Adm Msg - 2003 HUMMER H2 Information on Parts Availability for Locking Rear Differential (HUS20020017)
Publication date: 2003-01-29Reference number: HUS20020017
Adm Msg - 2003 HUMMER H2 Information on Parts Availability for Locking Rear Differential
TECHNICAL SERVICE BULLETIN
Reference Number(s): HUS20020017, Date of Issue:
January 29, 2003
| Affected Model(s): | 2003 HUMMER H2 |
| Attention: | All HUMMER Dealers |
SERVICE INFORMATION
The rear axle on the HUMMER H2 includes an electrically locking differential. The differential actuator consists on a coil assembly and a lock assembly with springs and pins to lock the rear differential. The locking differential assembly is serviceable, and it is not necessary to replace the entire axle assembly if there is a concern with the differential.
Available parts include:
- 12479135 - Locking Differential Coil
- 12479172 - Locking Differential Ball Bearing
- 12479173 - Differential Bearing Retainer Ring
- 12479134 - Differential Kit
The kit includes the retainer ring, ball bearings, bearing plates, the coil, lock pins and springs.
Refer to H2 Parts Information, Group 5.505 for additional information.