Installing the viscous coupling housing

Fig 1: Identifying Viscous Coupling Housing

Courtesy of VOLVO CARS OF NORTH AMERICA.

Check that the mating surfaces between the final drive and the viscous coupling housing are clean.

Lubricate the mating surface on the viscous coupling.

Install the housing with the viscous coupling onto the final drive. Tighten the screws. Tighten to 25 Nm  .