TSB - New Longer Style Propeller Shaft

[Klaus]

Document ID # 1252388
2003 HUMMER H2

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Transfer Case Bushing/Slip Yoke Leak, Transmission Downshifting, Loss of Power, Vehicle Will Not Move (Replace Damaged Components/Install New Longer Style Propeller Shaft) #03-04-21-002 - (02/27/2003)
Transfer Case Bushing/Slip Yoke Leak, Transmission Downshifting, Loss of Power, Vehicle Will Not Move (Replace Damaged Components/Install New Longer Style Propeller Shaft)
2003 HUMMER H2

Condition
Some customers may comment on any of the following conditions:

Transfer case leak
Transmission downshifting
Loss of power
Vehicle will not move
A major component failure
Cause
Design tolerances may lead to insufficient lubrication of the rear output shaft bushing in the transfer case.

Correction
Use the following SI procedures to correct the condition.

Refer to SI document ID #821933 to remove the transfer case.
Refer to SI document ID #857284 to replace the rear case half, the rear output seal and inspect and replace transfer case components as necessary.
Refer to SI document ID #821933 to install the transfer case.
Replace the propeller shaft with a new longer style propeller shaft. The tube portion of the propeller shaft is 19 mm (0.75 in).
Parts Information
Part Number
Description
Qty

88984541
Case, Transfer Case Rear Half
1

88984500
Seal, Transfer Case Rear Output Shaft
1

15207223
Propeller Shaft, Rear
1

Other parts may be required such as sealant to complete repairs.


Parts are currently available from GMSPO.

Warranty Information
For vehicles repaired under warranty, use:

Labor Operation
Description
Labor Time

K4400
Transfer Case Assembly - R&R
ST

ADD
Transfer Case - Recondition
ST




GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION

© Copyright General Motors Corporation. All Rights Reserved.


--------------------------------------------------------------------------------
Document ID # 1252388
2003 HUMMER H2

[This message was edited by Klaus on March 15, 2003 at 08:30 PM.]

[Klaus]

Document ID # 1252388
2003 HUMMER H2

--------------------------------------------------------------------------------

Transfer Case Bushing/Slip Yoke Leak, Transmission Downshifting, Loss of Power, Vehicle Will Not Move (Replace Damaged Components/Install New Longer Style Propeller Shaft) #03-04-21-002 - (02/27/2003)
Transfer Case Bushing/Slip Yoke Leak, Transmission Downshifting, Loss of Power, Vehicle Will Not Move (Replace Damaged Components/Install New Longer Style Propeller Shaft)
2003 HUMMER H2

Condition
Some customers may comment on any of the following conditions:

Transfer case leak
Transmission downshifting
Loss of power
Vehicle will not move
A major component failure
Cause
Design tolerances may lead to insufficient lubrication of the rear output shaft bushing in the transfer case.

Correction
Use the following SI procedures to correct the condition.

Refer to SI document ID #821933 to remove the transfer case.
Refer to SI document ID #857284 to replace the rear case half, the rear output seal and inspect and replace transfer case components as necessary.
Refer to SI document ID #821933 to install the transfer case.
Replace the propeller shaft with a new longer style propeller shaft. The tube portion of the propeller shaft is 19 mm (0.75 in).
Parts Information
Part Number
Description
Qty

88984541
Case, Transfer Case Rear Half
1

88984500
Seal, Transfer Case Rear Output Shaft
1

15207223
Propeller Shaft, Rear
1

Other parts may be required such as sealant to complete repairs.


Parts are currently available from GMSPO.

Warranty Information
For vehicles repaired under warranty, use:

Labor Operation
Description
Labor Time

K4400
Transfer Case Assembly - R&R
ST

ADD
Transfer Case - Recondition
ST




GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION

© Copyright General Motors Corporation. All Rights Reserved.


--------------------------------------------------------------------------------
Document ID # 1252388
2003 HUMMER H2

[This message was edited by Klaus on March 15, 2003 at 08:30 PM.]