Installation Procedure
WARNING: This page is about a different car, the 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- Install the hydraulic valve lash adjusters into their bores in the cylinder head.
- Lubricate the hydraulic lash adjusters. Refer to Adhesives, Fluids, Lubricants, and Sealers .
- Lubricate the valve tips. Refer to Adhesives, Fluids, Lubricants, and Sealers .
- Position the valve rocker arms on the tip of the valve stem and on the valve lash adjuster. Lubricate the rocker arms. Refer to Adhesives, Fluids, Lubricants, and Sealers .
- Install the intake camshaft. Lubricate the camshaft. Refer to Adhesives, Fluids, Lubricants, and Sealers .
- Apply a 3.5 mm (0.138 in) bead of sealer (1) to the cylinder head. Refer to Adhesives, Fluids, Lubricants, and Sealers .
- In areas were the rear bearing cap ends on the perimeter rail, extend the bead of sealer 4.0 mm (0.1575 in) beyond the edge of the cap (a).
- Run the bead of sealer to within 4.0 mm (0.1575 in) of end points (b).
- Install the rear bearing cap and bolts.
Tighten: Tighten the bolts to 10 N.m (89 lb in).
- Install the cylinder head opening plate and bolts.
Tighten: Tighten the bolts to 10 N.m (89 lb in).
- Install the valve lifter follower.
- Position the camshaft bearing caps. Install the bearing cap bolts hand tight.
- Tighten the bearing cap bolts in increments of 3 turns until they are seated.
Tighten: Tighten the bolts to 10 N.m (89 lb in).
- Install the high pressure fuel pump. Refer to High Pressure Fuel Pump Replacement .
- Install the camshaft position intake actuator. Refer to Camshaft Position Intake Actuator Replacement .
IMPORTANT:
Used valve rocker arms MUST be returned to their original position on the camshaft. If the camshaft is being replaced, the rocker arms MUST also be replaced.
NOTE:
Refer to Fastener Notice
.
IMPORTANT:
The caps should be installed on the cylinder head in sequence as shown on top of the bearing caps.