Operation CHARM: Car repair manuals for everyone.

Removing and Installing the Viscous Clutch

Removing and installing the viscous clutch





1 Snap ring
2 Supporting ring
3 Viscous clutch

Removal
1. Remove cardan shaft.
2. Remove final drive at the front.





3. Clamp final drive into the vice with special tool VW 457, drain oil and remove the long-neck pipe.
A Special tool VW 457
4. Remove snap ring and take out viscous clutch with supporting ring.

Installation
Install in reverse order, observing the following points:





1. Insert supporting disc and fit snap ring with special tool 9638.
A Special tool
B Snap ring
2. Always replace O-ring for long-neck pipe and coat with Vaseline.
3. Uniformly tighten fastening screws for long-neck pipe in diagonally opposite sequence.
4. Fill in oil for final drive (see Serv. No. 399055).





Tightening torques