Installation Procedure

WARNING: This page is about a different variant/trim than selected.

IMPORTANT: When reusing valve lifters, install the lifters to their original locations.

Lubricate the valve lifters and engine block valve lifter bores with clean engine oil.

Fig 1: View Of Valve Lifters & Lifter Guides
Courtesy of GENERAL MOTORS CORP.
Insert the valve lifters into the lifter guides.
Align the flat area on the top of the lifter with the flat area in the guide bore. Push the lifter completely into the guide bore.

Fig 2: View Of Valve Lifter Guide And Bolt

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the valve lifters and guide to the engine block.
Install the valve lifter guide bolt (1).
Tighten: Tighten the valve lifter guide bolt to 12 N.m (106 lb in).
Install the cylinder head. Refer to Cylinder Head Replacement - Left or Cylinder Head Replacement - Right .