How Tight Should A Serpentine Belt Be

Before you start it is helpfull to look at the bolt on the back and look where the threads are this helps you to get correct tension. Replacing Your Water Pump. Re: Need serpentine belt. If the belt is too tight to twist between the pulleys it is too tight. I adjust them this way and have never had a service issue of short life or slipping belts under power. Do a final check. Recently, my dad was driving my 06 CS and he saw that the alternator light came on. I bought this car about 5 years ago and ended up replacing a lot of components within the past 30,000 miles that were due for maintenance (see list below). It is now 145,00 -- should I be worried about this?. it has 2 belts: serpentine and air conditioning (AC). A drive belt (also can be called accessory drive belt, serpentine belt, alternator belt, or fan belt) is a rubber belt that powers the engines accessories. However after the replacement on my drive back, I noticed that there is a loud screeching noise coming from under the hood when I turn on the AC. If it won't move (like mine won't right now), your tensioner is seized and should be replaced. Double check your work, make. If there is no set mileage, what is the word on the street as to when they usually wear out?. Then turn off the protection serpentine belt wheel side. Place the socket end of the socket wrench over the wing-nut and turn clockwise to apply tension. Best Answer: It is more likely the belt is too loose and what you hear is the belt slapping. Failure of the serpentine belt tensioner-spring. I told him no. net - Car Forums, Automotive News and Community. Most vehicles today have a single, continuous serpentine belt that winds around various pulleys and. Its surprising how tight these polygrove belts need to be and many people have them way under-tensioned. By using an elastic material in the belt cords the stretch or stretchy belts are designed to stay tight, much like a large rubber band. And the serpentine belt's strength and longevity are tied to its long, wide design, too, which has the properties of a long strand that is harder to break. I have been having a problem in which the serpentine belt squeals on startup. After you do that then you'll tighten the bolt that is in the slot restricting any back and forth movement. As the serpentine drive system wears, it is not uncommon to begin to hear squeaking, squealing or other belt and/or pulley related sounds. Adjust the belt tensioner correctly. How often should you change your alternator belt? I haven't changed my alternator belt in over five years and over 1000 hours of engine running. The alternator and V-belt can be purchased at your car's dealership or, for most cars, at auto parts stores. alternator belt on any vehicle should be tight enuff that you can push down about 1/8 of and inch on the longest straightest part of belt if engine has a serpentine belt, the belt tensioner will. It helps to unscrew the 3 13mm serpentine belt tensioner screw on the top end of it and take it out, so you have a little bit more access from the top to place the belts. is missing or broken. It utilizes a 78. When your belt displays any of the following: -squeals when accelerating. In other words this pulley has only one job, and that is to tighten the serpentine belt. How to Replace the Serpentine Belt on a Saab 9­3 Saab indicates a 60k mile replacement interval for the serpentine belt. Tighten the mounting bolt to the engine accessory with the ratchet and socket. The pulleys and tensioner are optional There are two belts available for the 9-5. If you’re a do-it-yourself kind of person, then when you change the oil, be sure that you check the serpentine belt with each and every oil change (or if you use synthetic oil that doesn’t need changed as often, check your belt every 3,000 to 5,000 miles). The belt must be replaced, but wait… If you replace the. The spaces are often tight and the belt-driven devices difficult to reach. Here is how I check belt tension on a serpentine belt: Go to the long side of the belt and grab the belt with your hand. The manual only mentions inspection of the serpentine belt. I would like to know about how long a serpentine belt should last before it needed to be replaced. If the belt has been exposed to anti-freeze, it is safe to drive but the noise will not go away permanently unless you replace it. Check the serpentine belt diagram on the sticker under your hood. Learn important automotive Serpentine belt topics including: what is a Serpentine belt, locating the Serpentine belt, replacing the Serpentine belt, when to check the Serpentine belt, types of wear to look for, Jacking Screw Tensioner, Serpentine belt removal, checking the pulleys, diagnosing related problems, maintenance, and pulley configuration. To Waynes point, its too tight to get sockets and wrench in there, but regular ring-wrenches just work fine. Replace serpentine belts every four years/50,000 miles, or sooner if