Hummer H3. Manual — part 1471

Fig. 27: View Of Input Shaft Seal
Courtesy of GENERAL MOTORS CORP.

1. Using the J 45866 and a hammer, install the input shaft seal into the input shaft bearing

retainer. See Special Tools.

The spring side of the seal goes toward the tool

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Ensure the seal is installed square

The tool will install the seal to the correct depth

2. Install the transmission input shaft bearing retainer. Refer to Transmission Input Shaft

Bearing Retainer Replacement.

TRANSMISSION HOUSING OIL SEAL REPLACEMENT - REAR

Tools Required

J 6125-1B Slide Hammer

J 23129 Universal Seal Remover. See Special Tools.

J 45867 4WD Output Shaft Seal Installer. See Special Tools.

Removal Procedure

1. Remove the transfer case assembly. Refer to Transfer Case Assembly Replacement .

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Fig. 28: Removing Rear Transmission Housing Oil Seal - 4WD
Courtesy of GENERAL MOTORS CORP.

2. Using the J 6125-1B (1) and J 23129 (2) remove the rear transmission housing oil seal from

the housing. See Special Tools.

Installation Procedure

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Fig. 29: Identifying Output Shaft Seal - 4WD
Courtesy of GENERAL MOTORS CORP.

1. Using the J 45867 and a hammer, install the NEW rear transmission housing oil seal. See

Special Tools.

2. Check the transmission fluid level. Add if necessary. Refer to Transmission Fluid

Replacement.

3. Install the transfer case assembly. Refer to Transfer Case Assembly Replacement .

BACKUP LAMP SWITCH REPLACEMENT

Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3