Valve Lifter Installation (RPO LH6/LMG/LY5/LC9/L76)

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Valve Lifters & Guide

Courtesy of GENERAL MOTORS CORP.

NOTE:

When using the valve lifters again, install the lifters to their original locations.
If camshaft replacement is required, the valve lifters must also be replaced.
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.

Lubricate the valve lifters (209, 219) 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 CORP.

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 (4) 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: Identifying Valve Lifters & Guides

Courtesy of GENERAL MOTORS CORP.

Install the valve lifters and guide assembly (210) to the engine block.

CAUTION: Refer to Fastener Caution .

Install the valve lifter guide bolts (211) and tighten to 12 N.m (106 lb in).