if a Timing Belt Tensioner Is Bad. Improperly tensioned belts cause slippage, squealing, heat build-up and premature failure. After a new belt has been installed, run the engine for 3 to 5 minutes to seat the belt. The tensioner pulley is on a hinge. Timing cover. • Mark the bolt head and the pulley as shown, then tighten the bolt an additional 60°. Then tensioner pulley was not replaced at the time the iming belt was replaced because it had been replaced by another mechanic when the timing belt was replaced with the water pumb 30k mile prior. This can be done with Special Tool 9207. At this moment, now look down at the crank pulley to see whether it too is positioned perfectly at TDC1. Install the timing belt onto the pulleys, as follows, crankshaft pulley first, then the idler pulley, exhaust camshaft pulley, intake camshaft pulley, and the tensioner pulley. Work the air pump back and forth while pushing down and work it out of the bracket. b) Check tensioner, smooth back idler pulleys and belt pulleys for wear or damage. After turning the tensioner, tighten the 13 mm nut to lock the tensioner in the loosened position. timing belt. So I took the tensioner off and was able to push the piston back in with my finger. Loosen timing belt tensioner bolts. This article applies to the 4th generation Toyota Camry (1997-2001). While putting the thing back together, specifically bolting on the timing belt tensioner, I didn't even torque it, and it has appeared to strip. Loosen the tensioner lower bolt at the base of the long stud. The snakelike timing belt on the side of the engine is essential for maintaining your car's performance. Tighten the coolant pump retaining bolts. Use a flat head screwdriver to gently pull up on the bracket, and tighten the 14mm bolt that runs through the tensioner to finalize the timing belt tension. • Turn crankshaft 720° to compression TDC on cylinder 1. So far, it took one day to change the timing belt. Various typs of toothed belts and toothed belt pulleys are available from norelem: The version T (T5 & T10) is the standard version. where T bs is the Belt tension while starting the system (N), T bs can be measured using belt tension measuring instrument (Trumeter), and K s is the start-up factor. To check cam belt tension, select the correct. Park machine safely. He tells me that they have to take off the alternator in order to remove the tensioner due to the way to tensioner pulley bracket is installed. INSPECTION At this point, you have access to the water pump pulley and idler rollers and visual access to the seals for the shafts. Rotate the tensioner with a wrench to test its movement. How To Remove the serpentine belt tensioner in a Saturn car. 2 8v engines in both the MK1 punto and the MK2. The tensioner pulleys are also important in preventing any slips of the belt. Remove the serpentine belt tensioner (2 bolts, 12mm I think). It's also a good idea to replace water pump, idler pulley, and tensioner pulley while you have everything off. Put something in the pulley hole and use the pipe wrench to take the tension off of the belt. To do this, you'll need to loosen the bolts that hold it in place. Loosen the upper bolt that holds the tensioner. To properly tension a synchronous belt, place belt on pulleys and adjust takeup until the belt teeth mesh securely with the pulley grooves. Loosen and retighten the adjusting nut to tension the timing belt. Adjust Belt Tension; Learn More About Belt Tension Adjusting the Belt Tension for Optimal Performance. Now loosen the belt tensioner bolt ( 14mm ) and allow the tensioner to set the tension automatically by setting your timing belt tensioner spring in place. Remove power steering pump pulley, idler pulley, tensioner pulley and crankshaft pulley. They do go bad - usually making noise. The engine is usually a twin overhead cam style and design that has a single timing belt on the front. It is advisable to replace the tensioner pulleys > (with bearings) periodically. belt tension arm clockwise about 14 degrees to relieve belt tension. Loosen the tensioner pulley bolt. There's a small tab on the adjustment cap on the tensioner roller. story and photos by "joandjo," as edited by Kelsey Wright. By using the tensioner pulley tool, or a larger ratchet, you can easily rotate the pulley taking the tension off the belt and remove the belt fast and easy. When you have done this tension the belt correctly on the tensioner by rotating the outer eccentric cam on the fixing bolt to get the pointer on the tensioner to about mid position on the pointer marker, tighten the tensioner bolt and apply clockwise then anticlockwise rotational tension to the camshaft pulley and check the range of tension. The V6 tensioner can lose tension and become very noisy, if this is the case, replace the belt and tensioner. 