How to change an alternator pulley-YouTube?
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Can a bad idler pulley cause rough idling?
A faulty idler pulley can be the reason behind rough idling. The pulley and serpentine belt are responsible for transmitting power to certain components including the alternator. If the idler pulley is not functioning properly, the alternator doesn’t recharge the battery enough so it doesn’t have enough energy to run the ignition.
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.
What happens to the idler belt when the car is running?
If you look at the belt when the car is running at idle, it moves quite smoothly along the system. When there is significant deterioration of pulley hardware, the belt moves from side to side.
When do you need to replace the idler pulley?
If it doesn’t, you probably need to replace the pulley. If you look at the belt when the car is running at idle, it moves quite smoothly along the system. When there is significant deterioration of pulley hardware, the belt moves from side to side. You will notice that it shakes or wobbles as it moves.
How can I tell if my idler pulley is frozen?
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.
If you look at the belt when the car is running at idle, it moves quite smoothly along the system. When there is significant deterioration of pulley hardware, the belt moves from side to side.
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.