A new belt is defined as a belt that has been in service less than 5 minutes. Wiki User 01/03/2008. In this video, we're going to show you how to replace the serpentine belt tensioner on this 2005 Silverado with the 4. How to Replace a Serpentine Belt: Video tutorial on how to replace a serpentine belt on a vehicle. The belt should be tight and snug in place. 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. Although most late-model belt drive systems use a single belt, some applications also may have a separate belt for an accessory such as the A/C compressor or power steering pump. To remove the tension from the serpentine belt, thread a M8x**x1. We are a tight knit community of like minded enthusiasts who value "on topic", clean discussion. The diagrams are for both,with and without AC models. > Kind of tight in there between the radiator and the front of the > engine. How to Replace a Power Steering Belt. When something goes wrong, it is often the tensioner that’s the cause and not the timing belt itself. The required measure of tension in the serpentine belt is that it should not deflect more than ½ inch when twisted either way from the middle. It should be relatively difficult to turn and become very difficult to turn once you approach 90 degrees (perpendicular). Just one tool and a new belt is all you need to do this job. On the way back from the shop the PS belt started screeching loudly. This is because the alternator puts quite a load on the belt when it is charging the battery. Shiny, smooth streaks or gouges in tensioner housing or arm. Just wanted you to know I found a super simple way to do it. The serpentine belt on my Chevy Astro van keeps breaking. Timing Belt Replacements & Timing Chain Replacements Auto Service Experts San Antonio Automotive Repair Shop. The manual only mentions inspection of the serpentine belt. If twisted more, the belt is loose, and if twisted less, the belt is too tight. Remove the serpentine belt. 3-liter so, the procedure's the same for any Silverado or Sierra with the 4. next unscrew tensioner strap slackened. V-belts should be replaced every three years or 36,000 miles. That includes power steering, air conditioning compressor, alternator, and of course the water pump. Your serpentine belt is like one giant, fast-spinning rubber band. Often times you can just look at the belt’s ribbed side to see if there are cracks or any missing portions: it’s a sign that it needs to be replaced. Replaced two ps belts, adjusted the serpentine a zillion times. Or actually how Loose ? thank you very much. 06 Pontiac G6, 2. 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. Belt dressing only causes the neoprene to swell for a short period of time. Always inspect the belt along the longest run and around an idler pulley that makes contact with the smooth side of the belt. It will be quite tight. 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. Changing the serpentine belt is one of core maintenance items on any F-150 or F-250. Using a 15mm socket, "tighten" the bolt on the belt tensioner to swing it down. Then it is back to the squealing sound as the pulley bottoms on he belt. If the belt is not as tight as it should be, more than likely, the tensioner's internal spring load has failed, and it will need to be replaced. Tighten the tension and the bolts in place. V-Belt - More often known as fan belts, the v-belt is used in some cars to provide power to the engine, alternator, power steering, and other associated parts. For instance, a serpentine belt often drives the air conditioner compressor, alternator and power steering pump. Solution: If tensioner arm misalignment is apparent, the pivot bushing has worn down and the tensioner should be replaced. Step 1: Locate the drive belt tensioner. To replace the tensioner, remove the mounting bolt. belts should be tightened until you can just twist the belt 90 degrees with your fingers. 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. The cracks are going to be on the inner surface of the serpentine belt so you need to remove the belt to see them. 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. How to Replace the Serpentine Belt on a Saab 9­3 Saab indicates a 60k mile replacement interval for the serpentine belt. Hiring a mechanic to replace a serpentine belt typically costs about $60-$200 or more. it time to buy a new beltHow to tighten the fan (serpentine) belt. Serpentine belt noise means that a change in the belt's operating conditions is causing the belt's rubber to slip over one or more pulleys, making it screech—more on this in the section below. He asked if I used an OEM belt. You will need to replace it in case of any damage, or extremely tight or loose connections. Check the tension of the belt periodically. Yes, you do have a seperate belt for AC, so don't think you are looney. The belt should become snug. How to replace the serpentine belt on a 1. How to Replace the Serpentine Belt on a Saab 9­3 Saab indicates a 60k mile replacement interval for the serpentine belt. When we are looking for the most suitable serpentine belt for your automotive engine, Bando 6PK2135 OEM Quality Serpentine Belt can be the best choice for you. I called Gates technical support and they assure me this is the correct belt. Either way, this is certainly one of the cheaper components of an engine that you will ever have to replace. Changing the drive belt is something you can do at home without the need of a professional mechanic. When you release the 17mm nut, the belt tensioner should not move. It needs to have the exact or similar tension as the old belt. Aside from the serpentine belt and the pump, the system contains hydraulic power steering fluid which works alongside the piston so that you can easily turn the wheel with little resistance. 