Cylinder Head Assembly

Cylinder Head:

Cylinder Head

Cylinder Head Surface Variation - Head-to-Block, Head-to-Manifolds, Warpage
Cylinder head must be flat within:
Standard dimension less than 0.05 mm (0.002 inch.)
Service Limit 0.2 mm (0.008 inch.)
Grinding Limit Maximum of 0.2 mm (0.008 inch.) is permitted.

CAUTION: 0.20 mm (0.008 in.) MAX is a combined total dimension of the stock removal limit from cylinder head and block top surface (Deck) together.

Camshaft Sprocket Bolt - Right Side 102 Nm (75 Ft. Lbs.) + 1/4 Turn
Camshaft Sprocket Bolt - Left Side 102 Nm (75 Ft. Lbs.) + 1/4 Turn

Cylinder Head Bolt Re-usability
The cylinder head bolts are tightened using a torque plus angle procedure. The bolts must be examined BEFORE reuse. If the threads are necked down the bolts must be replaced.

Necking can be checked by holding a scale or straight edge against the threads. If all the threads do not contact the scale the bolt must be replaced.





Cylinder Head Bolt
Cylinder Head Bolts - Step 1 61 Nm (45 Ft. Lbs.)
Cylinder Head Bolts - Step 2 88 Nm (65 Ft. Lbs.)
Cylinder Head Bolts - Step 3 88 Nm (65 Ft. Lbs.)
Cylinder Head Bolts - Step 4 + 1/4 Turn





Exhaust Manifold to Cylinder Head - Bolts 23 Nm (200 In. Lbs.)
Tighten 4 bolts starting at the center working outward.





Intake Manifold - Lower 28 Nm (250 In. Lbs.)
Intake Manifold - Upper 12 Nm (105 In. Lbs.)