How to replace serpentine belt tensioner and idler?
Also, there are at least three different belts available for the Jetta ALH so make sure to get the right one there is a ten mm difference in the belt sizes. And they are a tiiiight fit. And you need to seat the belt on theadd and alt and then reinstall the pulley and route the rest of the belt.
What causes a belt to slip on an idler pulley?
A tensioner is used to maintain tension and when it seizes up or wears, tension is lost. The belt may start slipping off the pulley or slip off completely. In both cases it causes the belt to wear out faster. To solve this problem, replace the serpentine belt and the tensioner.
Is the old idler pulley due for replacement?
The old idler pulley was definitely due for replacement, too. It sounded gritty spinning in hand and had noticeable side-to-side play and it rattled loudly if you shook it gently. Hey, and I’m no longer a newbie!
When do I need to replace my serpentine belt?
Generally, if the belt breaks, the car will stop running. Regular wear and tear: Wear and tear is inevitable. Your serpentine belt will need to be replaced at some point. Exactly how long you have depends on what material it is made from and how old your car is.
A tensioner is used to maintain tension and when it seizes up or wears, tension is lost. The belt may start slipping off the pulley or slip off completely. In both cases it causes the belt to wear out faster. To solve this problem, replace the serpentine belt and the tensioner.
What to do if your idler pulley is frozen?
This is a frozen pulley. To confirm if your idler pulley is frozen, you have to slip the belt off the pulley. Before you start, make sure the engine is off and the keys are not in the ignition, just to make sure no one attempts to turn on the engine.
Generally, if the belt breaks, the car will stop running. Regular wear and tear: Wear and tear is inevitable. Your serpentine belt will need to be replaced at some point. Exactly how long you have depends on what material it is made from and how old your car is.
Where does the energy from an idler pulley come from?
Energy produced by the engine comes as a result of linear motion (up and down movements of pistons) but it has to be converted into rotary motion. It is drive belts like the one on an idler pulley which transmit rotary motion from the engine crankshaft into power which can be utilized by these components.