needed. But the pump still leaked. I think I'm gonna go buy a compatible width one an inch or two longer. I will get a new impeller and try that. Provides tension to keep the serpentine belt tight during operation; Takes up slack which might be introduced as the belt gets older; Well, there's a third thing to consider, as well: In a lot of vehicles, helps keep the belt in alignment ; Tensioners should be good for well over 100k KMs (and most likely a lot longer than that). There should be enough adjustment, I cannot figure out how the hell they ever got this thing on. He said sometimes it is best to go OEM and the serpentine belt was one of them. This service should be performed every 75,000 miles. It requires some mechanical know-how and an ability to read and follow directions and diagrams. Serpentine belt diagram. 12: Once that is in line the tensioner pulley arm back up with the holes in the engine to bolt the 3 screws back in. 4L Tigershark forums, part of the Dodge Dart Garage - The Mopar Zone category; Does anyone have a video or how-to? I'm surprised I couldn't find one on youtube. Discussion in 'Mk5 VW Both the Cam and Crank sliders should go easy. Sometimes you can go to a parts place and they will either replace it or show you how to do it. even so, it's actually hard to put the belt on with the tensioner all the way up, and it feels pretty tight, just not as tight as it should be, I guess. A tight belt is not a good thing, no room for the tensioner to absorb sudden engine loads, wear stress on brackets, belts, bearingsall else fails, measure the belt and find. But we don't recommend it. This always includes the alternator and AC compressor. The engine belt is used to power accessories in your car or truck. The Chrysler town and country has driven through puddles that they should have turned around and not gone through. there are two serpentine belts in my car - One is solely for the alternator, and one is for the power steering, air conditioning, water pump, etc. 5 turbo GM Part# 12555011 Goodyear 6PK 2575. I have a 1995 ford ranger 4 cylinder and I am trying to get the serpintine belt on but do no know how to release the belt tensioner enought to get slack in the belt to get around all the pulleys. Serpentine belts stretch with age and use, but the tensioner is spring-loaded to keep the belt tight on the pulleys. Next, remove the belt and put the new one. 9 could be the belt but if. • Squealing noise under the hood: This may signal that the belt is slipping. You can also. Toyota Camry 2007-2011: How to Replace Serpentine Belt Tensioner. Part 2 of 3: Tightening the belt. Install the engine cover, and tighten the intake tube's screw. If the belt can be pushed down more than half an inch, you will have to adjust the tension. 2000 Dodge/Plymouth/Chrysler Neon Timing Belt and Tensioner Replacement I have created this page to chronicle my changing of the timing belt and timing belt tensioner on my 2000 Plymouth Neon. Can … read more. belt on a 2002 protege?, if you adjust the alternator on that slide to take the tension off the belt you should be good to go to put the new belt on the routing diagram for routing the serpentine belt should be on a. A worn, cracked or dry belt should be replaced. That said, the serpentine belt should not be too tight also in the engine system. I bought Goodyear 4060755 before but had to return. Please note: This writeup was completed on my 2001 Jeep TJ with a 4. What I don't own is a special tool to loosen the serpentine belt's tensioner pulley. This vehicle, like I said, has the 4. Each model will be different. • Wear and tear: If a visual inspection of the serpentine belt reveals significant wear and tear, including cracks, separation, or damage, it's time for a new belt. It could happen when you’re driving, or when your engine is idling. Recently after replacing the serpentine belt in my 1992 MB 300TE 4matic, the bearings on the air pump failed. How do you change the serpentine belt on a 1997 Jeep Wrangler 6 cyl. It helps to unscrew the 3 13mm serpentine belt tensioner screw on the top end of it and take it out, so you have a little bit more access from the top to place the belts. This should also make finding a properly sized belt for your application more exciting. 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. Serpentine belt too tight to install I'm attempting to replace the serpentine belt on my 2000 Isuzu Trooper, and even after loosening the tensioner, it is way too tight to install. Just turn it in the 'tighten' direction to release the tension. Thanks for educating me on the motor size. I have heard the rule where in a 5 hole belt you should be wearing it in the third hole, but I am curious as to how much 'give' I should feel when I pull my belt out in front of me. Re: How much slack should the drive belt have? Make sure you have the correct belt, belt should deflect about 1 1/2" when pushed down midway between the clutches, this is normal for any cvt system. If you are having low battery issues, the idler pulley tensioner might be going bad. Any of the engine pulleys are very important to the overall operation of the engine, as it's the serpentine belt and pulleys that allow the engine to properly function after it has been started. Once those are tight, then you're ready to put your serpentine belt back on. 