1 L Buick Chevy , How to replace the serpentine belt on a GM 2. Remove the timing belt guide. Removing the timing belt tensioner. Remove the timing cover. In the engine, the serpentine belt which activates and connects to every pulley is the most popular used recently. The marking aids on the timing belt must correspond to the TDC markings on the camshaft gears and the rear timing belt guard (Fig 15 and 16). I have a 2002 wrx with misfires on all four cylinders and I think to I have narrowed down the problem to timing. Lightly tighten nut . If the belt breaks before 60,000 kilometers, however, then something is definitely wrong with your timing belt tensioner. Large Image | Extra-Large Image. Using the Mitsubishi tensioner tool and the 1/4" drive, mate the pins in the tool to the holes in the tensioner pulley and torque it against the timing belt to 7. catastrophic failure of the engine, all the valves are bent, pistons are all scored, the pulley that failed exploded in the case destroying the timing belt, tensioner and all associated bits, timing belt didn't snap but during the failure but the timing changed and this caused the pistons to hit the valves. Turn crankshaft 2 revolutions in direction of rotation and check that timing marks are still in alignment. Posted on Nov 09, 2009. Install the belt using your marks or the alignment pin. I removed the drive belt by turning the left hand thread tensioner pulley clockwise. Then with the timing pins and belt gauge removed, rotate the engine two full. 5L Isuzu Trooper that has just had its second DAYCO timing belt tensioner failure in 500 miles. Timing belt tensioner tool pre-tension the belt by rotating the tensioner pulley around its eccentric mounting bolt and then holding it in position. How To Remove the serpentine belt tensioner in a Saturn car. Attach tension gauge to belt at . Loosen the timing belt tensioner bolt and stud, then, using your finger, press the tensioner plate up and remove the timing belt from the crankshaft and camshaft sprockets. Turn the crankshaft 2 1/6 turns clockwise Verify the timing marks are still correctly aligned. If the timing belt is reused, make an arrow indicating the turning direction to make sure that the belt is reinstalled in the same direction as before. Another tensioner pulley uses a square-faced bolt for adjustment, and a third uses a large tab that can be set to a certain position for proper belt tightness. Even when the tension is unadjusted, meaning the tensioner is loose, the belt will fit over its pulley's rather tightly. As for the tensioner of the timing belt this must be changed every time it would be silly not to. Swapping out those noisy pulleys and belts its actually a pretty simple task that doesn't require any special tools or skill. Remove the belt and place it where it wont get damaged. Basically no slippage between the belt and the pulley will be appearing. Also known as cam belt or timing chain, the timing belt runs throughout your engine, ensuring that the valves work in timed coordination with each other. Remove the timing belts cover, if necessary, by taking off the mounting bolts. • After aligning the matchmark, hold the timing belt. Move lift lever to mowing position and move to left side of mower. Tighten the bolt to 64 N·m (47 lb-ft). The serpentine belt is looking up at me, in no way on any of its pulleys and tensioners, as if to say, "Who, me?" Farther down, the tensioner (B) is off its little mountings. Optional steps. Alright we are almost at the timing belt: all that is in our way is the the upper radiator intake nipple, upper timing belt cover, fan heat sink and the fan bracket assembly, the crank shaft pulleys, and finally lower timing belt cover. Read newer posts towards bottom* Hi everyone, I had some friends help me do a timing belt and water pump replacement on my 1. What is the best way to do this now? Should I put the timing belt on and just rotate the crank pulley until the timing marks on the camshaft sprocket line up?. Got the right timing marks (discussed earlier) reset the belt and nothing still no spark. My doubt is how can I design the timing belt that perfectly match with pulley teeth. Using the camshaft sprocket holder, apply a slight clockwise force as your loosen the camshaft sprocket bolt. Two methods: Method 1: Go to your local auto parts store and buy a mechanic's stethoscope. 18) Remove the 22mm crankshaft pulley bolt. You'll prevent the pulley from being able to rotate. If you find the bearings to have been worn out and find cracks in the pulley, replace it. To determine the K factor, different informations are required, namely (i) belt wrap at drive, (ii) bare steel pulley or lagged pulley, and (iii) screw take-up or gravity take-up. I am having some problems getting the timing belt to adjust and work properly and ''fitted''. This will enable you a little more room, and allow you to get to a "hidden" bolt for the timing belt cover. Rotate the drive belt tensioner arm (A) counterclockwise moving the tensioner pulley bolt with wrench. It also helps protect other components such as the alternator and water pump from undue stress and premature failure. Diesel Jeep Liberty KJ Timing Belt Replacement Guide: This is a "how-to" timing belt replacement guide intended to be used by various skill level owners/mechanics. Locate the belt tensioner as indicated by the belt routing diagram or owner's manual. Once you do that, you can tighten the new one back in place and put the timing belt back in place. Once it is aligned with the pulley on the y motor, tighten the screw. A timing belt idler pulley may help provide additional track routing for the belt. Complete 2 or 3 complete revolutions of the engine. The years of experience accumulated by SKF in the design and supply of belt tensioner pulleys to the world's automotive manufacturers provides assurance of high quality and performance of each belt tensioner unit included in. My question is why compress the tensioner to install the new belt?. Over time, due to age and heat, the belt will stretch