Installing the O-ring

Fig 1: Active On Demand Coupling Control Module O-Ring

Courtesy of VOLVO CARS OF NORTH AMERICA.

Carefully check that the sealing surface on the control module and valve seats in the Active on Demand Coupling is clean. Ensure that there is no trace of cloth or paper.

Lubricate the new O-ring with oil, P/N 116 1641-4 (0.3 liters). Press the O-ring into place in its seat.