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. once the belt is tight enough go ahead and tighten the nut on the idler pully and your done. Replace V-belts every four years/36,000 miles. This article applies to the Lexus ES (2007-2014). The belt should have no more than a 1/2 inch of slack to be properly tensioned. It's important for the belt to remain tight against the pulleys, otherwise the belt will slip and reduce accessory output. The serpentine belt is the interior belt, and the A/C belt is the outer belt. And, like a rubber band, it must maintain a balance of flexibility and tension. Where to Inspect a Serpentine Belt. ? If so get a new one today. I use a spray on belt dressing to spray my serpentine when the belt is running. 0 I keep getting a random squeal so I tightened my belt and it was fine for a day, then realized when my ac pump kicked on it seamed to come how tight is too tight for a serpentine belt? - JeepForum. BMW X5 - How to Replace the Serpentine Belt Only problem area might be getting fan off water pump and getting tension on new belt a bit tricky. Drivebelt Belt fiber has more than one crack 1/8 in. Each model will be different. I think I'm gonna go buy a compatible width one an inch or two longer. The process for removing a thermostat and replacing it in a 1987 Buick LeSabre is similar to that for most cars. It's the ribbed, reinforced rubber belt that powers all the accessories, A/C, Power Steering, alternator and various other components in your car, truck, or SUV (depending on the make, model and year of the vehicle). The instructions say to tighten the water pump bolts again after the engine had warmed up, which I did. got it all hooked up but I can't really tell if I should loosen it or tighten it more because something that is on the belt is squeaking as of right now I have it snug where I can push down firmly and feel a slight amount of play. A serpentine belt lasts longer than traditional drive belts and is much easier to remove and install. I have replaced it twice in two years and thirty thousand miles, isnt this too often? How do you tighten serpentine belt on a 2004 Chevy colorado? How do you tighten the fan belt on a Chevy Silverado?. Serpentine belt tensioner change This is a follow-up howto to my post on changing the serpentine belt. 0t FSI Serpentine Belt Removal. 11) Now go back to your belt and pull it tight, loop the tensioner pulley in now (refer back to diagram to see how the belt is supposed to be) kinda tight area but tried to get the best pik as possible for you. Think about direction: The serpentine belt might drive the impeller in the opposite direction from that of the V-belt, so you could end up. Sometimes you can go to a parts place and they will either replace it or show you how to do it. And the serpentine belt's strength and longevity are tied to its long, wide design, too, which has the properties of a long strand that is harder to break. Do a final check. If your vehicle is older, or if you hear squealing noises from the engine, those belts might need changing. Is there a set mileage where you should replace the serpentine belt? I've got an '03 F-150 supercrew w/ 70k miles. My shop manual says use belt tension tool T63L-8620-A, which I don’t have and don’t really want to buy on EBay. Gates application engineers and automotive experts have spent decades developing the most comprehensive automotive power transmission and fluid power selection in the aftermarket, with OE fit parts for your belt drive, engine cooling, fuel, emission control systems, and more. As the serpentine drive system wears, it is not uncommon to begin to hear squeaking, squealing or other belt and/or pulley related sounds. We discuss how these belts wear out, along with the warning signs they give when replacement is due. Re: Serpentine belt too tight? (i noticed that my serpentine belt is tighter than a frogs rear end), and you know this how? nevermind, i dont want to know. Accomplish that simple task and you have instant bragging rights among your friends. The Ford Focus generally has a dedicated drive belt, sometimes called the serpentine belt, that drives the alternator, power steering, and air conditioning compressor. Any binding, no matter how small is an indication of a serious tensioner problem. I changed serpentine belts on a vehicle years ago. Hey guys I have a Nissan Rogue 2009 that I took in for serpentine belt replacement since it started to show cracks. The lifespan of a typical serpentine belt is about five years or 50,000 miles. How to replace the serpentine belt on a 1. 