How do you remove a serpentine belt from a jeep?
While the tension is removed from the belt, pull the belt towards the front of the vehicle (shown by green arrow below) and slip it off of the tensioner. If you have difficulty slipping the belt off of the tensioner, try to slide it off of one of the many other pulleys instead. Step 4 Now you can release pressure on the tensioner.
How do you change the belt tension on a Jeep Grand Cherokee?
For some older 6-cylinder models, the belt tension system is different. On these models, change the tension on the belt by loosening the two power steering bolts on the side of the power steering pump, then turn the adjustment bolt below the pump counter-clockwise to release tension on the belt.
How do you check the tension on a serpentine belt?
Check the belt tension by looking at the tensioner arm—the mark cast into the tensioner body will fall between the high and low marks if the belt is the correct part number and is installed properly. Torque the new tensioner to the specified degree of tightness. Yes, that means with a torque wrench, not your carefully calibrated elbow.
How often should I replace my serpentine belt?
The manufacturer recommends checking the serpentine belt every 7,500 miles or 6 months for potential replacement due to normal wear. Find the belt tensioner pulley. The tensioner pulley is generally between the crankshaft and a component toward the top of the hood area. Check the belt routing so you know how to replace the belt.
How to replace the serpentine belt in a Jeep Grand Cherokee?
Rotate the belt tensioner pulley, using the wrench, to and relieve tension on the belt. Slip off the old belt and slowly release the tensioner pulley. Use your belt routing diagram to put the new belt onto all of the pulleys. Pay close attention to the water pump pulley, as incorrect routing can cause the water pump to run backwards and overheat.
The manufacturer recommends checking the serpentine belt every 7,500 miles or 6 months for potential replacement due to normal wear. Find the belt tensioner pulley. The tensioner pulley is generally between the crankshaft and a component toward the top of the hood area. Check the belt routing so you know how to replace the belt.
Where to find belt routing diagram on Jeep?
Now, locate your “Belt Routing” diagram, which is a decal that should be affixed to the top of the radiator or on the sheet metal under the hood somewhere quite visible. After finding the routing decal, locate belt tensioner.
How do you change power steering belt tension?
On these models, change the tension on the belt by loosening the two power steering bolts on the side of the power steering pump, then turn the adjustment bolt below the pump counter-clockwise to release tension on the belt. Follow the above steps for replacement using this alternate system.
How do you remove a pulley belt from a car?
With the tension relieved from the belt, pull it off of the pulley that has been placing tension on it, then remove it from the around the rest of the pulleys on the engine. If the belt is severely damaged, be sure to remove any parts that may have come off of it as well. Compare the new belt to the old one.
What to do if your belt is loose after routing?
If the belt is loose after routing it, it is either the wrong size belt or you’ve routed it incorrectly. Apply pressure on the auto tensioner and put the belt over it. Use the same wrench to loosen the auto tensioner pulley, then pull the belt over it. Once the belt is in place, release the pressure on the tensioner so it holds the belt in place.
How is the tension of the serpentine belt adjusted?
In traditional car designs, the tension of the serpentine belt is usually governed by a generator placed near the engine. To adjust the tension in the belt, the generator needs to be moved towards or away from the engine, and the belt is adjusted by tightening or losing the pivot screws on the generator.
What’s the best way to check a serpentine belt?
Pull the one half of the pulley out. With the help of spanner or similar tool, rotate the screws clockwise and anti-clockwise on the pulley to adjust the tension on the belt. Check the tension by twisting the belt and measure the twist margin. If the tightness of the belt is right, tighten the screw in place to assert the firmness.
Why does a serpentine belt make a noise?
The tension in the serpentine belt is the main factor responsible for its operation. In case you miss to get the right tension on the belt, it is sure to produce noise while in function. If ignored, the looseness will cause the belt to dislodge, and extra tension will lead to exertion and excess wear of belt.
What happens when you tighten a serpentine belt?
