All belts on the car are brand new, but I did check anyway and it is new, however what should the tension be. First loosen the axle nut then use the two adjustment nuts on the end of the swing arm to adjust the angle of the wheel assembly until the belt runs in the middle of the pulley. When sliding on the new belt, keep the slack near the tension pulley—all other belt running should be tight. Line up these marks. Though the mechanism itself is rudimentary, its function is so critical that you may need the help of a professional before you decide to adjust a timing belt. HI Guys, I have a 96 97 b18c -r in my Del Sol and I'm always nervous about the timing belt tension being too loose, or too tight. Timing belt replacement instructions on a 1997 Volvo 960. Incidentally, the mechanic charged us $400 to install a new timing belt but removed it and kept it for himself when the new buyer showed up to take the car. Remove the right bearing to the exterior to make the head roller advance in a position that will tighten the belt. Step 4: Remove the timing belt cover mounting bolts. My 87 924s had the timing belt replaced about 15-17K miles ago before I got the car. 00 to change the timing belt and water pump. 3 barina combo van. Your timing belt is 9 years old and is at 105K miles, right at the mileage recommendation to change out also. Belt Tensioning Instructions Timing Belt HTB, Standard and Metric timing belts should be installed to fit pulleys snugly, neither too tight nor too loose. I have just changed my head gasket and now find the timing belt will not go back on properly. That also depends on the type of car as well. Water Pump bolts 31Nm. If the timing belt is insufficiently tense, there is a danger that it will ping off. hope this helps but the tension weight is just a guide so ask a toyota garage for the exact weight. 7L Diesel (LPL, LPV, LUB) > Repair Instructions - On Vehicle > Timing Belt Replacement. 5L SOHC or DOHC motors there are a few common things to look for and I have some tips to help you get through the job even if you don't have the factory tools. Fit new timing belt ensuring tensioner pulley goes to smooth side of belt adjust tensioner till belt is sufficiently tight, refit plastic covers and rebuild in reverse order, if you have not removed or altered distributor adjustment, then timing should be right and engine should start Regards Titus. Hi all, have a Craftsman LT1000 (917. Once the part is modified, it is easy to replace the Yaris bracket with the new one, tighten it up, and BAM! Belt tensioner for the Yaris. Install the engine mount bracket to the front of engine. How to Check the Timing Belt By Brent Dunn The timing belt on a car is an essential part of the engine that keeps the camshafts spinning in sequence with the crankshaft. When something goes wrong, it is often the tensioner that is the cause and not the timing belt itself. The timing belt/water pump/thermostat replacement is one of those jobs which can be pretty tough if you don't know what's going on. It should run on the middle of the pulley. I removed the middle timing belt cover, and put the pulley back on to rotate the engine to line up timing marks. Another characteristic of gear drives is noise — lots of noise, even with some so-called "quiet" gear sets. unofficialbmw. All Gates timing belts are manufactured under tight quality controls. If you find cracks or oil on the belt, get it replaced. While waiting can clean egr and sort out tools needed for timing, plus any other jobs I or you can think worth doing. You should go with what the owner's manual says if you want to keep your car for a long time. This part of the engine ensures that the valves operate in the correct timing system. It has inner springs inside. Have the right parts. I'm planning a timing belt service on my recent purchase of a '13 SE with 160,000 miles on it. This arrangement provides years of trouble free service and precise valve timing. WARNING; Changing Goldwing timing belts is NOT a job for beginners to take on. Metal timing chains, however, can jump and does have some warning. What to Look For in a Faulty Timing Belt You should occasionally inspect the timing belt in your vehicle to make sure that it's in good condition. A timing belt is also referred to as a cam belt. I popped off the upper cover and pushed down on the belt near the idler pulley and it moves 1/8 to 1/4 of an inch pretty easily. I have read a lot of information on the issues with the 928 timing belt maintenance. I do not recall the timing belt being as SHORT as 60k - a garage might have told you that. Old one was tight and smooth. Note that your new belt will have lines that correspond to the timing marks. thank u, well my drive belt is fairly loose and my generator belt is very tight is that ok That is normal Nitro. Mechanic Set My Timing Belt Tension to Tight! was created by erikslow01 A few months back over spring brake I decided to change my timing