4 Runner 4WD V8-4.7L (2UZ-FE) (2003)
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20. INSPECT CYLINDER BLOCK FOR FLATNESS
a. Inspect for flatness. Using a precision straight edge and feeler gauge, measure the surfaces contacting the cylinder head and main bearing cap
for warpage.
Maximum warpage: 0.07 mm (0.0028 inch)
If warpage is greater than maximum, replace the cylinder block.
21. CLEAN CYLINDER HEAD SUB-ASSY
a. Using a gasket scraper, remove all the gasket material from the cylinder block contact surface.
NOTICE: Be careful not to scratch the cylinder block contact surface.
22. INSPECT CYLINDER HEAD FOR FLATNESS
a. Using a precision straight edge and feeler gauge, measure the surfaces contacting the cylinder block and the manifolds for warpage.
Maximum warpage: 0.10 mm (0.0039 inch)
If warpage is greater than maximum, replace the cylinder head.
