Remove the heat protector.
Remove the exhaust manifold.
Remove the exhaust manifold gasket.
Check for damage or cracking.
Using a straight edge and feeler gauge, check for distortion on the cylinder head matching surface.
Standard value : 0.15 mm (0.006 in.) |
Service limit : 0.3 mm (0.012 in.) |
Check the exhaust manifold for damage and cracking.