Volvo Workshop Manuals
V70 XC AWD L5-2.4L Turbo VIN 56 B5254T (1998)
Transmission and Drivetrain > Differential Assembly > Viscous Coupling, Differential > Component Information > Technical Service Bulletins > Customer Interest for Viscous Coupling: > 4460001 > Feb > 00 > Rear Axle/Final Drive - Whining Noise > Page 4970
Raise the car.
The vibration damper must be installed on the viscous coupling housing mounting on the underbody.
Removing the viscous coupling housing
Install a transmission jack as a support under the viscous coupling housing.
Remove the bolt for the viscous coupling housing mounting (see the illustration).
Lower the viscous coupling housing and propeller shaft. Clean any dirt and under-body sealant from the mounting.
Use Cleaner H, P/N 1161436-9.
Drill a 4.5 mm (11/64") hole.
Note! Shorten the drill bit to approximately 12-15 mm (1/2") to obtain the correct angle for drilling.
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