Toyota TERCEL 1985 Repair Manual page 52

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ENGINE MECHANICAL - Cylinder Head
5. INSPECT CYLINDER HEAD FLATNESS
(a)
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EM0029
(b)
Máximum cylinder block surface warpage:
Máximum manifold surface warpage:
If warpage is exceeds máximum, replace the head.
6. INSPECT CYLINDER HEAD FOR CRACKS
Using a dye penetrant, check the combustión chamber,
intake and exhaust ports, head surface and the top of the
head for cracks.
If cracked, replace the cylinder head.
(Di
EM0031
7. CLEAN VALVES
(a)
(b)
Using a precisión straight edge and feeler gauge,
check that the head and manifold surfaces are not
warped.
Measure warpage on all sides and diagonally as
illustrated.
0.05 mm (0.0020 in.)
0.1 mm (0.004 in.)
Using a gasket scraper, chip any carbón from the
valve head.
Using a wire brush, thoroughly clean the valve.
EM-21