Cylinder Head Assembly: Specifications
CYLINDER HEADTighten the cylinder head bolts in the sequence shown, using the 4 step torque-turn method to the following torque values:
Step 1: All to 61 Nm (45 ft. lbs.)
Step 2: All to 88 Nm (65 ft. lbs.)
Step 3: All (again) to 88 Nm (65 ft. lbs.)
Step 4: + 90° Turn (Do not use a torque wrench for this 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
Deck surface 0.1 mm (0.004 in.)
INTAKE MANIFOLD
Intake Manifold - Upper-Bolts 12 Nm (105 in. lbs.)
Intake Manifold - Lower-Bolts 28 Nm (250 in. lbs.)
EXHAUST MANIFOLD
Exhaust Manifold - Bolts 23 Nm (200 in. lbs.)