Hummer H2. Manual — part 1841

Fig. 532: Intake Manifold-To-Cylinder Head Gasket
Courtesy of GENERAL MOTORS CORP.

3. Remove and discard the intake manifold-to-cylinder head gaskets (514).

2004 Hummer H2

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

Fig. 533: Fuel Rail & Injectors
Courtesy of GENERAL MOTORS CORP.

4. Remove the fuel rail with injectors. Refer to Fuel Rail and Injectors Removal .

2004 Hummer H2

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

Fig. 534: Throttle Body & Nuts
Courtesy of GENERAL MOTORS CORP.

5. Remove the throttle body and gasket. Refer to Throttle Body Removal .

2004 Hummer H2

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

Fig. 535: EVAP Purge Solenoid, Bolt & Isolator
Courtesy of GENERAL MOTORS CORP.

6. Remove the evaporative emissions (EVAP) purge solenoid (708), bolt (710), and isolator (709).

7. Clean the intake manifold in solvent.

z

Clean the intake manifold gasket surfaces.

2004 Hummer H2

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2