Installation Procedure

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT:

When reusing valve lifters, install the lifters to their original locations.
Each of the 4 valve guide assemblies will contain 2 active fuel management valve lifters and 2 non active fuel management valve lifters.
With the lifters and guides properly installed, cylinders 1, 4, 6, and 7 lifter bores will each contain 2 active fuel management valve lifters.

Fig 1: Valve Lifters And Guide

Courtesy of GENERAL MOTORS COMPANY

Lubricate the valve lifters (1) and engine block valve lifter bores with clean engine oil.

Fig 2: Aligning Notched Area Of Guide With Raised Surface On Side Of Lifter

Courtesy of GENERAL MOTORS COMPANY

Insert the valve lifters into the lifter guides.
- Align the flat area (3) on the top of the non active fuel management lifter with the flat area in the lifter guide bore. Push the lifter completely into the guide bore.
- The active fuel management lifters are to be installed into the guide, with the notch in the guide (1) aligned with the raised area (2) of the lifter.

Fig 3: Valve Lifter Guide And Bolt

Courtesy of GENERAL MOTORS COMPANY

Install the valve lifters and guide (2) to the engine block.

CAUTION:

Refer to Fastener Caution .

Install the valve lifter guide bolts (1).
Tighten

Tighten the bolt to 12 N.m (106 lb in).
Install the cylinder head and gasket. Refer to Cylinder Head Replacement - Left Side , or Cylinder Head Replacement - Right Side .