0t FSI Serpentine Belt Removal. Your belt tensioner, which keeps the serpentine belt tight, has the same service life as the belt itself so they should be replaced together along with the idler pulleys. it time to buy a new beltHow to tighten the fan (serpentine) belt. And there should be a belt routing diagram under. Each model will be different. but because of shock loading and relatively tight drive geometry, we. V-Belt - More often known as fan belts, the v-belt is used in some cars to provide power to the engine, alternator, power steering, and other associated parts. Some model vehicles have the serpentine belt easily accessible, which means the labor should take under one hour. The belt is not specific to any manufacturer's brand. LOL I always thought and still do that the system should be more than one belt. No need to spend a day at the shop when you can replace your belt in 15 minutes at home. Place the ruler along the belt and try to pull the middle of it away from the ruler. Installation is the reverse of taking it off. Even if you know almost nothing about cars you can easily learn how to replace a fan belt. Slide the belt through there and your good. 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. I recently installed a new Gates serpentine belt because the old belt started squealing. In addition to belt wear, the pulleys, bearings and seals can all be damaged by inattention to basic installation requirements. That car has a V-belt to the AC, and a Serp belt for everything else. Now you can use a 3/8 wrench on the tension pulley to remove the old belt and place a new belt on. Most serpentine or single belt systems use an automatic belt tensioner which is just an idler pulley on a spring loaded arm. How to replace the serpentine belt on a GM 2. The most common reasons for belt failure are improper belt tension (too loose or too tight), poor alignment, pulley damage or distortion, environment (excessive heat and ozone), and using an. It's really simple and only takes a few minutes to accomplish. If the truck has set for a long time, it's possible that the tensioner has rusted solid. 3) an idler pulley is presenting resistance and not turning as fast as the belt 4) One of the drive units is out of alignment. 0t FSI Serpentine Belt Removal. Now I wonder how to >adjust the tension and how tight to make it. You'll want to replace every 50,000 miles. Stretch belts cannot be reused and are designed for one use. The new serpentine belt is 6 ribs and should be stronger and last longer than the 4 ribs belt. 1 cause of belt noise is misalignment. Even if you know almost nothing about cars you can easily learn how to replace a fan belt. Sometimes the belt will begin to squeal a few days after installation. Either way, this is certainly one of the cheaper components of an engine that you will ever have to replace. Mini Cooper 2001-2006: How to Replace Serpentine/Supercharger Belt. Be sure the belt is tracked appropriately. Make sure the pulley is aligned straight and tighten the screws until hand tight Contact the manufacture of your product to check the torque settings of the bolt. 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. 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. Belt tensions should also be adjusted to belt type, size, speed, and pulley diameters. Personally, I just tighten it a bit, then I start the car, turn on EVERYTHING, A/C, windshield wipers, lights, radio, ect. This belt was the perfect fit and sized very closely to the original. While incredibly difficult to access and install in my particular car, the belt itself fit great and my steering is smooth and quiet again! Since my car uses a separate serpentine belt for the alternator, I picked up and replaced that one as well. If the truck has set for a long time, it's possible that the tensioner has rusted solid. How to replace the serpentine belt on a GM 2. 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. Jeep Grand Cherokee 1993-1998: How to Replace Serpentine Belt The serpentine belt uses the engine rotation to turn the power steering, alternator, and air conditioning. A very tight belt would put pressure on and damage the parts in the assembly, whereas a loose belt would not allow the parts to run firmly. the water test on the belt made no change in sound so i don't think it's a belt. The serpentine, or s-belt, has greatly simplified the operation of under-hood pumps and pulleys. How tight should my belts be? I don't have any sort of "tool" for measuring tension. Serpentine belts are a great invention but unfortunately they drive everything on a modern engine which places a lot of load on them. Serpentine belt I was changing my oil yesterday (easy task on this car, but the car being so low to the ground made for tight quarters) and was thinking How does one go about replacing the serpentine belt?. 0L turbo cars are tighter to get to. So I'm assuming serpentine