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 left exhaust manifold and converter assembly for the following:
- Inspect the left exhaust manifold and converter assembly for the following:
- Repair or replace the exhaust manifold and/or converter 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 sealing area (1) |
| • | Damage or broken welds (2) |
| • | Damage to the exhaust pipe mounting studs (3) |
| • | Damage to the exhaust pipe flange (4) |
| • | Damage or restrictions to the exhaust passages (5) |
| • | Damage or broken welds (1) |
| • | Damage or excessive corrosion to the exterior (2) |
| • | Damage to the heat shield mounting hole threads (3) |
| • | Damage to the exhaust manifold mounting holes (4) |
| • | Damage to the oxygen sensor threaded hole (5) |
