Operation CHARM: Car repair manuals for everyone.

System Specifications

Cylinder Head
The cylinder head must not have depressions deeper than 0.0254 mm (0.001 inch) across a 38.1 mm (1.5 inch) square area, or scratches more than 0.0254 mm (0.001 inch).

Cylinder Head Bolts

The cylinder head bolts must be discarded and new bolts installed. They are tighten-to-yield designed and cannot be reused.





First pass 40 Nm (30 ft. lbs).
Second pass Tighten 90°
Final pass Tighten 90°

Intake Manifold Lower Bolts





First pass 2 Nm (18 inch lbs).
Final pass 25 Nm (18 ft. lbs).

Intake Manifold Upper Bolts





First pass 2 Nm (18 inch lbs).
Final pass 10 Nm (89 inch lbs).

Throttle Body & Adapter Bolts
First pass 9 Nm (80 inch lbs).
Final pass Tighten 90°

Camshaft Sprocket Bolts
First pass 40 Nm (30 ft. lbs).
Final pass Tighten 90°

Camshaft Bearing Cap Bolts 10 Nm (89 inch lbs).





Exhaust Manifold-To-Cylinder Head

Discard the exhaust manifold nuts and studs.

Studs 12 Nm (9 ft. lbs).








Nuts 25 Nm (18 ft. lbs).