belts should err on the side of being tighter rather than looser. Nissan suggests checking these belts every 6,000 miles or 6 months. Installation is the reverse of taking it off. 3-liter so, the procedure's the same for any Silverado or Sierra with the 4. How to change the serpentine accessory belt on the 1. I got an OEM belt and no squeal. Its surprising how tight these polygrove belts need to be and many people have them way under-tensioned. The timing belt tensioner is what applies pressure to the timing belt, keeping it tight and running smoothly. > I'd like to replace the serpentine belt on my 2000 300M. How to Replace the Serpentine Belt. Using a serpentine belt tool to loosen the tensioner and a belt placement tool to position the belt, we completed the entire job in less than 15 minutes, without breaking a sweat (or a knuckle). Sounds– You may hear the serpentine belt squeal when you start the engine. If the tension drops below the used belt tension, then the belt should be re-tensioned according to the RETENSION amount. This is pretty much what you would be looking for: Ford 289 302 Serpentine Conversion Kit Billet Aluminum Pulley Bracket Alternator | eBay or this:. Our Reviews. It powers the alternator, mechanical fan, A/C compressor and Power steering. If your belt is too tight, you could shear the bolts of the pulleys, or the belt itself might break off while you are driving. Directions 360-326-2045. Chevrolet Silverado 1999-2006: How to Replace Serpentine Belt. Remove the belt from the other pulleys Reverse the process for installation. How to Make your Own Pulleys First you need a to cut a circle out of wood, thick enough to hold the belt - in the case of an A/4L series belt, at least 5 / 8 ". Tighten C until belt is tight. The largest hash is the position of the tensioner with no tightening. Timing belt or timing chain,what is a timing belt or timing chain, what is valve timing, timing belt and timing chain repair,change timing belt,timing chain replacement,water pump timing belt,diagnosis,Symptoms of a bad timing chain or timing belt,don't bend valves!. It might be a little extra labor, but changing the water pump when you go to replace the timing belt in your Porsche 928 will save you a ton of time and money later on down the road. Use a pry bar to push down your alternator which will tighten up your serpentine belt and then fasten the adjusting and pivot screws to secure it. Aside from the serpentine belt and the pump, the system contains hydraulic power steering fluid which works alongside the piston so that you can easily turn the wheel with little resistance. Often, a worn belt makes a squealing noise for 1 or 2 minutes after the engine starts. The diagrams are for both,with and without AC models. To prevent the timing belt from failing, the timing belt, tensioner and idler pulleys should be replaced every 50 to 70,000 miles. When the air conditioner is engaged, a squeal will be obvious if the serpentine belt is worn and slipping, if the belt tensioner is malfunctioning or if the clutch bearings in the compressor are going bad. This vehicle, like I said, has the 4. Indeed, it is conceivable that its size may be smaller than prescribed and cause the entire system to overvoltage, resulting in this whistling noise or slight rolling noise. Serpentine belt noise means that a change in the belt's operating conditions is causing the belt's rubber to slip over one or more pulleys, making it screech—more on this in the section below. Stop by your Local NAPA AutoCare Center and ask your Service Advisor if it's time to replace your serpentine belt. I tried to put the belt on in according to the diagram. Install the engine cover, and tighten the intake tube's screw. Highly Styled, Low Cost Serpentine Drive Installation Instructions Style Track Chevy Small Block Kit #21100 (without Power Steering) and #21150 (with Remote Power Steering) and #21155 (with Saginaw Power Steering) Pro-Track Chevy Small Block Kit #21115 (without Power Steering) and #21120 (with Remote Power Steering). 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). Skip to content. Based on serpentine belt reviews, it doesn't loose from at once and will serve you for many years. I mentioned this to a cousin who was a Honda dealer mechanic. If the belt is too tight to twist between the pulleys it is too tight. That includes power steering, air conditioning compressor, alternator, and of course the water pump. Sometimes the belt will begin to squeal a few days after installation. Next, remove the original alternator or generator pulley and replace with a 5-rib serpentine belt pulley. The Chrysler town and country has driven through puddles that they should have turned around and not gone through. 