belt, water pump, engine seals, etc I really did not have all the right sockets and wrenches to do the job and it ended up taking me 2 days to get the timing belt back on. 4L V6 Timing Belt Replacement. It should only move about a quarter inch, so pretty tight, but not tight like it's gonna snap. Most people do not tighten the belt to its proper tension. Most tensioners feature an internal spring and pulley, which applies needed force against the serpentine belt to keep it tight. This is because the alternator puts quite a load on the belt when it is charging the battery. hope this helps but the tension weight is just a guide so ask a toyota garage for the exact weight. DuraBelt belt tension calculator. The timing belt/water pump/thermostat replacement is one of those jobs which can be pretty tough if you don't know what's going on. When a belt is installed with a snug but not overly tight fit, longer belt life, less bearing wear and more quiet. If the timing belt breaks, my understanding is that the engine is toast. 5L SOHC or DOHC motors there are a few common things to look for and I have some tips to help you get through the job even if you don't have the factory tools. Usually made of synthetic rubber, with a toothed inner surface, the timing belt is subject to wear and tear and should be replaced at regular intervals to prevent snapping – something that would be disastrous for any engine. The 1987 and later cars have a built in tensioner for the timing belt. Attention This site does NOT use any profiling cookie. I am about to do a timing belt for a family member on an 06 Santa Fe 3. But the rad is the first thing you take off no matter what, so it's not going to save you that much time down the road IF your rad goes bad later. Other Information. A serpentine belt controls all of the accessories as well as the cooling fan and alternator on your vehicle. Rotate the spindle clockwise and make sure belt does not contact belt guides. To access it, it is required to remove the timing chain cover, which also acts as an engine mount, mounting the engine to the frame of the car. Lexus Timing Belt and Water Pump Replacement. Done a search on the forum so I need to do a reset which is fine. Timing belt rigidity won't be able to smash that bolt, it is BS. 6 16V engine properly, and although there's a notch on the crankshaft pulley (once you get the aux belt pulley off), unless anyone knows any better, timing marks to line it up to are non-existant!. I have read a lot of information on the issues with the 928 timing belt maintenance. So the best I can figure, you can measure the tension by how far the belt will "push in" in the middle. They may also convey a load placed on the belt surface. In a nutshell, the timing belt replacement has a domino effect of getting some other things replaced at the same time since the timing belt is buried in there and the other parts have to come off regardless. My buddy just did his 1G timing belt he also made it very tight it whines too. You also should consider replacing the water pump at the same time because if it goes bad, you'll have to do the job all over again. The timing belt is then placed around the tensioning pulley as a final step. The tension of the toothed belt that drives an overhead camshaft must be checked at the intervals set by the servicing routine laid down in the car handbook. A car's timing belt can start to melt and snap if it is fitted too tight. the dealer should be able to get you the right one. hope this helps but the tension weight is just a guide so ask a toyota garage for the exact weight. Try to keep the belt as tight as you can between the crank and injection pump, most if not all of the slack should be on the tensioner side. With the new timing belt installed, the tensioner pulley bolt should be hand tight. a quick note, if you go past the timing marks, do not turn the crank backward (counter clockwise) to line the timing marks up again as it moves the slack to the idler pulley side of the belt not the tensioner side (tensioner side is where you check belt tension) and can make you think the belt is tight when in actual fact, the slack will be. How to Guide_Changing the Timing Belt on a RB25DET - Free download as PDF File (. Belt tension that is too loose or too tight leads to inefficient power transmission, belt wear, belt failure and possible premature motor failure. So grab your jackstands and you torque wrench, as we go over our How To Change a 4G63 Timing Belt Guide. How easy / difficult is it to change and adjust the timing belt on a 2006 Merc 60 hp EFI 4 stroke? I have the factory service manual on order but real world advice is always appreciated plus any tips and tricks. I would the remove the belt and start the car for a quick few seconds to verify the noise is gone if it's gone shut the engine off and rotate all the pulleys by hand to make sure everything is tight and running smoothly. When they replaced your timing