Catalytic Converter: Service and Repair

Exhaust Manifold, Front Exhaust Pipe and Catalyst With Attachments






1. Combivalve
2. 10 Nm (7 ft. lbs.)
3. 25 Nm (18 ft. lbs.)
4. 25 Nm (18 ft. lbs.)
Always replace
5. Oxygen sensor 1 -G39- (in front of catalyst)
^ 50 Nm (37 ft. lbs.)
^ Only coat threads using antiseize compound not containing silicone and marked "safe for oxygen sensors"; do not allow compound to enter slots on sensor body
^ Remove and install using 3337
6. 4-pin harness connector
^ Black
^ for Oxygen sensor 1 G39 and Oxygen sensor heating
^ Terminals 3 and 4 gold plated
7. 30 Nm (22 ft. lbs.)
8. Connecting - pipe
9. Union
^ 35 Nm (26 ft. lbs.)
10. 25 Nm (18 ft. lbs.)
11. Mounting
12. 4-pin - harness connector
^ Brown
^ Terminals 3 and 4 gold For Oxygen sensor 2 G130 and Oxygen sensor heater
13. Oxygen sensor 2 -G1 30(behind catalyst)
^ 50 Nm (37 ft. lbs.)
^ Only coat threads using antiseize compound not containing silicone and marked "safe for oxygen sensors"; do not allow compound to enter slots on sensor body
^ Remove and install with 3337
14. To center muffler
15. Front exhaust pipe with catalyst
16. 40 Nm (30 ft. lbs.)
^ Always replace
17. Gasket
^ Always replace
18. Exhaust manifold
19. Gasket
^ Always replace
20. Warm air collector plate