out. TENTIONER PULLEY FIXED - Hold the tensioner pulley in place while adjusting the tension of the timing belt to specification. No more squealing belt. Shop at 1A Auto for Idler Pulley and Belt Tensioner Pulley replacements. As the serpentine belts easily incorporate the automatic tensioner of belt, they do not […]. While putting the thing back together, specifically bolting on the timing belt tensioner, I didn't even torque it, and it has appeared to strip. Stripped Timing Belt Tensioner Bolt?? Okay, so I was inspecting my oil leak that has been getting worse lately, and it definitely looks to be the front main seal (crankshaft oil seal). Because the VG30DE(TT) is an interference engine, maintaining the timing belt system is essential. Install the plastic hose clips. Tighten the timing belt tensioner pulley. They're pretty much like a regular doctor's stethoscope except instead of the bell-shaped amplifier at the end, it has a long metal rod. Install the drive (serpentine) belt tensioner and the actual belt. (Note: After you turn the engine over, it takes a few thousand revolutions until the marks on belt and pulleys line up again, do not worry if you are absolutely sure of the timing. Often times, simply tightening your take-up adjustment until the belt does not slip on the drive pulley under a full load is sufficient for tensioning a new belt. Refit the new pulleys in the timing belt kit (note 2 diff pulleys) Fit the new cambelt, fit the new tensioner making sure the peg locates into the groove on the cylinder head, tension the belt Fit the bottom pulley, and put the aux belt on at the same time Make sure you tighten the bottom pulley up tight and free from oil. tension side cam side slack side note that I am using a fair amount of force to test. Online calculator developed by Pfeifer Industries with ease of use for the end-user in mind. Timing Belt After insuring the alignment of the belt timing marks at TDC, rotate the crankshaft 1 5/6th turns to the tension setting mark. I normally try to replace tensioners every few belt changes on the alternator belt as they go bad over time especially if a worn belt is left on the tensioner for too long. alternator and starter between the left timing-belt cover and the center timing-belt cover, has a smaller split to the connector by the left headlight, and runs back under the right timing-belt cover and up and forward to the jump point. Tightening torque: 20 Nm. If replacing with a new idler pulley, tighten to 24 Nm spin the tension pulley and listen for noise. To determine the K factor, different informations are required, namely (i) belt wrap at drive, (ii) bare steel pulley or lagged pulley, and (iii) screw take-up or gravity take-up. Relieve the tension on the timing belt tensioner pulley. ) Adjust the belt tension according to the shop manual. Then tensioner pulley was not replaced at the time the iming belt was replaced because it had been replaced by another mechanic when the timing belt was replaced with the water pumb 30k mile prior. We're sure this How to Replace a Serpentine Belt article will help you get your car back on track!. But how to exactly match the pitch circle of pulley to get multiple of 9. Remove/Replace Accessory Belt & Tensioner Pulley , HARMONIC BALANCER or VIBRATION DAMPENER / CRANKSHAFT PULLEY on GM 3. Ask a Mechanic Online. Measure the spring from end to end. After all this i tryed once again to release the tension (not from me the tensioner) but it turns like i said on its own axis. Loosen and remove the 13mm pivot bolt on the air pump as shown. Checking Your Work… Install the tensioner, making sure the adjustment pin seats in the receptacle on the water pump and the pin is through the tensioner bracket. In timing belt drives the pulley pitch diameter, d, is larger than the pulley Timing Belt Theory Introduction Geometric Relationships Figure 1a. Conveyor Belt Tensioning 101 Properly tensioning a conveyor belt is a critical step in tracking conveyor belts. Twist the pulley and stick the nail in the hole to keep it in place, with no tension on the belt. When replacing, screw the tension pulley into place using the center screw. The tensioner pulleys are also important in preventing any slips of the belt. Ensure idler pulleys and tensioner pulley rotate freely. Make sure that the stopper of base is leaning against the lowering sealing cap on the cylinder head. 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. Loosen the 12mm front bolt of the timing belt tensioner. Temporarily tighten tensioner pulley center bolt. NOTE: A 3⁄8 inch drive, 10mm, 2 inch torque adapter offset is required to tighten the tensioner bolt. Just loosen the 2 bolts holding the tensioner, pry the tensioner back to release the belt, remove the belt WITHOUT TURNING ANY OF THE PULLEYS. Run the new drive belt through all of the necessary. Release the tensioner and re-tighten it the adjustment bolt with the tensioner wheel against the belt from the spring tension. 2004 and some early 2005 Mazda 3 were equipped with a plastic pulley on the serpentine belt tensioner. Used a timing gun to verify good timing. I put on the new timing belt tensioner and pulled the pin, expecting the tensioner pulley to really tighten the belt, but not much happened. 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. Rotate the crankshaft pulley six turns clockwise so the timing belt positions. The serpentine belt is vital to your engine working right.