MANIFOLD-EXHAUST
CLEANING
1. Discard gasket (if equipped) and clean all surfaces of manifold and cylinder head.
INSPECTION
1. Inspect manifold gasket surfaces for flatness with straight edge. Surface must be flat within 0.15 mm per 300 mm (0.006 in. per foot) of manifold length.
2. Inspect manifolds for cracks or distortion. Replace manifold as necessary.