Chevrolet Silverado / GMC Sierra. Service manual — part 56

Fig. 160: View Of Valve Lifters
Courtesy of GENERAL MOTORS CORP.

1. Apply lubricant to the lifter rollers. Refer to Sealers, Adhesives, and Lubricants for the

correct part number.

2. Install the lifters.

Fig. 161: View Of Valve Lifter Pushrod Guides
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: If reusing the lifters, install the lifters to their original

positions.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

3. Install the lifter pushrod guides.

Tighten: Tighten the bolts to 16 N.m (12 lb ft).

4. Install the pushrods. Refer to Valve Rocker Arm and Push Rod Replacement.

5. Install the intake manifold. Refer to Lower Intake Manifold Replacement.

CYLINDER HEAD REPLACEMENT - LEFT SIDE

Special Tools

J 45059 Angle Meter. See Special Tools.

Removal Procedure

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 162: View Of Junction Block Bracket Bolts
Courtesy of GENERAL MOTORS CORP.

1. Drain the cooling system. Refer to Cooling System Draining and Filling (Vac-N-Fill) or

Cooling System Draining and Filling (Static Fill) .

2. Remove the drive belt. Refer to Drive Belt Replacement.

3. Remove the lower intake manifold. Refer to Lower Intake Manifold Replacement.

4. Remove the left exhaust manifold. Refer to Exhaust Manifold Replacement - Left Side

(4.3L) .

5. Remove the left side pushrods. Refer to Valve Rocker Arm and Push Rod Replacement.

6. Remove the junction block bracket bolt.

7. Position the bracket and wiring harness aside.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 163: View Of Power Steering Pump Bracket
Courtesy of GENERAL MOTORS CORP.

8. Loosen the power steering (P/S) pump rear bracket nut.

9. Remove the P/S pump rear bracket front nut.

10. Remove the bolts and nut for the P/S pump bracket.

11. Leave the air conditioning (A/C) compressor, if equipped, and the P/S pump on the bracket.

12. Slide the P/S pump bracket off of the stud and set aside.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado