Intake Camshaft and Lifter Installation

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Cam Lobes Facing

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: When performing any service procedure that pertains to the camshaft or the camshaft actuator, unlock the camshaft actuator locking pin. Refer to Camshaft Actuator Locking Pin Adjustment .

IMPORTANT: Used lifters must be returned to their original position in the cylinder head. If the camshaft is being replaced, the lifters must also be replaced.

Oil the lifters and install the lifters into the lifter bores.
Install the intake camshaft onto the cylinder head with the number 1 cam lobes facing as shown.

IMPORTANT: Each bearing cap has a number and a directional arrow marked on the bearing cap.

Install the camshaft bearing caps in their proper locations with the arrows facing forward.

Fig 2: Intake Camshaft Bearing Cap Bolts

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the camshaft bearing cap bolts.
Tighten:
- Tighten the camshaft bearing cap bolts in the sequence shown to 13 N.m (10 lb ft).
- Tighten the front bearing cap bolts to 23 N.m (17 lb ft).

Fig 3: View Of Sprocket Locating Pins

Courtesy of GENERAL MOTORS CORP.

Install the intake camshaft sprocket to the camshaft.
Install the intake camshaft sprocket bolt to the camshaft.
Tighten: Tighten the bolt to 55 N.m (40 lb ft).
Unlock the intake camshaft actuator locking pin. Refer to Camshaft Actuator Locking Pin Adjustment .