Hummer H3. Instruction - page 26
Fig. 54: View Of A/C Compressor
Courtesy of GENERAL MOTORS CORP.
8. Position the A/C compressor (1) to the engine.
9. Install the A/C compressor mounting bolts (2, 3).
Tighten: Tighten the bolts to 50 N.m (37 lb ft).
10. Attach the A/C compressor electrical connector to the bracket.
11. Install the left wheelhouse liner. Refer to Wheelhouse Panel Replacement in Body Front
End.
12. Install the left front wheel. Refer to Tire and Wheel Removal and Installation in Tires
and Wheels.
2006 Hummer H3
2006 ENGINE Engine Electrical - H3
13. Lower the vehicle.
14. Install the drive belt. Refer to Drive Belt Replacement (Without A/C) or Drive Belt
Replacement (With A/C) in Engine Mechanical - 3.5L (L52).
15. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect
Procedure.
DESCRIPTION AND OPERATION
BATTERY DESCRIPTION AND OPERATION
Fig. 55: View Of Battery Danger Label
Courtesy of GENERAL MOTORS CORP.
CAUTION: Batteries produce explosive gases, contain corrosive acid,
and supply levels of electrical current high enough to cause
burns. Therefore, to reduce the risk of personal injury when
working near a battery:
Always shield your eyes and avoid leaning over the
battery whenever possible.
Do not expose the battery to open flames or sparks.
Do not allow the battery electrolyte to contact the eyes or
the skin. Flush immediately and thoroughly any contacted
areas with water and get medical help.
Follow each step of the jump starting procedure in order.
2006 Hummer H3
2006 ENGINE Engine Electrical - H3
The maintenance free battery is standard. There are no vent plugs in the cover. The battery is
completely sealed except for 2 small vent holes in the side. These vent holes allow the small
amount of gas that is produced in the battery to escape.
The battery has 3 functions as a major source of energy:
Engine cranking
Voltage stabilizer
Alternate source of energy with generator overload
The battery specification label, example below, contains information about the following:
The test ratings
The original equipment catalog number
The recommended replacement model number
Treat both the booster and the discharged batteries
carefully when using the jumper cables.
2006 Hummer H3
2006 ENGINE Engine Electrical - H3
Fig. 56: View Of Battery Specification Label
Courtesy of GENERAL MOTORS CORP.
Battery Ratings
A battery has 2 ratings:
Reserve capacity
Cold cranking amperage
When a battery is replaced use a battery with similar ratings. Refer to the battery specification
label on the original battery or refer to Battery Usage.
Reserve Capacity
2006 Hummer H3
2006 ENGINE Engine Electrical - H3