Chevrolet Silverado / GMC Sierra. Service manual — part 1960

5. Set the engine valley cover (555) onto the engine.

6. Install the engine valley cover bolts (506).

Tighten: Tighten the bolts to 25 N.m (18 lb ft).

7. Install the intake manifold. Refer to Intake Manifold Replacement (L92 - First Design)

or Intake Manifold Replacement (L92 - Second Design) or Intake Manifold
Replacement (LY2 and LY6) or Intake Manifold Replacement (LH6, LMG, LY5 and
L76).

VALVE LIFTER OIL MANIFOLD REPLACEMENT

Removal Procedure

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. 216: View Of Engine Harness Electrical Connectors & Inlet Hose Clamp
Courtesy of GENERAL MOTORS CORP.

1. Remove the intake manifold. Refer to Intake Manifold Replacement (L92 - First

Design) or Intake Manifold Replacement (L92 - Second Design) or Intake Manifold
Replacement (LY2 and LY6) or Intake Manifold Replacement (LH6, LMG, LY5 and
L76).

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

2. Disconnect the engine harness electrical connector (1) from the oil pressure sensor.

Fig. 217: Valve Lifter Oil Manifold
Courtesy of GENERAL MOTORS CORP.

3. DO NOT lift the valve lifter oil manifold by the electrical lead frame.

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. 218: Valve Lifter Oil Manifold
Courtesy of GENERAL MOTORS CORP.

4. Remove the valve lifter oil manifold bolts (2).

5. Remove the valve lifter oil manifold (1).

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