Intake Camshaft, Follower, and Adjuster Install
WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
- Install the hydraulic element lash adjusters into their bores in the cylinder head.
- Lubricate the hydraulic lash adjusters with GM P/N 1234550 (Canadian P/N 992704) or equivalent.
- Lubricate the valve tips.
IMPORTANT: Used roller followers must be returned to the original position on the camshaft. If the camshaft is being replaced, the roller followers actuated by the camshaft must also be replaced.
- Position the roller followers on the tip of the valve stem and on the lash adjustor. Lubricate roller followers with GM P/N 12345501 (Canadian P/N 992704) or equivalent.
- Set the intake camshaft on top of the roller followers in the camshaft bearing journals. Lubricate with GM P/N 12345501 (Canadian P/N 992704) or equivalent.
- Install the camshaft bearing caps and hand start the camshaft cap bolts.
- The timing chain sprocket alignment notch should be oriented to the 11 o'clock position.
NOTE: Refer to Fastener Notice in Cautions and Notices.
- Tighten the camshaft bearing cap bolts in increments of 3 turns until they are seated.
Tighten: Tighten the camshaft bearing caps to 10 N.m (89 lb in).
- Apply anaerobic sealer, 3.5 mm (0.138 in) bead, GM P/N 1052942 (Canadian P/N 10953466) or equivalent to rear intake camshaft bearing cap.
- Install the rear intake camshaft bearing cap bolts.
Tighten: Tighten the bolts to 25 N.m (18 lb ft).