Hummer H3. Manual — part 1151

Tighten: Tighten the nut to 3.5 N.m (31 lb in).

5. Install the intake manifold. Refer to Intake Manifold Replacement .

GENERATOR REPLACEMENT

Removal Procedure

Fig. 59: View Of A/C Compressor
Courtesy of GENERAL MOTORS CORP.

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection

and Connection.

2. Remove the drive belt. Refer to Drive Belt Replacement (Without A/C) or Drive Belt

2007 Hummer H3

2007 ENGINE Engine Electrical - H3

Replacement (With A/C) .

3. Raise and support the vehicle only high enough to access the air conditioning (A/C)

compressor through the wheelhouse. Refer to Lifting and Jacking the Vehicle .

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

5. Remove the left wheelhouse liner. Refer to Wheelhouse Panel Replacement (Front) or

Wheelhouse Panel Replacement (Rear) .

6. Disengage the A/C compressor electrical connector from the bracket.

7. Recover the A/C system. Refer to Refrigerant Recovery and Recharging .

8. Disconnect the A/C condenser and evaporator lines from the compressor.

9. Remove the A/C compressor mounting bolts (2, 3) ONLY.

The upper mounting bolt (2) will remain with the A/C compressor (1).

10. Lower the vehicle.

2007 Hummer H3

2007 ENGINE Engine Electrical - H3

Fig. 60: Identifying Generator/Starter Wiring
Courtesy of GENERAL MOTORS CORP.

11. Reposition the protective boot from the generator output BAT terminal.

12. Remove the generator output BAT terminal nut (2) and remove the generator lead (1) from

the generator.

13. Disconnect the generator electrical connector.

2007 Hummer H3

2007 ENGINE Engine Electrical - H3

Fig. 61: View Of Generator Mounting Bolts
Courtesy of GENERAL MOTORS CORP.

14. Remove the 3 generator bolts.

15. Position the A/C compressor forward, in order to gain clearance to remove the generator.

16. Remove the generator.

Installation Procedure

1. Position the generator to the engine.

2007 Hummer H3

2007 ENGINE Engine Electrical - H3