Chevrolet Silverado / GMC Sierra. Service manual — part 252

Fig. 59: Intake Manifold
Courtesy of GENERAL MOTORS CORP.

9. Remove the intake manifold bolts.

10. Remove the intake manifold.

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

Fig. 60: View Of Intake Manifold Gasket
Courtesy of GENERAL MOTORS CORP.

11. Remove the intake manifold gaskets (1) from the intake manifold.

12. Discard the old intake manifold gaskets.

13. Clean and inspect the intake manifold. Refer to Intake Manifold Cleaning and

Inspection.

Installation Procedure

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

Fig. 61: View Of Intake Manifold Gasket
Courtesy of GENERAL MOTORS CORP.

1. Install new intake manifold gaskets (1) to the intake manifold.

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

Fig. 62: Intake Manifold
Courtesy of GENERAL MOTORS CORP.

2. Install the intake manifold.

3. Apply a 5 mm (0.20 in) band of threadlock to the threads of the intake manifold bolts. Refer

to Sealers, Adhesives, and Lubricants for the correct part number.

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2