Listen specifically for whining coming from the alternator. If you notice any whine or “pulsing” sound from the alternator, your belt tension is too tight and will damage the alternator. In this case, turn the adjustment screw counterclockwise to loosen the belt and recheck the tension. Do a final check.
How do you take a serpentine belt off a car?
(There is often an idler pulley in the system which looks rather similar to the tensioner pulley — but it is not a tensioning device, not spring loaded). After letting the engine cool thoroughly, use one of the tools mentioned below to pivot the tensioner pulley to take the tension off the belt.
What are the components of a serpentine belt?
Some of the components driven by a serpentine belt are an air pump, water pump, power steering, air conditioner, and most importantly the alternator. The Serpentine belt is controlled by either a serpentine belt tensioner or an idle pulley. How does a serpentine belt differ from traditional belt driven engines?
Listen specifically for whining coming from the alternator. If you notice any whine or “pulsing” sound from the alternator, your belt tension is too tight and will damage the alternator. In this case, turn the adjustment screw counterclockwise to loosen the belt and recheck the tension. Do a final check.
How do you remove a belt from an auto tensioner?
Hold the tension from the belt, and slip the belt off the auto tensioner pulley to remove the belt and pulley system. Slowly release the tension to avoid damage or injury, and then remove the tool from the belt auto tensioner.
What’s the best way to loosen a pulley belt?
Try both directions, which will require you to flip the selector on the wrench to the opposite direction (so you can loosen or tighten). The tensioner will move only in one direction, and when moved will release its grip on the belt. Make sure you study how the original belt wraps around the various pulleys.
While the tension is removed from the belt, pull the belt towards the front of the vehicle (shown by green arrow below) and slip it off of the tensioner. If you have difficulty slipping the belt off of the tensioner, try to slide it off of one of the many other pulleys instead. Step 4 Now you can release pressure on the tensioner.
How often should a serpentine belt be replaced?
Water pump and cooling fan (for vehicles not equipped with an electric cooling fan) Power steering pump (to give you power-assisted steering if you have it) On most vehicles that are driven regularly, belt replacement every 30,000 miles is almost TOO frequent.
What to do if your belt tension is too tight?
Do a secondary check of the belt tension. To do this, turn on the vehicle and examine the belt in motion. Listen specifically for whining coming from the alternator. If you notice any whine or “pulsing” sound from the alternator, your belt tension is too tight and will damage the alternator.
How much does it cost to replace a serpentine belt?
A serpentine belt costs 20$ to 50$ and labor costs 40$ to 100$. You can expect a total cost of 60$ to 150$ for a serpentine replacement. However, what needs to be mentioned is that usually, when you replace the serpentine belt, you often want to replace some pulleys and the automatic tensioner if your car is equipped with one.
What causes a serpentine belt to wear out?
Check under your hood or in your owner’s manual for a diagram about where to find your serpentine belt and how it is routed. Serpentine belts break or wear out for a variety of reasons. Air compressors can seize, causing friction and heat, or belts can break with age and use.
What do you need to check serpentine belt?
Get the belt looped onto all but one pulley. You’ll need your ratchet to turn the belt tensioner enough to get the belt around the last pulley. Once the belt is in place, check it at each pulley to make sure it’s properly seated to avoid abnormal wear. Now you can remove your ratchet.
What kind of pulley does a serpentine belt use?
Determine if there is a belt tensioner pulley. Depending on the application, your serpentine belt will either have tension placed on it using a movable bracket or an auto tensioner pulley. This pulley uses an internal spring to apply consistent pressure to the belt at all times.
Where do I find the serpentine belt routing diagram?
Find the serpentine belt routing diagram. Many cars come with a sticker in the engine bay that shows exactly how the serpentine belt is supposed to be routed through the various pulleys on the engine. If your vehicle does not have a sticker, you will need to find another way to remember how the belt should be run.
