Valve Lifter Installation

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 valve lifters, coat the lifters with engine assembly prelube GM P/N United States 1052367, GM P/N Canada 992869, or equivalent.

Coat the valve lifters with engine assembly prelube GM P/N United States 1052367, GM P/N Canada 992869, or equivalent.
Install the valve lifters in the lifter bores.
- Align the flat sides, top, 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 Lifter 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 bolts that retain the lifter guides.
Tighten

Tighten the lifter guide bolts to 11 N.m (97 lb in).

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