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 mating surface for the control module and the valve seats in the Active on Demand Coupling are clean. There must be no lint or traces of paper or rags.

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