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. But, compared to a simple belt which you just slide over two pullies and tighten, you need to have a schematic to fix a serpentine belt properly. In my opinion this repair has solved the Chrysler serpentine belt problem. How Do You Change A Serpentine Belt On 2004 Ford Explorer? Maintenance & Repairs. A v-belt tension checking tool can also be used to check the tension of the belt. the FSM says with about 20lbs, the belt should deflect about 8mm or so. It is generally separate from the belt that drives the water pump and alternator, but it may drive other components as well as the power-steering pump. The most common reasons for belt failure are improper belt tension (too loose or too tight), poor alignment, pulley damage or distortion, environment (excessive heat and ozone), and using an. As you spin engine (this step takes two people), twist belt where it starts to go onto compressor pulley. ? no you not tighten a serpentine belt. On serpentine systems, the idler pulley should automatically take care of this. The spring tension causes torque on the arm of the idler pulley which pushes on the belt and should keep it at the proper tension. As you can imagine, that puts a lot of wear and tear on the belt. There is a trick to the CR-V's serpentine belt. Moreover, there's the danger of the belt flying apart, possibly taking out with it a sensor, wire or some other component. A serpentine belt lasts longer than traditional drive belts and is much easier to remove and install. conditions by the given belt size. Because of the design of serpentine systems, slippage should not occur with a good belt. How do I tighten the serpentine belt on a 2001 Ford Taurus? It has an auto tensioner that keeps the belt tight. It's really simple and only takes a few minutes to accomplish. Serpentine belts stretch with age and use, but the tensioner is spring-loaded to keep the belt tight on the pulleys. The Chrysler town and country has driven through puddles that they should have turned around and not gone through. And, like a rubber band, it must maintain a balance of flexibility and tension. If the belt is shown to be worn, either caused by excessive slipping or just normal long term operation, then the belt should be REPLACED rather than retensioned. Using a serpentine belt tool to loosen the tensioner and a belt placement tool to position the belt, we completed the entire job in less than 15 minutes, without breaking a sweat (or a knuckle). belts should be tightened until you can just twist the belt 90 degrees with your fingers. Hi, Sorry i rambled in my post. In some vehicles, the drive belt also serves as a timing belt, keeping. 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. Changing the serpentine belt is one of core maintenance items on any F-150 or F-250. 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. 3-liter so, the procedure's the same for any Silverado or Sierra with the 4. When a belt does fail, the most noticeable effects will be a loss of power steering and increasing engine temperatures; driving with a broken serpentine belt will cause the car to overheat. 3 vortec, They need to be tight to prevent the belt from wearing out too quickly. In other words this pulley has only one job, and that is to tighten the serpentine belt. So today I will endeavor to shed a little light on the subject. Note: The cars with belts that need manual tightening generally have multiple belts such as a AC belt and an alternator belt. The lifespan of a typical serpentine belt is about five years or 50,000 miles. Average cost to change the belt at the dealer or mechanic ranges between $100 and $250 for labor and parts. This is an important maintenance item to inspect at regular intervals to prevent problems. The serpentine and PS belts were also replaced. Not being able to turn a belt easily through 90 degrees means it would need to be crazy tight so just backed off enough so it can go through 90 degrees without a fight is still tight. Moreover, there's the danger of the belt flying apart, possibly taking out with it a sensor, wire or some other component. 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. Your tensioner is right down here. Stretch belts cannot be reused and are designed for one use. Serpentine belts can last for 100,000 miles. A fan belt failure is one of the few breakdowns you can fix. One of the routine maintenance items that you should perform on your MINI is the checking and replacement of your serpentine belt. I have 2005 cummins ISB 300hp with 21,000 miles. Labor costs are estimated between $52 and $67 while parts are priced between $34 and $39. To loosen a serpentine belt, first locate the belt tensioner—it's spring loaded and keeps the belt tight so use caution when working on it, being especially careful not to trap or injure your hand when you loosen it and the spring snaps back. However if developing the kit the size they send you may not be correct. the FSM says with about 20lbs, the belt should deflect about 8mm or so. 1st loosen the 19mm nut. Step 9 - Clean Up. If the old serpentine belt is still there, you'll now be able to see how it feeds around the pulleys. 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). It is generally separate from the belt that drives the water pump and alternator, but it may drive other components as well as the power-steering pump. Hey guys I have a Nissan Rogue 2009 that I took in for serpentine belt replacement since it started to show cracks. top width, 6 ribs; Multiple accessory; This is a high quality, direct fit replacement serpentine belt; Backed by 1-year, unlimited-mileage warranty. When I came out for a break I noticed large new oil spot on the ground coming from my car so I got a tow truck to take me to the mechanic. For instance, a serpentine belt often drives the air conditioner compressor, alternator and power steering pump. Not sure if this means your 2005 boat uses a different belt or if the new part number just reflects some other change in the serpentine belt itself? That's why you should solicit more knowledgeable people than me! Measured conventionally (outside circumference) my belt measures 88" long. He said sometimes it is best to go OEM and the serpentine belt was one of them. 0 liter engine. Good luck! Before you. the FSM says with about 20lbs, the belt should deflect about 8mm or so. Also inspect that all pulleys from where belt routes ,are proper and not worn out. 