7 Serpentine Belt Install Tips - Dodge Cummins Diesel Forum. Observe the belt for any visible signs of damage. The belt is worn, loose or been exposed to anti-freeze. A first step in preparing the A-series engine for our forthcoming DIY intercooled supercharger kit was engineering a serpentine belt drive. Replace serpentine belts every four years/50,000 miles, or sooner if needed. This kit Features an 1-piece lower pulley to reduce weight and allow the use of an independent balancer bolt to help reduce harmonicsRadius Tooth HTD Setup. With the belt removed we use a wrench to move the pivot arm through several full sweeps. How to Tighten a Serpentine Belt Open the hood and locate the adjustment screw that controls tension on the serpentine belt. If your car's battery is three years old or more, it should be replaced. This is not meant as an authoratative guide on how to do so. The belt will be the first thing to come off and the last thing to go back on, so find the routing layout of your vehicle’s serpentine belt. I took it back to the shop to have it checked. $150 for this job is a total, complete and utter joke. It is not uncommon to hear squealing from the belt sooner than the interval, which will need a change before 105,000 miles. When you're ready to put your serpentine belt back on, you definitely want to find this diagram right here. There is a belt routing diagram on a sticker under the hood and in the owners manual. If it were to break, you would loose these accessories depending on engine size and model of vehicle. But we don't recommend it. When a drive belt should be replaced in your car? Your engine has a number of mechanical accessories attached to it, such as an alternator, water pump, power steering pump and an air conditioner compressor. If the belt fails and breaks, you can't go anywhere because you'll lose your alternator. Anyway, That pulley where the a/c compressor is supposed to be is also an idler pulley. A serpentine belt that is frayed or torn should be replaced, as should one missing large chunks from its ribbing. Be sure to not over-tighten the bolt, but make sure it’s still snugged well. If it's noisy, too loose, or too tight, we recommend replacing it before you put your new serpentine belt on. My car is a 95, but has a 92 engine in it. When you call or come into your local Firestone Complete Auto Care store, one of our experienced, ASE-certified tire and auto service professionals can tell you when your specific car’s timing belt and serpentine belt replacement is recommended. The manual only mentions inspection of the serpentine belt. How do I install a serpentine belt on a truck? How do I tighten the serpentine belt? How often does a serpentine belt need to be replaced? Is replacing a serpentine belt something I can do myself? What does serpentine belt noise sound like? What needs to be done for a glazed serpentine belt? What should I know about a Saturn's serpentine belt. The new belt seems pretty tight, with no slack. If you don't have the square hole on the tensioner arm (mine doesn't), the bolt in the middle of the tensioner pulley (15mm) is used. The belt itself is driven by a pulley attached to the engine crankshaft. ok so about a month and a half ago i bought a 1989 ford ranger XLT single cab with the 2. Find out more about your Timing Belt Tensioner from Griffin Muffler & Brake Center LLC in Fort Madison, IA Skip to content (319) 249-6283 535 Ave G, Fort Madison, IA Request Appointment. If the belt has been exposed to anti-freeze, it is safe to drive but the noise will not go away permanently unless you replace it. I have been having a problem in which the serpentine belt squeals on startup. Replacing a worn serpentine belt is as critical as keeping the proper level of oil in your engine. And with a cambelt it is better if it is very slightly too loose than too tight if you don't have it 100% spot-on. How do i tighten serpentine belt. If you've had it undertensioned for long, its possible that the belt is now glazed enough that even with correct tension, it may still squeal. If the serpentine belt goes, you are done until you get a new one. The belt should be tight and snug in place. Is it possible that an overly tight belt could lead to damag…. How to Test Belt Tension with a Krikit Gauge Video - Pep Boys - Duration: 2:51. I would like to know about how long a serpentine belt should last before it needed to be replaced. Before checking a belt always remove the ignition key, to avoid any possibility that the engine might turn over and injure your fingers. Adjusting Nissan Sentra Serpentine Belts: Squealing or slipping belts? This DIY "how-to" shows you where to find the simple adjustments for the serpentine belt and standard belt for a Nissan Sentra and how to tighten it. How do I tighten the serpentine belt - Hiw do I tighten the serpentine belt I replaced the tensioner system but it can't get the belt to tighten up × We use cookies to help our site to work, to help us understand how it is used, and to tailor advertising on this and