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Gary
Gary, ASE Certified Technician
Category: Transmissions
Satisfied Customers: 15730
Experience:  25 years GM master tech
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Im having problem switching the 4x4 off 2003 h2, 2003 hummer

Customer Question

im having problem switching the 4x4 off 2003 h2
JA: What is the model of your '03 GM?
Customer: 2003 hummer h2
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: yes
JA: Anything else you think the mechanic should know?
Customer: turn on the 4x4 on yesterday and will not disengage after
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the GM Mechanic about your situation and then connect you two.
Submitted: 5 months ago.
Category: Transmissions
Expert:  Virtual Wrench replied 5 months ago.

Hello,

Im going to move your question over to the transmission category because you have a better chance of someone being able to help there.

Customer: replied 5 months ago.
disconnected my battery , 4x4 light is blinking after a while it the light stay on and the 4x4
engage
Expert:  Gary replied 5 months ago.

I am sorry for the long wait

does the service*****message or light come on ?

Customer: replied 5 months ago.
light stay on and the 4x4
engage
Expert:  Gary replied 5 months ago.

do you know if there are any codes set in the 4WD computer at all ?

Customer: replied 5 months ago.
have not scan the vehicle yet
Expert:  Gary replied 5 months ago.

we need to know if there are any codes first

but most of these when this type of issue happens either the encoder motor on the drivers side of the transfercase is bad and stuck OR the inside of the transfercase is stuck in gear and will not shift out

its best to change the fluid and if it still acts up remove the encoder motor and shift the case by hand off the stem the motor slides onto to shift the case if you can shift it by hand the odds are the encoder motor is bad if you can NOT shift it by hand there is an internal transfercase issue of something like the hsift fork binding or is cracked or broken

you can always get me back for FREE for any follow up any time with this question even after you rate me here at Justanswer

if you have any questions please ask as i do not get credit for my work until you rate me here at Justanswer

Expert:  Gary replied 5 months ago.

how are you making out ?

you can always get me back for FREE for any follow up any time with this question even after you rate me here at Justanswer

if you have any questions please ask as i do not get credit for my work until you rate me here at Justanswer

Expert:  Gary replied 5 months ago.

how are you making out ?