Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

Important: It is normal for NEW lifters to make a slight ticking noise when the engine is first started. Increasing the engine RPMs slightly to raise oil pressure should stop the noise.

Apply lubricant GM P/N 12345501 (Canadian P/N 992704) or equivalent to the valve lifter rollers.
Important: If reusing the valve lifters, install the valve lifters in the original positions.
Install the valve lifters.

Fig 1: Installing Valve Lifters
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the valve lifter pushrod guides.
Tighten

Tighten the valve lifter pushrod guide bolts to 16 N.m (12 lb ft).
Install the valve rocker arms and pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
Install the lower intake manifold. Refer to Intake Manifold Replacement - Lower .

Fig 2: Installing Valve Lifter Pushrod Guides
Courtesy of GENERAL MOTORS CORP.