Chevrolet Silverado / GMC Sierra. Manual — part 1985

Fig. 308: Inserting Valve Lifters Into Lifter Guides
Courtesy of GENERAL MOTORS CORP.

5. Organize or mark the components so that they can be installed in the same location from

which they were removed, if required.

6. Clean and inspect the valve lifters, if required. Refer to Valve Lifters and Guides

Cleaning and Inspection (RPO LY2/LY6/L92) or Valve Lifters and Guides Cleaning

IMPORTANT: The active fuel management lifters are installed into the

guide by aligning the notched area of the guide (1) with the
raised surface on the side of the lifter (2).

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

and Inspection (RPO LH6/LMG/LY5/LC9/L76) .

Installation Procedure

Fig. 309: Exploded View Of Lifter Guides & Lifters

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.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Courtesy of GENERAL MOTORS CORP.

1. Lubricate the valve lifters (209, 219) and engine block valve lifter bores with clean engine

oil.

Fig. 310: Inserting Valve Lifters Into Lifter Guides
Courtesy of GENERAL MOTORS CORP.

2. 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.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

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. 311: View Of Lifter Guides & Lifters
Courtesy of GENERAL MOTORS CORP.

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

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado