Cylinder Head Distortion

Cylinder Head Distortion

NOTE:
When performing this inspection, cylinder block distortion should be also checking.

Using a scraper, wipe off oil, scale, gasket, sealant and carbon deposits from surface of cylinder head.

CAUTION:
Never allow gasket fragments to enter engine oil or engine coolant passages.





At each of several locations on bottom surface of cylinder head, measure the distortion in six directions (A, B, C, D, E, and F).
Limit Refer to EM-142, "Cylinder Head". Cylinder Head
If it exceeds the limit, replace cylinder head.