Hummer H2. Manual - part 1168

REPAIR INSTRUCTIONS 

BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE (SINGLE BATTERY) 

Removal Procedure 

1. Turn off all the lamps and accessories.  

2. Turn the ignition OFF. 

6

z

Missing gear teeth  

z

Milled teeth  

 
Is the flywheel bent, or does it have damaged 
teeth?

Go to Step 9

Go to Step 10

7

1. Remove the starter motor. Refer to Starter 

Motor Replacement .  

2. Inspect the starter motor bushings and clutch 

gear.  

Does the clutch gear have chipped or milled teeth 
or worn bushings?

Go to Step 10

Go to Step 9

8

Shim the starter motor away from the flywheel by 
adding shims between the starter motor and the 
engine block one at a time. 
Flywheel runout may make this noise appear to be 
intermittent. 
Did you complete the repair?

Go to Step 11

-

9

Replace the flywheel. Refer to Engine Flywheel 
Replacement in Engine Mechanical. 
Did you complete the replacement?

Go to Step 11

-

10

Replace the starter motor. Refer to Starter Motor 
Replacement . 
Did you complete the replacement?

Go to Step 11

-

11

Operate the system in order to verify the repair. 
Did you correct the condition?

System OK

Go to Step 3

CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.

 

2004 Hummer H2 

2004 ELECTRICAL Engine Electrical - Hummer H2

  

Fig. 7: Battery Ground Negative Cable & Bolt 
Courtesy of GENERAL MOTORS CORP. 

3. Remove the battery ground negative cable and bolt from the battery.  

Installation Procedure 

 

2004 Hummer H2 

2004 ELECTRICAL Engine Electrical - Hummer H2

  

Fig. 8: Battery Ground Negative Cable & Bolt 
Courtesy of GENERAL MOTORS CORP. 

Install the battery ground negative cable and bolt to the battery.

CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.

IMPORTANT: Clean any existing corrosion from the battery terminal bolt flange and the 

battery cable end.

 

2004 Hummer H2 

2004 ELECTRICAL Engine Electrical - Hummer H2

  

Tighten: Tighten the battery terminal bolt to 17 N.m (13 lb ft).

BATTERY NEGATIVE CABLE REPLACEMENT 

Removal Procedure 

Fig. 9: Battery Ground Negative Cable & Bolt 
Courtesy of GENERAL MOTORS CORP.

CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.

 

2004 Hummer H2 

2004 ELECTRICAL Engine Electrical - Hummer H2