V70 XC AWD L5-2.4L Turbo VIN 56 B5254T (1998)
Viscous Coupling: All Technical Service Bulletins
Rear Axle/Final Drive - Whining Noise
February 1, 2000
Rear axle/final drive, whining noise
All Wheel Drive (AWD) 1997-2000 850/S70/V70/V70 XC
This Service Bulletin replaces the previous Service Bulletin 46-0001 from January 2000, which should be discarded.
A whining noise may be heard from the rear axle (final drive) between 80 and 95 km/h (50-60 mph) on some AWD and XC cars.
This Service Bulletin describes how to install a new type of counterweight on the viscous coupling housing mounting on the underbody.
WHINING SOUND FROM REAR AXLE/FINAL DRIVE: