Installation Procedure

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

NOTE: If the valve lifters and anti-rotation brackets are not installed properly, the valve lifters, the anti-rotation brackets, and the engine could be damaged.

Important: When installing new valve lifters, coat the lifters with engine assembly prelube GM P/N 1052367 (Canadian P/N 992869) or equivalent.

Install the valve lifters in the lifter bores.
- Align the flat sides of the lifters with the flat sides of the lifter guides.
- When properly aligned, the flat side of each lifter is aligned parallel to the lifter guide.
- The roller at the bottom of each lifter is aligned parallel to the camshaft lobe.
  
  Fig 1: Installing Valve Lifters In Lifter Bore
  Courtesy of GENERAL MOTORS CORP.
Install the lifter guides on the valve lifters.

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

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the screws that retain the lifter guides.
Tighten

Tighten the lifter guide bolts to 11 N.m (97 lb in).
Install the cylinder head. Refer to CYLINDER HEAD REPLACEMENT .

Fig 3: Installing Screws That Retain Lifter Guides
Courtesy of GENERAL MOTORS CORP.