HOW TO REPLACE FRONT OXYGEN SENSOR on 1999 Volvo S80

HOW DO IREPLACE FRONT OXYGEN SENSOR

by in San Antonio, TX on April 16, 2011
1 answer
ANSWER by on May 03, 2011
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.