other sites. Replace the brakes before they wear beyond 1/4 inch. View belt routing diagrams and pictures. This is a diagram of how your serpentine belt should be routed if you have a California 258 without AC. A serpentine belt is a wide thin style belt with multiple ridges that drives multiple components such as the alternator, water pump, power steering pump, and ac compressor. If it's noisy, too loose, or too tight, we recommend replacing it before you put your new serpentine belt on. I inherited a 91 mustang from my grandmother a couple of months ago & the alternator bearing froze up causing the serpentine belt to break this week. Anyway, That pulley where the a/c compressor is supposed to be is also an idler pulley. If you happen to hear a squealing noise from under the hood, it might be a case of a loose alternator belt, which needs to be tightened. That said, the serpentine belt should not be too tight also in the engine system. If there is not enough tension, a belt can slip, squeal or run hot. Instead of taking your car into the mechanic, you can take care of this little do it yourself project on your own. So I'm assuming serpentine belts should err on the side of being tighter rather than looser. We're sure this How to Replace a Serpentine Belt article will help you get your car back on track!. Serpentine belt diagram. (5 cm) long. The belt is about an inch in diameter across, with a smooth, outer side, and a ribbed (or grooved) inner side. How to Test Belt Tension with a Krikit Gauge Video - Pep Boys - Duration: 2:51. Based on serpentine belt reviews, it doesn't loose from at once and will serve you for many years. How much serpentine belt replacement should cost. The serpentine, or s-belt, has greatly simplified the operation of under-hood pumps and pulleys. Find out how to do it yourself. If you are looking for the best serpentine belt for sale that is able to withstand high tension, ContiTech PK060882 should be your ideal choice. Changing the serpentine belt is one of core maintenance items on any F-150 or F-250. It's the ribbed, reinforced rubber belt that powers all the accessories, A/C, Power Steering, alternator and various other components in your car, truck, or SUV (depending on the make, model and year of the vehicle). Gates application engineers and automotive experts have spent decades developing the most comprehensive automotive power transmission and fluid power selection in the aftermarket, with OE fit parts for your belt drive, engine cooling, fuel, emission control systems, and more. The solution is to replace a serpentine belt and a belt tensioner. Best Durability: PK060882 ContiTech Serpentine Belt Review. If a pulley on one of the accessories seizes or fails to turn it will likely destroy the serpentine belt, but it’s important to consider that a belt that’s too tight will often lead to seizing pulleys. He remarks how the drive surface of one of the pulleys was melted, as if it got real hot. The belt will be the first thing to come off and the last thing to go back on, so find the routing layout of your vehicle’s serpentine belt. Serpentine belts, for example, can range anywhere from $8 to $50. Then tighten belt so that it deflects 1/64-inch for every inch of belt span when a force as specified in the table below is applied to the top of the belt. Then re-tighten A and B to lock it down. How do i tighten serpentine belt. The serpentine belt, both black and cracked, which had half-shredded itself under my friend's hood should have been replaced long before. In the meantime, I'm just trying to get the damn belt back on so I can at least drive it to someplace to address the water pump if that's the root cause. This is a diagram of how your serpentine belt should be routed if you have a California 258 without AC. If you don't have the square hole on the tensioner arm (mine doesn't), the bolt in the middle of the tensioner pulley (15mm) is used. This may seem weird, but that's only because it is. If it's noisy, too loose, or too tight, we recommend replacing it before you put your new serpentine belt on. Serpentine belts can be tricky to replace because of the way in which they are routed and because of limited access in a tight engine compartment. I will get a new impeller and try that. 2000 Dodge/Plymouth/Chrysler Neon Timing Belt and Tensioner Replacement I have created this page to chronicle my changing of the timing belt and timing belt tensioner on my 2000 Plymouth Neon. If you can barely twist the belt at all from it's current flat position, the belt is too tight and should be loosened a bit. The coolant still looks nice and blue as it should, but I have read in the manual that this should be changed at 10 years or 120k miles, so that is one of the next jobs to be done. If the belt is making a lot of noise then it would be good to replace. How to Replace Serpentine Belt A squealing serpentine belt can be a sign it's close to failing and needs replacement. Normally there should be about 