How do you remove a pulley from an alternator?
To remove the alternator pulley, use an impact wrench to loosen the nut with one hand, while holding the alternator pulley with the other. It is recommended that protective gloves and eyewear be used. The pulley nut uses standard, right-hand threads. So to remove, rotate in a counter-clockwise direction.
Can you swap pulleys on an alternator?
Use the proper alternator pulley type for the specific vehicle: solid pulleys, one-way clutches and overrunning alternator decouplers are not interchangeable. So it is vital that the new alternator pulley is the same type of pulley that was installed by the vehicle manufacturer as original equipment.
What does an alternator decoupler pulley do?
An OVERRUNNING ALTERNATOR DECOUPLER™ pulley helps “synchronize” the belt drive system for improved engine efficiency, reduced Noise/Vibration/Harshness (NVH) and increased component life. When an engine accelerates, the alternator’s mass creates resistance against the belt.
Does the alternator pulley spin?
OWCs rotate freely in one direction and lock immediately in the other direction; overrunning alternator decouplers (OADs) rotate freely in one direction and allow a small angular rotation in the other direction. It is also important to replace the overrunning alternator pulley when installing a new alternator.
Should an alternator spin smoothly?
It should turn quite easily but more important is it should be smooth. Very smooth. New bearings will sometimes feel a bit stiff and not turn freely because of the new seals and new grease that is in them. However that is ok as long as they are smooth.
Should the pulley on an alternator spin freely?
It should rotate smooth and free with no resistance or grinding.
How do you change the pulley on an internal fan alternator?
Install the new pulley, lock washer, and nut by hand. NOTE: Many internal fan alternators use a self-locking nut that does not utilize a separate lock washer. 3. Tighten the nut with an impact wrench until lock washer is completely closed and the nut is tight. Do not over tighten.
Is there an alternator pulley removal tool on Amazon?
Damaged&Stripped Screw Extractor Remover Tool and Drill Bit Set. Broken Bolt Extractor and Screw Remover Set of 6 Pcs . . Only 1 left in stock (more on the way). . . . Only 5 left in stock (more on the way).
What kind of pulley do I need for Denso alternator?
Do not over tighten. NOTE: Typical pulleys are designed for a standard 17mm alternator shaft. Powermaster’s smaller Denso racing units have a 15mm shaft and require installation of the adapter bushing supplied with all racing style alternator pulleys.
How do you change the pulley on a Powermaster?
These alternators have a spacer installed between the nut and bearing to hold the rotor forward, preventing the internal parts from becoming misaligned and rubbing. When installing the pulley, this spacer should be removed and discarded. 2. Install the new pulley, lock washer, and nut by hand.