Cylinder Head Assembly: Specifications

Cylinder Head Bolts

Inspection





Check that the nominal length of each cylinder head bolt meets the limit. If it exceeds the limit, replace the bolts with a new one
Limit (A) 99.4 mm (3.91 inches)

Tightening Sequence





Cold engine
First step 78 ± 2 Nm (58 ± 1 ft-lb)
Second step Loosen fully 0 Nm (0 in-lb)
Third step 20 ± 2 Nm (15 ± 1 ft-lb)
Fourth step Tighten 90°
Fifth step Tighten 90°

Cylinder Head Inspection





Check the cylinder head gasket surface for flatness by using a straight edge and feeler gauge
Standard value 0.03 mm (0.001 inch)
Limit 0.2 mm (0.007 inch)
If it exceeds the limit, correct to meet specification
Grinding limit *0.2 mm (0.007 inch)

* Includes combined with cylinder block grinding

Cylinder head height (Specification when new) 120 mm (4.7 inches)

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