How do you remove the alternator pulley on a VW Beetle?

How do you remove the alternator pulley on a VW Beetle?

To remove the old alternator pulley, first remove the nut holding the pulley to the alternator shaft. Do this by inserting the blade of a flat-blade screwdriver through the cutout in the front half (front is front) of the pulley and brace it against the generator/alternator housing bolt to keep the pulley from turning.

Can you shim an alternator pulley?

Shims will do the trick. Sometimes alternators come them already. You pretty much use however many you need.

What do I need to tighten an alternator pulley?

Tighten the nut with an impact wrench until nut is tight (about 70 ft-lbs). The lock washer must be completely closed. Do not over tighten. NOTE : Many internal fan alternators use a self-locking nut that do not use a separate lock washer.

How do you change the nut on a pulley?

The pulley nut uses standard, right-hand threads, so to remove, rotate in a counter- clockwise direction. 2. Install new pulley, lock washer, and nut by hand. 3. Tighten nut with impact wrench until lock washer is completely closed and nut is tight.

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.

Tighten the nut with an impact wrench until nut is tight (about 70 ft-lbs). The lock washer must be completely closed. Do not over tighten. NOTE : Many internal fan alternators use a self-locking nut that do not use a separate lock washer.

Where is the fan belt on a VW alternator?

First of all you need to disconnect the fan belt which connects the top pulley (on the end of the Dynamo) to the crankshaft pulley. Most pulleys have a notch in the back of them that will allow you to use a flat head screw driver to lock the pulley against the Dynamo so you can undo the pulley nut.

The pulley nut uses standard, right-hand threads, so to remove, rotate in a counter- clockwise direction. 2. Install new pulley, lock washer, and nut by hand. 3. Tighten nut with impact wrench until lock washer is completely closed and nut is tight.

What to do with Aircooled alternator in VW?

If you are using your original fan then take the unit over to a vice on your work bench. Clamp the Dynamo in the vice and lock the front pulley as before with a screwdriver in the slot. Using a 36mm socket undo the nut holding the fan onto the end of the Dynamo.