Cylinder Head Assembly: Specifications

CYLINDER HEAD





Measure the bolt head from the washer to the top of the bolt head. The short bolt head (1) measures 8 mm (5/16") and the long bolt head (2) measures 13 mm (1/2").





If your bolt has the short head, use the following torque specifications:
First: All 30 Nm (25 ft. lbs.)
Second: All 61 Nm (45 ft. lbs.)
Third: All 61 Nm (45 ft. lbs.)
Fourth: All an additional 90°

CAUTION: Do not use a torque wrench for the Fourth step.

If your bolt has the long head, use the following torque specifications:
First: All 30 Nm (25 ft. lbs.)
Second: All 73 Nm (54 ft. lbs.)
Third: All 73 Nm (54 ft. lbs.)
Fourth: All an additional 90°

CAUTION: Do not use a torque wrench for the Fourth step.

HEAD BOLT REUSE/REPLACE

The cylinder head bolts must be examined BEFORE reuse. If the threads are necked down the bolts must be replaced.

SURFACE VARIATION

Cylinder head must be flat within 0.1 mm (0.004 in.)

CAMSHAFT BEARING CAP

Camshaft Bearing Cap-Bolts




M6 Bolts 12 Nm (106 in.lbs)




M8 Bolts 30 Nm (22 ft.lbs)

INTAKE MANIFOLD

Intake Manifold Bolts Intake Manifold - Installation

EXHAUST MANIFOLD

Exhaust Manifold Bolts Exhaust Manifold - Installation

CAMSHAFT GEAR/SPROCKET

Camshaft Gear/Sprocket bolts Service and Repair