Cylinder Head Assembly: Specifications
SURFACE VARIATION - HEAD-TO-BLOCKCheck block deck surfaces for flatness. Deck surface must be within service limit of 0.1 mm (0.004 in.)
CYLINDER HEAD
Tighten bolts in sequence shown, using the following steps and torque values:
Step 1: Bolts 1-8 48 Nm (35 ft. lbs.)
Step 2: Bolts 1-8 75 Nm (55 ft. lbs.)
Step 3: Bolts 1-8 75 Nm (55 ft. lbs.)
Step 4: Bolts 1-8 +90° Turn
CAUTION: Do not use a torque wrench for this step.
Step 5: Bolts 9-11 28 Nm (250 in. lbs.)
Cylinder Head Cover - Bolts 12 Nm (105 in. lbs)
HEAD BOLT REUSE/REPLACE
The cylinder head bolts must be examined BEFORE reuse. If the threads are necked down the bolts must be replaced
INTAKE MANIFOLD
Lower
Upper
Intake Manifold (Upper and Lower) - Bolts 12 Nm (105 in. lbs)
Camshaft Bearing Cap
Camshaft Bearing Cap - Bolts 12 Nm (105 in. lbs.).
EXHAUST MANIFOLD
Exhaust Manifold-Bolts 23 Nm (200 in. lbs.)