Transfer Case Encoder Motor

H2 Specific Information

Transfer Case Encoder Motor

Postby BAMBAM » Tue Jun 02, 2009 4:27 pm

Anyone have a link for replacing the Transfecase Encoder Motor? Mine has a issue, everyonce in a while it will not stay in the normal mode and the light will not even light up and the sevice 4 wheel drive comes up pulled the code and that is what it said is the problem. Any help would be greatly needed
2003 H2
2005 EVO 405H/425TQ Highest stock turbo power in the state (CO)
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Re: Transfer Case Encoder Motor

Postby Robo » Tue Jun 02, 2009 4:49 pm

2003 HUMMER H2 | H2 (VIN N) Service Manual | Document ID: 862166
--------------------------------------------------------------------------------

Transfer Case Motor/Encoder Replacement
Removal Procedure




Remove the transfer case shield. Refer to Transfer Case Shield Replacement .
Disconnect the encoder motor electrical connector.
Remove the encoder motor bolts.
Remove the encoder motor.
Remove the actuator insulator.
Installation Procedure
Important:

• If the encoder motor is being replaced, ensure that the transfer case is in the neutral position. Manually shift the transfer case at the shift shaft, using a crescent wrench if necessary.

• When installing the encoder motor, ensure that the encoder motor is indexed correctly and the motor is flat against the transfer case before tightening the bolts.






Apply a 3.175 mm (1/8 in) bead of RTV sealant GM P/N 12345739 (Canadian P/N 10953541) or equivalent to the sealing surface of the encoder motor.
Rotate to align the shift detent lever with the encoder motor assembly and install the encoder motor.
Notice: Refer to Fastener Notice in the Preface section.

Loosely install the encoder motor mounting bolts.
Loosely install the encoder motor bracket bolt.
Tighten
Tighten the Encoder motor mounting bolts and the bracket bolt to 10 N·m (89 lb in).

Connect the encoder motor electrical connector.
Install the transfer case shield. Refer to Transfer Case Shield Replacement .
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Re: Transfer Case Encoder Motor

Postby BAMBAM » Tue Jun 02, 2009 5:08 pm

Thanks for the info. Man you guys are fast.... :lol:
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Re: Transfer Case Encoder Motor

Postby Da1ofakind » Sun May 26, 2013 4:09 am

I have a 2004 Hummer H2 and just had my transfer case encoder motor replaced. However, the mechanic did not place my vehicle's transfer case in neutral before installing the new encoder motor. All the mechanic did was shift the transmission into to neutral. Is shifting the transmission into neutral the same as putting the transfer case into neutral? If not, what kind of damage has been caused to my H2 and how can it be reversed? Can someone instruct me on how to manually shift the transfer case into neutral using the slot on the transfer case?
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Re: Transfer Case Encoder Motor

Postby SummitUp » Sun Jun 02, 2013 11:08 am

Da1ofakind wrote:Can someone instruct me on how to manually shift the transfer case into neutral using the slot on the transfer case?

Not sure what you mean by the "slot on the transfer case" but this is how you put the transfer case into neutral (straight from the owners manual):

To shift the transfer case to NEUTRAL, do the following:
1. Make sure the vehicle is parked so that it will
not roll.
2. Set the parking brake.
3. Start the vehicle or turn the ignition to RUN.
4. Connect the vehicle to the towing vehicle.
5. Put the transmission in NEUTRAL (N).
6. Shift the transfer case to 4HI.
7. Simultaneously press and hold the 4HI and
4LO Lock buttons for 10 seconds. The red
NEUTRAL light will come on when the transfer case
shift to NEUTRAL is complete.

8. Turn the ignition to LOCK.
9. Place the transmission shift lever in PARK (P).
10. Release the parking brake prior to towing.
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