Installation Procedure
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- For cylinder head assemble. Refer to Cylinder Head Assemble .
- Clean any debris or residual fastener thread sealant from the engine block cylinder head bolt holes to ensure proper torque or clamp load.
- Install a NEW cylinder head gasket (1).
- Install cylinder head (2).
- Hand start cylinder head bolts (3 and 4).
- Tighten cylinder head bolts (4) in sequence.
- First Pass tighten to 80 N.m (59 lb ft)
- Second pass tighten + 90°
- Final pass tighten + 60°
- Tighten cylinder head bolt (3) in sequence.
- First Pass tighten to 80 N.m (59 lb ft)
- Second pass tighten + 90°
- Final pass tighten + 40°
- Connect electrical connectors as necessary.
- Install the valve rocker arms and push rods. Refer to Valve Rocker Arm and Push Rod Replacement .
- Install the exhaust manifold. Refer to Exhaust Manifold Replacement - Left Side (L83, L86) .
- Install the fuel injector rail. Refer to Fuel Injection Fuel Rail Assembly Replacement - Bank 1 .
- Refill the coolant system. Refer to Cooling System Draining and Filling (Vac N Fill L83 L86)Cooling System Draining and Filling (Static Fill L83 L86) .
CAUTION:
Refer to Fastener Caution .
CAUTION:
Refer to Torque-to-Yield Fastener Caution .
NOTE:
The forward most fastener on the Left Side Cylinder Head is unique to all other cylinder head fasteners. It is shorter, has an internal hex drive and has a lower final tightening torque angle.