belt the tech probably overtightened the bolt with his impact gun. With proper maintenance, it is unlikely that you will experience problems with your timing belts or timing chains. If the timing belt breaks, my understanding is that the engine is toast. "Next time I'm doing the job myself". Solution: If tensioner arm misalignment is apparent, the pivot bushing has worn down and the tensioner should be replaced. Should be fine. Done a search on the forum so I need to do a reset which is fine. Camshaft. However, with my anticipated T4R V6 purchase, can I assume the maintenance regimen should be the pretty much the same with the V6 chain-driven timing, i. I`ve followed the instructions and set the gap to 4mm but the belt is just to tight , it has the classic sound of an overtight belt and feels very tight. No need to go too tight. Racing Engines, come with a new water pump gasket and oil pump O-ring. The Timing belt (T-belt) should be replaced every 70,000 miles or after 5 years of use. If you are uncomfortable. Oil will shorten the life of your timing belt; The water pump should be replaced with the timing belt; When replacing the timing belt on a Subaru 2. Engineers normally provide a tensioner which keeps the timing belt tight. The biggest issue would be a chain guide wearing. I have a 2002 Tundra 4. Cause: Metal-to-metal contact between arm and spring housing. 3 timing belt cover (hard to see, use a mirror) and on the camshafts themselves. Timing Belt Neglect could destroy your engine from the inside out. hi I’m Rob Dana and today we’re gonna I’m going to show you how to put a timing chain on the front of a small block chevy it’s pretty similar with all other engines how we do this you’ve got two gears you get one gear that goes on the crankshaft and we’ve got another […]. You can now replace all the timing belt pulleys/rollers you removed earlier. 20 - Slacken the timing-belt by loosening the tensioner lock nut (13mm), and turning the adjusting screw (17mm) counter-clockwise. The positive grip of the belt eliminates the need for high initial tension. When inspecting the belt, look for cracks or chips, and for teeth or ribbing that appears to be missing. One car I've had for 33 years. Volkswagen’s original recommendation on the AEB engine was to replace the timing belt at 105,000. The tension and general condition of the belt should therefore be checked at least monthly. Otherwise, make sure you are clear that you want an old belt for a non-automotive related project, they might hesitate to give you one if they think you are going to put a used belt on a vehicle. Why Replacing A Timing Belt Is So Important. A few months back over spring brake I decided to change my timing belt, water pump, engine seals, etc. Im not really sure how I should be checking tension but when i turn the car off it reads higher(110) then when I set it(90). The camshaft timing belt on the 928 is probably the achilles heel of the motor. You cannot adjust them but you have to change the tensioner assembly if it is seized or lost tension. Check it also whenever you remove and refit the belt or the cylinder head. Using plastic alligator clips and the timing belt guide will ease the process. From what I understand, belts on earlier models need to be replaced at 60,000 miles, and newer models at 90,000 miles. #24 hector says: January 24th, 2014 at 6:09 pm. The belt runs against this tensioner and keeps your belt firmly on the cam gears and crank. Both belts and tensioners and idler should be replaced at 100. Set the cover aside with the bolts in their proper holes. The base is the mounting for all the other parts, while the spring ensures that the belt is kept pulled tight. A quick run down? 1. I`ve just changed the belt,tensioner,water pump and idler ( i have the hydraulic tensioner). Cost of parts and labor is as follows:. When dealing with crucial timing belt service, err. Do not wait for your timing belt to completely wear out or even brake. How often should a Ferrari have a timing belt service done? For whatever reason, when it comes to Ferrari, there is a lot of debate around when the timing belts should be serviced, how frequent, etc. the diesel has a timing belt with idler and tensioner and another belt for the balance shaft with a tensioner. Why Replacing A Timing Belt Is So Important. Hummm way to low. Over time, their bearings may dry out, causing a squeak that should be heeded. Make sure the timing belt isn't too tight also. Best reason to change it is because you have an interference engine and failure can cause severe, expensive damage it the belt breaks. Hi guys, I was wondering how tight the timing belt should be. Is this something I should be worried about or am I being major paranoid?. The Auto Doctor recommends replacing a car's timing belt -- with a factory part -- at whatever interval is suggested in its owner's manual. Today, we’ll replace a timing belt and water pump on a 2003 TT 1. Most are also