For 1990-2009 cars only
Cleaning Procedure
- Clean the exhaust manifold in solvent.
- Dry the exhaust manifold with compressed air.
Warning: Refer to Safety Glasses Warning in the Preface section.
Inspection Procedure
- Inspect the right exhaust manifold and converter assembly for the following:
- Inspect the right exhaust manifold and converter assembly for the following:
- Repair or replace the exhaust manifold and converter assembly as necessary.
- Measure the alignment or surface flatness of the exhaust manifold flanges, using a straight edge and a feeler gage. Exhaust manifold surface flatness must not exceed 0.254 mm (0.010 in) out of alignment.
- If the surface flatness is not within specifications, the exhaust manifold is warped and must be replaced.
| • | Damage to the exhaust pipe mounting studs (1) |
| • | Damage to the exhaust pipe flange (2) |
| • | Damage or broken welds (3) |
| • | Damage, loose or missing heat shield rivets (4) |
| • | Damage, loose, missing heat shield (5) |
| • | Damage to the exhaust sealing area (6) |
| • | Damage or restrictions to the exhaust passages (7) |
| • | Damage to the oxygen sensor threaded hole (8) |
| • | Damage to the exhaust manifold mounting holes (1) |
| • | Damage or excessive corrosion to the exterior (2) |
| • | Damage to the heat shield mounting hole threads (3) |
| • | Damage or broken welds (4) |
