Volkswagen Passat 1995 Official Factory Repair Manual page 3431

Rear axle, servicing (four wheel drive vehicles)
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.42.3
Fig. 9 Final drive, removing and installing
from axle beam
Removing and installing viscous coupling
Repair Manual, 5 Spd. Manual Transmission 02A;
Repair Group 39
Tightening torque -A-: 45 Nm (33 ft lb)
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12/7/2004