aware of the catastrophic consequences should they be overlooked and left in service until they fail. BUT, if too tight, water pump can fain prematurely, they say. Bracket will squeeze between fuel lines and plastic timing belt cover. Belt tension trick. There is no official set interval for changing timing belts on Honda Goldwings, Honda are vague about this and you have to use your own judgement. No need to go too tight. I've read that I'm supposed to change out my timing belt on my Honda every 60,000 miles, I now have 117,000 and think it's time to change it out. (Same body as Sprinter) The post describes how to remove the radiator without removing the complete front section of the vehicle, allowing the timing belt components and water pump to be changed with minimal fuss. Whipple is industry leader in customer service, hardware and complete user experience. If you plan on "racing" or hot rodding your bike, invest in a Harley-Davidson BELT TENSION GAUGE (Part No. Shiny, smooth streaks or gouges in tensioner housing or arm. put the fan/clutch back on, the rad back in, tighten hoses, and reconnect the breather tube to the intake. There are two bolts on the right cover and disconnect the tensioner sensor. The older 40,000 mile and 60,000 mile ALH timing belt system components should be updated to the current 100,000 mile interval by using our BASE VW Jetta Timing Belt Replacement Kits, which contain the factory specified improved timing belt and tensioners for the 100,000 mile change interval. With the addition of the dual row cam sprocket to the motor, the factory valve cover will now need to be modified to allow. Top 6 Timing Belt Warning Signs. One question I have is about the camshaft locking tools that Subaru sells for hundreds of bucks. "Tight-fitting pants increase abdominal pressure, making it difficult for gas and. Once you've taken it for a drive, you shouldn't retension. If the belt fails or slips enough teeth, you WILL come to a stop and may be in for A LOT of damage to both your motor and wallet. So here we are, "next time" is now. When doing the timing belt I bought the kit with (belt, 1 Tensioner, 1 Hydraulic Tensioner, 3 Idlers, 1 Water pump) and I need to know the torque figures for the bolts. 0L Timing Belt Replacement. This will correspond to a notch in the case - to the line on your belt - to the mark on the camshaft. Belt and pulley mesh for inch series and metric T-series, HTD and STD series geometry. hi I’m Rob Dana and today we’re gonna I’m going to show you how to put a timing chain on the front of a small block chevy it’s pretty similar with all other engines how we do this you’ve got two gears you get one gear that goes on the crankshaft and we’ve got another […]. Replacing the timing belt looks easy enough. i just replaced the old worn and stretched belts on my 48'' Bobcat Ransome mower. The reason you replace the water pump at the same time is because you literally have to take the timing belt off to get to it, so you might as well replace one if you replace the other. A timing belt, timing chain, or cambelt is a part of an internal combustion engine that synchronizes the rotation of the crankshaft and the camshaft(s) so that the engine's valves open and close at the proper times during each cylinder's intake and exhaust strokes. December 10th, 2010 at 11:13 am. How Does the Slimming Belt Work? The slimming belt is a body wrap belt. In the Chilton Manual I do not see the procedure for replacing the timing chain for the SHO 3. How tight should my belts be? I don't have any sort of "tool" for measuring tension. Was noisy, so lifted the cam cover to find two broken rockers. Slide the timing belt onto the camshaft sprockets with slack on the tensioner side and no slack between the camshaft sprockets. My original one had a metal-like gasket and replacement part had paper gasket. Shop manual says iuse a special "GM" tool to adjust timming belt on my 88 sunbird. The T-Belt is so tight it sounds supercharged at idle I have had no problems with it like that and as far as I can tell the belt looks healthy. Timing belt yanmar 6LP On the cylinder head above the injection pump / lifting eye the water manifold is secured by 2 nuts with washers an gasket that seals the manifold to head. I replaced the water pump, timing belt, and tensioner with OEM parts from Acura, but I DIDN'T replace the tensioner spring. It all looks fairly straight-forward, but I have some follow-up questions. Timing Belt Maintenance 52 Answers. So I did, and it was a PITA, and the belt, in disengaged position, is tight. One question I have is about the camshaft locking tools that Subaru sells for hundreds of bucks. See below for the before and after shots in my Yaris:. The timing belt won’t do its job if it’s not tight. 