Exhaust Manifold: Testing and Inspection
INSPECTION
1. Check for damage or cracking.
2. Using a straight edge and a feeler gauge, check for distortion on the cylinder head mating surface.
Standard value 0.15 mm (0.006 inch) or less
Service limit 0.3 mm (0.012 inch) or less
CAUTION: Do not use the used exhaust manifold gasket.