When should you replace a serpentine belt?
When should you replace a serpentine belt?
How often does a serpentine belt need to be replaced? Serpentine belts are built to last—much longer than before because of advancements in rubber technology. Under ideal conditions, a belt should stick with you for an average of 60,000 to 100,000 miles.
What to do if your serpentine belt is worn?
A worn or damaged serpentine belt can fail to adequately transfer the power, leaving your alternator, power steering, and air conditioning failing to function. If your serpentine belt needs to be replaced, it can be done using only common hand tools. Pull the hood release inside the cabin of the vehicle.
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.
Is the timing belt the same as the serpentine belt?
No, a timing belt is not the same thing as a serpentine belt. A timing belt is used to synchronize the moving parts of your crankshaft and camshaft. Your serpentine belt as we previously discussed is used to drive the accessories of your car.
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.
A worn or damaged serpentine belt can fail to adequately transfer the power, leaving your alternator, power steering, and air conditioning failing to function. If your serpentine belt needs to be replaced, it can be done using only common hand tools. Pull the hood release inside the cabin of the vehicle.
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.
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.
What causes BMW 135i serpentine belt to sag?
The pulley would hit the subframe and shred the belt or break the pulley. This was caused by worn motor mounts, allowing the motor to flex and sag when accelerating. However, this issue only affected N54 cars produced up until 04/2008. Apparently BMW addressed the issue at that point.