5 and when i take it to the mechanic he told me that the engine is leaking oil from the crank shaft oil seal im just wondering if i can get any advices form 944 owners or experienced mechanic if the oil is leaking should i change the timing belt and tensioner and get a reseal kit. The difference is attributed to reduced friction with the belt drive, and and better dampening of crankshaft harmonics that can disrupt valve and ignition timing at higher engine speeds. This allowed the timing belt to slip and I can confirm beyond a doubt that it is an interference engine. You will notice that the inside edge of the belt is wider than the base of the V in a v-belt pulley - the belt touches the pulley only on the sides. I marked the timing belt, made sure both gears were perfectly inline with their marks (the dimple behind the hole in the cam and the dimple in the crank with the dent in the engine). Honda Pilot Timing Belt Or Chain. The leading edge of the tape will be the measuring point. 1 bolt used to adjust timing and hold it in place. Acura TL 2004-2008: How to Replace Timing Belt, Water Pump and Thermostat. I marked the timing belt, made sure both gears were perfectly inline with their marks (the dimple behind the hole in the cam and the dimple in the crank with the dent in the engine). No more squealing belt. Fit the timing belt on the crankshaft pulley, starting clockwise. Was noisy, so lifted the cam cover to find two broken rockers. Comments: 86'528e timing belt replacement. I also see that the water pump is in the same general area. Third-party and session cookies are used to improve your experience. 1999 Honda Odyssey Timing Belt Replacement?yes, buy the service manual and READ. It is a different issue. Should I expect the belt to loosen after a couple minutes of running, or did I screw something up?. This doesn't mean that you should wait till the timing belt breaks to replace it though. It’s like the first time for some other things, both scary and exciting at the same time. Rotate the spindle clockwise and make sure belt does not contact belt guides. Timing Belt Tensioner: Should I replace it when doing the timing belt change? The timing belt tensioner is not cheap. 15) Remove black lower timing belt guard (4 10mm bolts) 17) Turning clockwise, bring camshaft gear to marking for TDC cylinder 1 by turning crankshaft center bolt (1 19mm 12pt). Changing the timing belts on a Goldwing is probably the most critically important maintenance task you can perform. Common signs of loose alternator belts include a loud squealing sound, improper voltage and flickering gauge lights, according to Pep Boys. 2 timing belt cover by removing the 5 bolts. Place a piece of tape around the belt. Replacing the timing belt looks easy enough. Most are also aware of the catastrophic consequences should they be overlooked and left in service until they fail. Timing belts are also less complicated (chains require an oil bath). Third-party and session cookies are used to improve your experience. Tasked with keeping the crankshafts and camshafts in sync for intake and exhaust strokes, the timing belt for your Ford Focus is intended to be changed out at regular intervals. The timing belt synchronises the rotation of the crankshaft and your engine’s camshaft(s), allowing the engine’s valves to open and close at the proper times during each cylinder’s intake and exhaust strokes. If your Toyota Timing. Be careful to disconnect the timing-belt tension sensor on the inside. If your hear a rattling noise from the engine's front, it is possible that your timing belt has failed. So grab your jackstands and you torque wrench, as we go over our How To Change a 4G63 Timing Belt Guide. The timing belt stretches over time and the automatic belt tensioner self-adjusts to keep the belt tight, however, when it reaches its limit of travel it stops as the belt continues to stretch. 15) Remove black lower timing belt guard (4 10mm bolts) 17) Turning clockwise, bring camshaft gear to marking for TDC cylinder 1 by turning crankshaft center bolt (1 19mm 12pt). The 2009-2013 Forester with a turbocharged EJ255 DOHC engine has a timing belt that also needs to be replaced at 105,000 miles. Ford overhead-camshaft engine On a Ford overhead camshaft engine. You check it by pulling it away from the gears. Belt tension trick. You will notice that the inside edge of the belt is wider than the base of the V in a v-belt pulley - the belt touches the pulley only on the sides. FWIW, this model car/engine does not have timing chain inspection and/or changing as part of the routine maintenance schedule like cars with timing belts. Is this something I should be worried about or am I being major paranoid?. 