3/4-inch of play in the belt, and the tensioner can be adjusted to return the belt to normal tension. With the belt off, visually inspect the tensioner for any cracks or signs of metal-to-metal contact between the tensioner arm. 1 cause of belt noise is misalignment. For VW pulleys, the 12 volt Generator/Alternator Pulley (stamped steel) was also used on the large diameter 6 Volt Generator (105mm OD). Your engine's timing belt is the most important maintenance item in your car. A serpentine belt that is frayed or torn should be replaced, as should one missing large chunks from its ribbing. There really is no spec when they have an automatic tensioner. Most automotive Alternator pulleys use a 15/16 socket. I told him no. The serpentine belt is used for the power steering, air conditioning compressor, alternator, water pump or supercharger. The manual only mentions inspection of the serpentine belt. I have 2005 cummins ISB 300hp with 21,000 miles. And if you are well aware of the specifics of a serpentine belt to be fitted in your car, you may purchase the same online also. On the way back from the shop the PS belt started screeching loudly. My car is a 95, but has a 92 engine in it. 9 L V6 and within the past few weeks the belts have been squeeking horribly so i check under the hood and the belt that is connected to the alternator and engine seemed very loose. In fact, it's one of the big reasons the serpentine-type system was developed in the first place. I bought Goodyear 4060755 before but had to return. You'll need the belt tensioner tool again for this. The serpentine belt powers every accessory on the engine. Threw the serpentine belt, no biggie. I mentioned this to a cousin who was a Honda dealer mechanic. Ford F-150/F-250: How to Replace Serpentine Belt. Remove the belt from the other pulleys Reverse the process for installation. How to Replace Serpentine Belt A squealing serpentine belt can be a sign it's close to failing and needs replacement. If a pulley on one of the accessories seizes or fails to turn it will likely destroy the serpentine belt, but it's important to consider that a belt that's too tight will often lead to seizing pulleys. The chatter is after it idles for a couple of minutes. Your engine should have run for quite a while even after the serpentine belt snapped. Ford F-150/F-250: How to Replace Serpentine Belt. Good luckHow to change a serpentine belt on a 1995 bonneville?. Should you hear such a sound you'll want to schedule an appointment with your local. A replacement serpentine belt tensioner may be what you need to get your vehicle in good working order. One of the biggest burdens today for professional technicians and do-it-yourselfers is belt noise, and the No. got it all hooked up but I can't really tell if I should loosen it or tighten it more because something that is on the belt is squeaking as of right now I have it snug where I can push down firmly and feel a slight amount of play. Anyway, That pulley where the a/c compressor is supposed to be is also an idler pulley. Do a final check. It's also a great way for mechanical novices to get acclimated with working under the hood. Looking for instructions on how to change serpentine belt? Original belt with 60K miles on it. After you've checked and made sure everything is in tip-top shape, take the new serpentine belt and line up all the belt ribs in the pulley. I have replaced it twice in two years and thirty thousand miles, isnt this too often? How do you tighten serpentine belt on a 2004 Chevy colorado? How do you tighten the fan belt on a Chevy Silverado?. I just took my 2008 Toyota Corolla in for a oil change and afterwards the guy said that my serpentine belt was cracking and should be replaced. alternator belt on any vehicle should be tight enuff that you can push down about 1/8 of and inch on the longest straightest part of belt if engine has a serpentine belt, the belt tensioner will. If you are looking for the best serpentine belt for sale that is able to withstand high tension, ContiTech PK060882 should be your ideal choice. Note: This guide specifically covers the NA Crossfire/Base and Limited models. I put it back on the right way, but I want to be sure about the tension cause ive heard too much tension can burn out the alternator. The spaces are often tight and the belt-driven devices difficult to reach. any info would be very nice :)How to tighten the fan (serpentine) belt. The belt is not specific to any manufacturer's brand. So I should replace the whole tensioner or just the pulley? I am thinking about ArmorMark 858K6 Serpentine Belt or Goodyear 4060855 Gatorback Poly-V Belts, but not sure that would be the right one. Using the proper tool, rotate the belt tensioner to release tension. Does anyone know how to slide the alternator further up on this lower arm so the belt will be fully tensioned? I’ve tried loosening the bolt and using a makeshift pry bar to push it up. You can also. If rib cracks are detected, you should