Chevrolet Silverado / GMC Sierra. Service manual — part 2126

1. Prior to bearing removal, inspect the camshaft bearings for loose fit in the engine block

bearing bores. Refer to Camshaft and Bearings Cleaning and Inspection (RPO
LY2/LH6/LMG/LY5/LC9) or Camshaft and Bearings Cleaning and Inspection (RPO
LY6/L76/L92).

2. Repair or replace the components, as required.

of round, or damaged engine block bearing 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

Fig. 51: View Of J 33049 Camshaft Bearing Service Kit Components
Courtesy of GENERAL MOTORS CORP.

3. Select the expanding driver (4-8) and washer (2 or 3) from the J 33049 .

4. Assemble the tool.

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

5. Insert the tool through the front of the engine block and into the bearing.

6. Tighten the expander assembly (15) nut until snug.

7. Push the guide cone (1) into the front camshaft bearing in order to align the tool.

Fig. 52: Driving Bearing Out Of Or Into Engine Block
Courtesy of GENERAL MOTORS CORP.

8. Drive the bearing from the block bore.

IMPORTANT: In order to remove the front camshaft bearing, operate the

tool from the rear of the block, using the guide cone in the

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

9. Repeat the above procedures in order to remove the remaining bearings.

Tool Usage Information

Bearing, Expander, and Expander Driver Information

rear camshaft bearing 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