7 V-8 with 248,000 miles on the clock. many do not set the mechanical tensioner correctly and the the tensioner indicator moves back and forth about 3/4 inch indicating an under tightened belt. The T-Belt is so tight it sounds supercharged at idle I have had no problems with it like that and as far as I can tell the belt looks healthy. A loud bang could be the timing belt snapping, and the piston smashing a few valves. The tension of the toothed belt that drives an overhead camshaft must be checked at the intervals set by the servicing routine laid down in the car handbook. However, if the car was run on low oil levels, or on dirty, unchanged oil, the life of the timing chain will be greatly reduced. SOHC Timing Chain Replacement Procedure 4. Well after determining that my timing belt is too tight, i went through the process of adjusting the tension from what the manual says to do. I don't feel it? Or must a belt be tight enough to be felt in order to stay perfectly horizontal?. You should take your donor belt with you to make sure the hardware will fit the width of the timing belt you get. A timing belt tensioner is a simple and important part of the engine of a vehicle. The shop messed up so many things I was still fixing the car months later. I can't afford them, but it does sound like the job is easier by locking down the camshafts so that they cannot rotate when removing the timing belt. These are stretch bolts and should be replaced with new bolts upon reassembly. It also include the dampener pin tool. And, like a rubber band, it must maintain a balance of flexibility and tension. I checked and reset the pump timing. How to Tighten a Drive Belt. It is made of a strong rubber material which includes cords that are nylon-reinforced. If the chain slop is not excessive it is still possible that you have jumped a tooth especially if it is a rubber timing belt. Lexus Timing Belt and Water Pump Replacement. Ford recommend replacement every 125,000 miles or 10 years. I just want to know how tight the tension should be on the timing belt. Refit the ABS pump and the pipe clips then check everything again. Timing belt tensioner, idler and crank seals can and should be replaced with the belt as they affect the lifespan and can and do go bad. The cam belts are sturdy rubber belts that drive an engine's valve system. Can anyone help me with instructions on how to change out the belt or any suggestions. Then the really tight packaging and routing. Note: Do not allow either the camshaft or crankshaft to move while the belt is off. Get a Quote Send Inquiry. Dismantling The Timing Belt Remove the no. It makes sure the no teeth are missed and your engine is running with the correct timing. The timing belt won’t do its job if it’s not tight. Be careful to disconnect the timing-belt tension sensor on the inside. Engine won't turn over. timing chain systems somewhere north of 100,000 miles. So you must have broken a timing belt. net forums didn’t turn up a single how-to in easy language on changing a timing belt on an NB2. Best Answer: Normally belts are to be tight enough to have no more 1/2" play in them. Align the key and key way on the crank gear with the key way on the crankshaft. The older 40,000 mile and 60,000 mile ALH timing belt system components should be updated to the current 100,000 mile interval by using our BASE VW Jetta Timing Belt Replacement Kits, which contain the factory specified improved timing belt and tensioners for the 100,000 mile change interval. I guess it could also be a backfire from say, something like the coil pack sparking fuel. Belts are quieter but are often less obviously worn before they break (chains stretch and loosen, belts tend to stay tight without damaged belt teeth up until the moment they snap). You should go with what the owner's manual says if you want to keep your car for a long time. How do you splice it? You don't! Typically for a CNC machine you would have one end of the belt fixed to the machine bed, run 90 degrees around an idler, wrap 180 over the drive sprocket and 90 degrees over another idler with the belt then being clamped in a tensioner at the other end of the bed. Disclaimer Note: This is how i successfully did the job, but i am not a ford mechanic and don’t hold me responsible if this does not work for you. It is made of a strong rubber material which includes cords that are nylon-reinforced. Although the California Owner's Manual says 105,000 miles, this is just to satisfy a state requirement that says timing belts should last 100,000 miles or more. -you should always have the timing belt tensioner changed at the same time. You can now replace all the timing belt pulleys/rollers you removed earlier. Email:
