1999 Volvo S80 Q&A

1999 Volvo S80 Question: HOW TO REPLACE FRONT OXYGEN SENSOR

HOW DO IREPLACE FRONT OXYGEN SENSOR -
Answer 1
You must remove the cat assembly off the two turbo assembly, (total of 8 bolts) then the two bolts near the muffler, then lower it down as a whole. It's an involved process and have a lot of patients with those exhaust bolts and lot's of penetration oil. -