Hummer H3. Manual — part 296

2. Connect the PCV dirty air tube (2) to the following:

The camshaft cover (5)

The intake manifold (3)

3. Install the air cleaner resonator and outlet duct. Refer to Air Cleaner Resonator and

Outlet Duct Replacement .

INTAKE MANIFOLD REPLACEMENT

Removal Procedure

1. Remove the throttle body. Refer to Throttle Body Assembly Replacement .

2. Remove the battery box. Refer to Battery Box Replacement .

3. Remove the oil level indicator and tube. Refer to Oil Level Indicator and Tube

Replacement.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 57: Identifying Intake Manifold & Attachments
Courtesy of GENERAL MOTORS CORP.

4. Disconnect the manifold absolute pressure (MAP) sensor electrical connector (3).

5. Disconnect the MAP sensor wiring harness retainer (4) from the intake manifold.

6. Disconnect the positive crankcase ventilation (PCV) dirty air tube (2) from the camshaft

cover.

7. Remove the generator. Refer to Generator Replacement .

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 58: Identifying Engine Wiring Harness Retainer At Engine Wiring Harness
Bracket
Courtesy of GENERAL MOTORS CORP.

8. Remove the engine wiring harness retainer from the engine wiring harness bracket.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 59: View Of Engine Wiring Harness Bracket
Courtesy of GENERAL MOTORS CORP.

9. Remove the 2 upper bolts securing the engine wiring harness bracket to the intake manifold.

10. Raise and support the vehicle only high enough to access the remaining components through

the wheelhouse. Refer to Lifting and Jacking the Vehicle .

11. Remove the left front wheel. Refer to Tire and Wheel Removal and Installation .

12. Remove the left front wheelhouse liner. Refer to Wheelhouse Panel Replacement (Front)

or Wheelhouse Panel Replacement (Rear) .

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3