Intake Camshaft and Valve Lifter Replacement

Intake Camshaft and Valve Lifter Replacement (LE5)

Removal Procedure




1. Remove the intake camshaft position actuator. Refer to Camshaft Position Intake Actuator Replacement (Camshaft Position Intake Actuator Replacement).

Note: Remove each bolt on each cap one turn at a time until there is no spring tension pushing on the camshaft.

2. Mark the bearing caps to ensure they are installed in the original position.
3. Remove the bearing cap bolts.
4. Remove the bearing caps.




5. Remove the intake camshaft (1).





Note: Keep all of the roller followers and hydraulic adjusters in order so that they can be reinstalled in their respective locations.

6. Remove the camshaft roller followers.




7. Remove the hydraulic element lash adjusters.

Installation Procedure




1. Install the hydraulic element lash adjusters into their bores in the cylinder head.
2. Lubricate the hydraulic lash adjusters. Refer to Adhesives, Fluids, Lubricants, and Sealers (Adhesives, Fluids, Lubricants, and Sealers) for the recommended lubricant.




3. Lubricate the valve tips. Refer to Adhesives, Fluids, Lubricants, and Sealers (Adhesives, Fluids, Lubricants, and Sealers) for the recommended lubricant.





Note: Used roller followers MUST be returned to their original position on the camshaft. If the camshaft is being replaced, the roller followers actuated by the camshaft must also be replaced.

4. Position the camshaft roller followers on the tip of the valve stem and on the lash adjuster. Lubricate the roller followers. Refer to Adhesives, Fluids, Lubricants, and Sealers (Adhesives, Fluids, Lubricants, and Sealers) for the recommended lubricant.




5. Install the intake camshaft (1) and lubricate. Refer to Adhesives, Fluids, Lubricants, and Sealers (Adhesives, Fluids, Lubricants, and Sealers) for the recommended lubricant.




6. Install the camshaft bearing caps. Hand tighten the cap bolts.

Caution: Refer to Fastener Caution (Fastener Caution).

7. Tighten the bearing cap bolts in increments of 3 turns until they are seated. Tighten the bolts to 10 Nm (89 lb in).
8. Install the intake camshaft position actuator. Refer to Camshaft Position Intake Actuator Replacement (Camshaft Position Intake Actuator Replacement).