Some cars use the timing belt to drive the water pump, others do not and have an external pulley that's part of the drive system, but if the pump's under the cover it should be replaced anyway I had a KIA Spectra that had the external pulley and the pump was under the timing belt cover. net timing belt replacement guide here. Hook your new spring around the stud on the block, install the timing belt tensioner finger tight. i bought a 2005 kia rio in march of 2010 since then i have had the timing belt changed because a co worker with same make and year car timing belt ruined motor. Mechanic Set My Timing Belt Tension to Tight! was created by erikslow01 A few months back over spring brake I decided to change my timing belt, water pump, engine seals, etc I really did not have all the right sockets and wrenches to do the job and it ended up taking me 2 days to get the timing belt back on. This part of the engine ensures that the valves operate in the correct timing system. When positioning and timing is critical, you should consider using a timing belt structure as the base belt. FWIW, this model car/engine does not have timing chain inspection and/or changing as part of the routine maintenance schedule like cars with timing belts. The cam belts are sturdy rubber belts that drive an engine's valve system. I`ve just changed the belt,tensioner,water pump and idler ( i have the hydraulic tensioner). unofficialbmw. That way, the timing belt's lifespan can be preserved. It should only move about a quarter inch, so pretty tight, but not tight like it's gonna snap. Re: timing belt tension- too tight, too loose, just right Post by JDS60R » 09 Oct 2012, 16:48 Your tensioner should stay in the little window during normal operation. -changing the timing belt before it breaks is important, even if you don't have an interference engine. The average cost for a Honda Accord timing belt replacement is between $482 and $633. Check our online catalogue to find the matching timing belt kit or timing belt kit with water pump for your application. I just read through the "Sticky: Timing Belt Change" thread. The belt tention isn't set manually, there's a spring loaded tentioner. thus pulling the cam to the right tension. How to Guide_Changing the Timing Belt on a RB25DET - Free download as PDF File (. Again thanks for help all. After you remove the top section of the timing belt cover, you should see a timing mark on the camshaft sprocket -- this mark usually lines up with the edge of the cylinder head or valve cover. 5 and when i take it to the mechanic he told me that the engine is leaking oil from the crank shaft oil seal im just wondering if i can get any advices form 944 owners or experienced mechanic if the oil is leaking should i change the timing belt and tensioner and get a reseal kit. Hi simpliest way to see if its the cam belt without causing any further damage is to take the cam belt cover off it should be self evident should be about 8 bolts holding it on shouldnt have to take it all the way take the top few out and you should be able to pull it clear enogth to see the cam pulleys if its snapped it will either be off completly or hanging loose if it is its a matter of. I know that if I moved the two big Cogs looking at the engine the timing will be out of wack. So how is one supposed to know just how much tension to apply?. For what reason does an average Toyota Corolla have a part that seem to outlast better cars?. Should You Change Your Own Timing Belt? by Jim Profitt. Carb just plain messed up, air filter restricted. There are many reasons for that but one main one is that the compression will be low on all cylinders. While the timing belt is moving inside the motor, it is placed under a lot of stress and tends to wear out quickly for this reason. 15) Remove black lower timing belt guard (4 10mm bolts) 17) Turning clockwise, bring camshaft gear to marking for TDC cylinder 1 by turning crankshaft center bolt (1 19mm 12pt). Hello all, I have an 3. Note: Do not allow either the camshaft or crankshaft to move while the belt is off. And, like a rubber band, it must maintain a balance of flexibility and tension. Just like with cheap cars, service intervals is 10,000km and more expensive cars can be 15,000km. Timing belt cover (large black cover, 11 bolts) Set crank at TDC #1 (should read 0 degrees and both cam marks should be up, if the cam marks do not line up turn the crank one full turn) Timing. A timing belt that is to tight will make a lot of whining noise. Also, just pulled the 2nd timing belt off Guanowife's 15-yr-old Toyota after 90K; the OEM Toyota part still looked pretty good. Volkswagen's original recommendation on the AEB engine was to replace the timing belt at 105,000 miles (5k after the drivetrain warranty expired. See below for the before and after shots in my Yaris:. If so, I'd spring for that. There should be very little slack at the top when this is done propely. Most cars today have belt tensioners. I also see that the water pump is in the same general area. There are a number of tdiclub members in the Columbus and Cincinatti areas who can do a good job on your timing belt. Timing Belt, How Do I know It Needs Replaced? We use to check for timing chain and gear wear by using a timing light to measure timing variations at different rpm settings or check the stretch by counter rotating the crankshaft with the engine off. NOTE: Sprockets should turn freely but not tilt. Be sure to have the harmonic dampener boot checked out, replace if beginning to show wear/wobble. Been speaking with a reputable independent service shop and he quoted $700.