Do it yourself
Frequently asked questions about cars and motorcycles

How to Replace the Alternator Pulley

Model: (Various brands) Various
Part: Alternator

To replace the alternator pulley, you need to use a specific kit following the steps outlined below. Once the alternator is removed, secure it in a vice to hold it stable. To remove the pulley, you must use a specific kit that includes a torque wrench and another tool known as a 'multi-spline' key. Insert the torque wrench into the pulley to lock the main pin, while the 'multi-spline' key should be inserted into the friction pulley to hold it in place. Thus, use the torque wrench to secure the pin and the 'multi-spline' key to release the pulley.

Updated on 24 June 2026 by ScegliAuto

Video tutorial

Related tutorials

(Various brands) Various To replace the alternator pulley on a car, you need to completely remove the alternator from its housing by unscrewing the bolts that secure it in pl…
(Various brands) Various As shown in the video, removing the alternator pulley is a similar operation for all cars with some minor variations. Ensure you have a new pulley to…
(Various brands) Various To replace the alternator pulley without the use of a kit, you need to have a nut of the correct size for the pulley shaft; a welder to attach the nu…

Other guides you may be interested in

How to Open a Stuck Boot on the Peugeot 407?

On the Peugeot 407, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In such cases, you can perform an emergency opening by following the simple procedure shown in this tutorial. First, open the rear doors, then lower the seat back by operating the release lever. Next, go inside the boot, locate the lock, and manually operate it using a flathead screwdriver. The boot will then be free to open.

Watch the video!


by ScegliAuto

More videos