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Exhaust Manifold Cleaning and Inspection - Left Side

Exhaust Manifold Cleaning and Inspection - Left Side

Cleaning Procedure


1. Clean the exhaust manifold in solvent.

2.
Warning

Wear safety glasses when using compressed air, as flying dirt particles may cause eye injury.


Dry the exhaust manifold with compressed air.


Inspection Procedure


1. Inspect the exhaust manifold for the following:


• Damage or excessive corrosion to the exhaust manifold exterior (4)

• Damage to the exhaust manifold mounting holes (1)

• Damage to the threaded holes (3)

• Damage to the exhaust manifold flange bolt holes (2)

2. Inspect the left exhaust manifold for the following:


• Damage to the gasket sealing surfaces (1)

• Damage or restrictions within the exhaust passages (2)

3. Repair or replace the left exhaust manifold and/or components as necessary.

4. Measure the alignment or surface flatness of the exhaust manifold flanges, using a straight edge and a feeler gauge. Exhaust manifold surface flatness must not exceed 0.254 mm (0.010 in).


5. If the surface flatness is not within specifications, the exhaust manifold is warped and must be replaced.