With the tension relieved from the belt, pull it off of the pulley that has been placing tension on it, then remove it from the around the rest of the pulleys on the engine. If the belt is severely damaged, be sure to remove any parts that may have come off of it as well. Compare the new belt to the old one.
When do you know you need to replace your belt tensioner?
If you notice that there is resistance, roughness, or noise every time you turn the pulley, then there’s a chance that the problem is in the pulley bearings. You might think of replacing only the pulley bearings in this case. Mechanics will tell you to replace the entire belt tensioner system.
What does the pulley on a belt tensioner do?
The pulley is what allows the movement of the drive belt. The spring keeps the drive belt in its correct tension. The tensioner arm is a mechanism that allows for the adjustment or the removal of the drive belt. It delivers enough slack on the drive belt for easier adjustments. The base is what holds all the different parts together.
What does the fan belt on a jeep do?
This belt is also known as the “accessory belt” or “fan belt” and it is a way to transfer power from the rotating crankshaft to drive necessities/accessories such as: Alternator (for charging the battery and keeping your electrical system running)
Can a pulley belt be tightened with a serpentine belt?
Previously, these systems used multiple belts on pulley systems with a number of ways to manually tighten the belts. The serpentine belt system consists of only one belt and one automatic belt tensioner. The process is often tricky with various manufacturer’s designs, but is not very difficult and may be done using basic hand tools.
How are serpentine belts used in modern cars?
Learn more… Today’s modern vehicles use a serpentine belt to drive the air conditioning system, alternator, water pump, smog pump and power steering pump. Previously, these systems used multiple belts on pulley systems with a number of ways to manually tighten the belts.
How do you adjust the tension on a serpentine belt?
To adjust the tension of the belt in the pulley system, reach out to the tensioner pulley. Take the help of manufacturer manual to guide you through the parts of the engine system. Pull the one half of the pulley out.
What is the serpentine belt in an engine?
Serpentine Belt, as you may have heard of, is a robust rubber belt of exclusive high quality. It is a crucial part of almost every engine system. The operation and working of some of the major parts of the engines system like an air pump, water pump, air conditioning compressor, power steering pump depend on the serpentine belt.
How often should a serpentine belt be checked?
If somehow the tension in the belt is not proper, its operation is going to consume more power. That will definitely halter the overall performance, efficiency, and experience of the vehicle. Therefore, the tension of the belt should be checked frequently – may be in a fortnight or monthly, along with its general condition.
How do you check the tightness of a belt?
Check the tension by twisting the belt and measure the twist margin. If the tightness of the belt is right, tighten the screw in place to assert the firmness. Put the cover of the pulley back in place.
How is the tension set on a serpentine belt?
Depending on the application, your serpentine belt will either have tension placed on it using a movable bracket or an auto tensioner pulley. This pulley uses an internal spring to apply consistent pressure to the belt at all times. If your vehicle does not have a tensioner pulley, the alternator bracket is likely how tension is set on the belt.
Water pump and cooling fan (for vehicles not equipped with an electric cooling fan) Power steering pump (to give you power-assisted steering if you have it) On most vehicles that are driven regularly, belt replacement every 30,000 miles is almost TOO frequent.
Can a rubber serpentine belt crack and dry rot?
With age, your rubber serpentine belt will begin to crack and dry-rot, and could possibly break at the worst possible place. This belt is also known as the “accessory belt” or “fan belt” and it is a way to transfer power from the rotating crankshaft to drive necessities/accessories such as:
Where do I find the serpentine belt on my car?
To access the serpentine belt, you will need to open the hood of the vehicle. The hood release can usually be found near the door on the driver’s side of the vehicle. With the hood released, you will also need to release the safety latch located at the front of the vehicle.
What happens if a serpentine belt goes bad?
The serpentine belt in most modern vehicles transfers power from the crank pulley to the various accessories mounted on the engine. A worn or damaged serpentine belt can fail to adequately transfer the power, leaving your alternator, power steering, and air conditioning failing to function.