probably remove the belt for further inspection. The only two places that a v-belt can be tensioned from are the adjustment bracket that is attached to the engine accessory or by prying against the accessory with a pry bar. Best Durability: PK060882 ContiTech Serpentine Belt Review. The pulley face should be one inch wider than the width of a new belt. Toyota Camry 2007-2011: How to Replace Serpentine Belt Tensioner. The desired belt tension is reached by pressing in the middle of the belt's longest run with 22 lbs pressure, deflection of a new belt should be between 0. Ideally, it should be pushed down to ¾ of an inch. A very old belt may be so worn that it's impossible to tighten it enough to stop the squealing, so if you find that this is the case, be prepared to have the belt replaced. I would like to know about how long a serpentine belt should last before it needed to be replaced. Do a final check. I read on a post before and you were saying that a 7pk1750 is ok to use but a 1760mm should be the correct length. Otherwise, the strain it will put on the pulleys and connecting bearings will be more, eventually consuming more power than required in the running. I guess it would be a wee-bit tougher if you are also doing the PS belt, but I checked my PS belt and it is like new with no dryness or cracking, whilst my serpentine (AC/Alternator) was horrible and has been for some time. Serpentine belts are a great invention but unfortunately they drive everything on a modern engine which places a lot of load on them. How to check the serpentine drive belt on your car or truck. A timing belt won't last as long in extreme temperatures as it would in a milder climate. (1993 Toyota Camry) When i turn AC on it makes a squeaking noise sometimes , it a new belt. 2 mm) in depth, or 50% of belt thickness, or has frays more than 2 in. I have a 2007 Chevrolet Impala 3. Replacing a worn serpentine belt is as critical as keeping the proper level of oil in your engine. My dad has a Camray 1 years older with 100,000 km and his is fine). So follow either method or take it to a dealer, putting the belt back on is not good enough. Stretch belts cannot be reused and are designed for one use. This article applies to the Lexus ES (2007-2014). A tight belt will make a metallic humming noise but will not vibrate. How tight does the belt need to be? Unlike v-belts or serpentine style belts, toothed belts like HTD and Gilmer do not need to be overly tight. It will not go on the last pulley even with the tensioner all the way out. On this 2010 I can barely see down to the belt, its very close to the PS fender well. Either of the positions does not work for the vehicle. Serpentine belts can last for 100,000 miles. Tighten C until belt is tight. And there should be a belt routing diagram under. The drive belt assembly will have a specific component that tightens that belt. If rib cracks are detected, you should probably remove the belt for further inspection. The spaces are often tight and the belt-driven devices difficult to reach. Diagnosing Misalignment and Belt Noise July 30, 2014 at 10:54am. And with a cambelt it is better if it is very slightly too loose than too tight if you don't have it 100% spot-on. If a belt starts slipping, the tensioner should always be checked to see if it is functioning properly. This is because the alternator puts quite a load on the belt when it is charging the battery. A v-belt tension checking tool can also be used to check the tension of the belt. By using an elastic material in the belt cords the stretch or stretchy belts are designed to stay tight, much like a large rubber band. The manual only mentions inspection of the serpentine belt. The engine belt is used to power accessories in your car or truck. You should visually inspect your belt at least quarterly or more often if you use your tractor on a daily basis. The tensioner has to come off in order to get the belt off/on as well. The tensioner, idler pulley and, on some vehicles, the decoupler pulley all wear over time and need periodic inspection and replacement. Since you have to loosen the V-belt when you replace an alternator, unless the drive belt is relatively new, it makes good sense to replace it. The process for removing a thermostat and replacing it in a 1987 Buick LeSabre is similar to that for most cars. So follow either method or take it to a dealer, putting the belt back on is not good enough. It helps to unscrew the 3 13mm serpentine belt tensioner screw on the top end of it and take it out, so you have a little bit more access from the top to place the belts. 0-liter V6 engine used that year. In my opinion this repair has solved the Chrysler serpentine belt problem. If you can barely twist the belt at all from it's current flat position, the belt is too tight and should be loosened a bit. Re: Serpentine belt too tight? (i noticed that my serpentine belt is tighter than a frogs rear end), and you know this how? nevermind, i dont want to know.