AR49.10-P-5500FF | Removing/installing a catalytic converter | 17.11.03 |
ENGINES 134.9, 135.9 in MODEL 454.0
P49.10-2342-06
1 Catalytic converter
2 Nut
3 Rubber retainers
4 Center muffler
5 Spring
6 Bolts
7 Sealing ring
8 Exhaust manifold
| Removing/installing | ||
1 | Remove O2 sensor upstream of TWC | Only unscrew the O2 sensor upstream TWC from the catalytic converter (1) when replacing the catalytic convertor (1). | |
2 | Slacken nut at clamp (2). | | |
3 | Unscrew bolts (6) and remove with springs (5) | ||
4 | Suspend rubber retainers (3) at catalytic convertor (1) | Installation: Check rubber retainers (3) for damage, and replace if necessary. | |
5 | Push back center muffler (4) and remove catalytic convertor (1) | Secure center muffler (4) with an appropriate tie strap to the body against falling down. | |
6 | Remove sealing ring (7) at exhaust manifold (8) | Installation: Check the sealing ring (7) for damage; replace if necessary. Clean sealing surfaces on center muffler (4), exhaust manifold (8) and catalytic converter (1). | |
7 | Install in reverse order | ||
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near engine | Secure vehicle to prevent it from moving. | |
8 | Perform engine test run and inspect exhaust system around catalytic convertor (1) for leaks |
Exhaust system
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