Chevrolet Silverado / GMC Sierra. Service manual — part 1958

49. Install the generator. Refer to Generator Replacement (4.8L, 5.3L, 6.0L, and 6.2L) .

50. Install the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct

Replacement .

UPPER INTAKE MANIFOLD COVER REPLACEMENT

Removal Procedure

Fig. 208: View Of Vacuum Brake Booster Hose
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).

2. Reposition the brake booster vacuum hose clamp at the intake manifold.

3. Remove the brake booster vacuum hose from the intake manifold nipple.

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. 209: View Of Upper Intake Manifold Cover & Nut
Courtesy of GENERAL MOTORS CORP.

4. Remove the upper intake manifold cover nut.

5. Remove the upper intake manifold cover.

Installation 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. 210: View Of Upper Intake Manifold Cover & Nut
Courtesy of GENERAL MOTORS CORP.

1. Install the upper intake manifold cover.

2. Install the upper intake manifold cover nut until snug

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. 211: View Of Vacuum Brake Booster Hose
Courtesy of GENERAL MOTORS CORP.

3. Install the brake booster vacuum hose to the intake manifold nipple.

4. Position the brake booster vacuum hose clamp at the intake manifold.

5. 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).

ENGINE BLOCK VALLEY COVER 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