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. I checked the maintenance schedule, but never saw it as part of the standard 50k, 75k, 100k, etc. How to Replace a Power Steering Belt. This article applies to the Lexus ES (2007-2014). The drive belt may come off your riding lawnmower for a number of reasons, and the exact reason may depend on the mower's make and model. With a serpentine belt system, the belt is kept taut with a single spring-loaded tensioner. Serpentine belts are kept tensioned by a tensioner. If the old serpentine belt is still there, you'll now be able to see how it feeds around the pulleys. How to Replace Your Serpentine Belt But sometimes even the strongest belts fail and must be replaced. Use a ruler to check to make sure the belt is under the proper amount of tension. And, like a rubber band, it must maintain a balance of flexibility and tension. This is where preventative maintenance is your friend. How do I release the tensioner for the serpentine belt on a jeep? 2001 Jeep Wrangler with 4. Not sure if this means your 2005 boat uses a different belt or if the new part number just reflects some other change in the serpentine belt itself? That's why you should solicit more knowledgeable people than me! Measured conventionally (outside circumference) my belt measures 88" long. Jeep Grand Cherokee 1993-1998: How to Replace Serpentine Belt The serpentine belt uses the engine rotation to turn the power steering, alternator, and air conditioning. Although most late-model belt drive systems use a single belt, some applications also may have a separate belt for an accessory such as the A/C compressor or power steering pump. You didn't tension the belt enough when you refitted the alternator. 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. Useful operating life can be reduced by as much 80% by poor pulley alignment. If it is too tight it will put too much stress on all of the pulleys in the system and will cause one to fail over time. 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. Using a 15mm socket, "tighten" the bolt on the belt tensioner to swing it down. No need to spend a day at the shop when you can replace your belt in 15 minutes at home. Step 8 - Replace the Belt. Always inspect the belt along the longest run and around an idler pulley that makes contact with the smooth side of the belt. ok so about a month and a half ago i bought a 1989 ford ranger XLT single cab with the 2. The battery should have provided enough power to run the electricals for a while. any info would be very nice :)How to tighten the fan (serpentine) belt. Serpentine belt noise means that a change in the belt's operating conditions is causing the belt's rubber to slip over one or more pulleys, making it screech—more on this in the section below. This ratio changes with the angle of contact on. The shop explained they prefer not to over-tighten the PS belt on installation. The serpentine belt has a tensioner pulley, but the PS belt is tightened by hand. If the belt is shown to be worn, either caused by excessive slipping or just normal long term operation, then the belt should be REPLACED rather than retensioned. This article applies to the Lexus ES (2007-2014). It is more likely the belt is too loose and what you hear is the belt slapping. 825i serpentine belt squeals at startup When the Gator is cold, it squeals for a few seconds after startup. The serpentine belt should be replaced after the vehicle has covered a distance of 30,000 to 50,000 miles. Serpentine Belt Well, I got the new belt installed using your great write-up and NO MORE SQUEAK!! (knock on wood for now!) The write-up really helped, but you could have added that the engine cover is a little difficult to take off. Recently after replacing the serpentine belt in my 1992 MB 300TE 4matic, the bearings on the air pump failed. Place the socket end of the socket wrench over the wing-nut and turn clockwise Step 3. Your serpentine belt is like one giant, fast-spinning rubber band. According to the Car Care Council, V-belts should be replaced every four years or 36,000 miles (58,000 km), while serpentine belts are designed to last for up to 50,000 miles (80,000 km). Most cars have one or two drive belts. The bearing itself didnt make a noise, just the belt-drag on the pulley. I thought that after installing the new serpentine belt my troubles would be over, but my engine still squeals. If you can find some instructions on how to change the belt they should tell you how tight it should be, but if you can depress it more than half an inch with your fingers (when the engine is off, of course!!!) it's probably too loose. Knowing when to replace your serpentine belt can mean the difference between getting to where you need to be and getting nowhere as you look under your car’s hood in puzzlement. 