Rear (lower) heated oxygen sensor (HO2S), installing
WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
- Install a new sealing ring
- Apply copper paste (P/N 1161035-9) to the entire length of the screw thread
- To avoid damage from twisting to the cable harness for the heated oxygen sensor (HO2S), turn the probe approximately 4 turns counter-clockwise before inserting it
- Install the heated oxygen sensor (HO2S). Tighten to 55 Nm .