56. Exhaust Manifold Clean and Inspect

1. Clean the exhaust manifold mating surfaces.
2. Clean the exhaust manifold.
3. Inspect the exhaust manifold mating surfaces for damage.





4. Inspect the exhaust manifold flange for straightness, using a straight edge and a feeler gauge.
5. If the exhaust manifold flange is warped more than 0.05 mm (0.002 inch) replace the exhaust manifold.