Operation CHARM: Car repair manuals for everyone.

Compressor Pulley, Version 1






A/C Compressor



Compressor Pulley, Version 1

If overload safeguard of pulley triggers, check compressor for ease of motion before replacing the pulley, replace it completely if compressor moves with resistance.

To remove belt pulley, it depends on engine version if it is necessary to remove compressor from engine. Refer to => [ Compressor, Removing from Bracket, 6 Cylinder, 8 Cylinder MPI and 8 Cylinder Diesel ].

The compressor can be removed and installed from the bracket without opening the refrigerant lines on most vehicles except the 8 cylinder diesel.

Mark direction of rotation of ribbed belt using chalk or felt-tip marker before removing. Running a used belt in the opposite direction could destroy it.

Depending on engine and country version, different compressors are installed 6, 8, or 12 cylinder engine, gasoline or diesel engine. .

- Remove top engine cover in vehicles with 8 cylinder diesel engine.

- Remove noise insulation.

- Bring lock carrier into service position.

- Release tension on ribbed belt and remove it.

- Remove bolt - A - tightening torque 20 Nm.





To loosen and tighten bolt - A -, counterhold it at drive plate - B - using a commercially available pin wrench - C - (pin diameter 5.0 mm).

Bolt - A - is to be replaced because of locking compound.

Clean thread in compressor shaft before inserting new bolt.

If belt pulley cannot be removed with compressor installed, remove compressor from engine. Refer to => [ Compressor, Removing from Bracket, 6 Cylinder, 8 Cylinder MPI and 8
Cylinder Diesel ]

- Carefully and uniformly pry off drive plate - A - using 2 screwdrivers - B -.





Make sure that the collar for pulley - C - is not damaged when prying off drive plate - A -.

There are different versions of pulley - C - and drive plate - A -, therefore note the exact assignment. .

- Remove circlip - A -.





- Remove pulley - B -.

Replace circlip - A -.

When installing circlip - A -, note that it cannot be bent open more than is necessary for installation.

Insert circlip - A - on proper side, the side with beveled insertion edge - C - faces away from compressor install flat side facing compressor.

Ensure proper seating of circlip in groove on compressor flange.

Clean compressor flange before fitting the pulley on, pulley must be able to be fitted easily. fitting must be possible without much force.