What happens when you change the pulley on an alternator?
What happens when you change the pulley on an alternator?
Altering pulley sizes can cause the ratio of the crank and pulley bearing to become out of sync, drawing too much power from the alternator or not enough. Be sure that the alternator doesn’t call for an overrunning alternator decoupler (OAD) pulley. If so, replace it with one.
What are the symptoms of a bad throttle temp sensor?
Symptoms of a Bad or Failing Throttle Body Temp Sensor Common signs include poor engine performance, stalling, and broken electrical connections. A common problem that car owners experience is high or low engine idle. A damaged intake gasket, cold air intake, or PCV valve can cause idle issues.
Where is the alternator on the drive belt?
On other models, the alternator is on the bottom of the pulley system for the drive belt, in which case you must lift the vehicle. A Haynes repair manual for your specific vehicle will guide you through the alternator-removal process. In many applications, to replace the pulley will require the removal of the alternator.
Can a bad idle control valve cause stalling?
3. Engine stalling The idle control valve, also commonly referred to as the idle air control valve, is an engine management component that is found in one form or another on the majority of road going vehicles.
Why does my idler pulley make a rattling noise?
When your idler pulley is worn out and the grooves are not holding on to the belts well you will hear a squealing sound coming from the engine. If the bearings are worn out then they will make a rattling sound. At this point, you should stop your car and diagnose the problem. Most mechanics have a simple way of identifying a faulty pulley.
What happens when the bearings on the alternator go bad?
The bearings are inside the alternator and are what the rotor rotates on to create the power. Many times, the bearings will squeak or make a grinding sound if they are going bad. If that is the case, it is likely that you will have to replace the alternator. Turn off the engine and remove the key from the ignition.
What does serpentine belt on idler pulley do?
The serpentine belts do transfer power to the AC, Power steering, water pump and the alternator. This may differ a bit depending on what car engine you have. If the idler pulley starts malfunctioning then you are going to have problems with these accessories. The idler puller is consists of sheave with grooves from one end to another.
What causes the pulley on an idler to rotate?
The idler pulley consists of a pulley with grooves from one end to the other. The belts are placed along the grooves on the pulley. When power is supplied to the crankshaft, it rotates the tension pulley, which causes the belts to rotate.