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. If you can't twist the belt at all it is too tight. Its hardley broke in at 21K miles but when u see cracks evry 3/4 inch and or can by hand turn the belt sideways by using a tumb and finger with little efort change it. That completes a successful serpentine belt change. This one long belt runs every engine-driven accessory, including the water pump, alternator, a/c compressor and power steering pump. Not too loose or over tight. Next, tighten the strap. We're sure this How to Replace a Serpentine Belt article will help you get your car back on track!. 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. So today I will endeavor to shed a little light on the subject. If both are original and 10 years old, would replace both! In most cases, when you need anything engine/chassis related, go to either an engine or chassis dealer, NOT RV dealer. The belt is worn, loose or been exposed to anti-freeze. The power steering belt assists more than just the power steering. This is because the alternator puts quite a load on the belt when it is charging the battery. How to Quiet a Noisy Drive Belt. The serpentine belt powers every accessory on the engine. It will be quite tight. 3l Engine That Is. Extreme weather conditions, especially dry heat, along with dirt and sticks thrown up by the tractor can cause wear and tear on your belts. With a serpentine belt system, the belt is kept taut with a single spring-loaded tensioner. Next, tighten the strap. It is an easily available auto part. And that's your ante-up into the car maintenance game. As power transmission experts for over a century, Gates is driving your vehicles’ belt drive with our automotive V-belts for your passenger cars, light duty trucks, and personal vehicles. 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. Keep reading for the step-by-step guide. Most serpentine or single belt systems use an automatic belt tensioner which is just an idler pulley on a spring loaded arm. LOL I always thought and still do that the system should be more than one belt. Place serpentine belt back around crankshaft and see again "How to Replace the Serpentine Belt" on how to tension the serpentine belt. The belt itself is driven by a pulley installed on the engine crankshaft. So I'm assuming serpentine belts should err on the side of being tighter rather than looser. If the belt fails and breaks, you can't go anywhere because you'll lose your alternator. The belt is not specific to any manufacturer's brand. 19) Connect battery. How long should a serpentine belt last? I have a 2007 Toyota Yaris My car started this screeching when I would start it and I was told that the serpentine belt needed to be replaced, so I did get it replaced about 6 months ago, but now the car is starting to screech again when I start it. If the belt is too tight to twist between the pulleys it is too tight. A serpentine belt lasts longer than traditional drive belts and is much easier to remove and install. The serpentine belt should be replaced after the vehicle has covered a distance of 30,000 to 50,000 miles. Alternator was dead, power steering wasn’t working and so on. You also need to get quite a lot of stuff - like the radiator fan - out of the way to reach it and to put it back in place. I am replacing the serpentine belt on my Mustang and see what appears to be the belt tensioner but can't see you you can release the tension to install a new alternator. how do i tighten the belt, and if it doesnt work how do i replace it. The serpentine belt is vital to your engine working right. Hiring a mechanic to replace a serpentine belt typically costs about $60-$200 or more. Yes, you do have a seperate belt for AC, so don't think you are looney. This is the procedure for replacing the simple serpentine belt on a 2003-2009 Toyota Sienna with the V6 3. Look at the tensioner and you should see some hash marks. The belt should become snug. 3110 NE Minnehaha St. it time to buy a new beltHow to tighten the fan (serpentine) belt. A serpentine belt lasts longer than traditional drive belts and is much easier to remove and install. Your engine should have run for quite a while even after the serpentine belt snapped. The belt tension should be absolutely right. (when installing a belt, the alternator pulley will be the last pulley that you slide the belt onto. So I'm assuming serpentine belts should err on the side of being tighter rather than looser. e) As a general rule, you should be able to lift the belt in the center on the side by approximately 2" to 3". How to tighten serpentine, fan, alternator belt on Ford Focus 1999 2. How do I tighten the serpentine belt on a 2001 Ford Taurus? It has an auto tensioner that keeps the belt tight. Hi All, Does anyone have the step by step instructions on how to replace the Serpentine Belt? I want to do my own but do not want to reverse the belt pattern or pull the wrong pulleys to loosen the belt. ? no you not tighten a serpentine belt. Glazing on the edges, ridges, or grooves of the belt is caused by the belt slipping. So follow either method or take it to a dealer, putting the belt back on is not good enough. How to change the serpentine accessory belt on the 1. Hi, Sorry i rambled in my post. I did this on a vs ecotec not sure if its the exact same with other models (vn, vp vr, vt). 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.