Question about 2000 GMC Envoy

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Servicing a 2000 Gmc Envoy transfercase

Is it easy to service the transfercase in order to it working properly? it is only working in auto and if i put it in 4wheel low i cant get it back at times

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No it needs to be done by a professional it vaccuum modulated and very sensitive to work on and can be dangerous if repaired improperly

Posted on Jun 12, 2008


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Posted on Jan 02, 2017


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2005 enjoy not transferring power to front wheels and spins the rear

if ingine light comes on /i would ckeck it out they check at auto store free an 05 /sounds like transfercase contol switch.get some mickys .oh i was thinking check out ur esof/or the msof/manual and electronic shift

Jan 24, 2013 | 2005 GMC Envoy

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GMC Envoy 2003 SLT only the parking lights and fog lights work. The low beam and high beam don't work. Please help

Well, the problem is that I dont know the reason, you should investigate. There could be issues with lamps (must get new) or electricity problems (must head to auto-service)

Jun 29, 2012 | 2003 GMC Envoy

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I didnt know better and i ran a larger pair of tires on the front of my 2006 gmc envoy. when i tried to put the transfer case in auto the car started making a knocking sound. i turned it back to off right...

Did the car drive fine in 2wd? Sounds like you have a different problem with the transfercase. You can run bigger tires as long as they don't rub on the ball joints which may require grinding to make work. Trailblazer/ Envoy owners have put up to 35" tires on there with the same transfer case. Of course with suspension modification, but with the same transfercase and hubs.

Dec 11, 2010 | 2006 GMC Envoy

1 Answer

I have a 2003 GMC Envoy and the check engine light comes on peridically. Auto Zone checked it and Code 0128 was the alleged issue. However, where is the sensor? No one seems to know the location of the...

This code relates to low coolant temperature not the 02 sensors. You should change your thermostat, it's stuck open and is not allowing the engine to properly heat up.

By the way, there are 2 92 sensors on Envoys and Trailblazers. One of them upstream is in the engine compartment right off the exhaust manifold, easy to replace. The other one downstream is next to the transmission drain plug in the exhaust pipe.

Oct 26, 2010 | 2002 GMC Envoy XL

1 Answer

2006 slt gmc envoy ac problems vent controls anbd

{: ) The popping sound you heard is caused by the sudden movement of an HVAC door, most probably coming from the recirculation door actuator (right dashboard area) or the mode actuator( mid dashboard area). The fan outputs could be normally working, but is being muffled by the incorrect positioning of the HVAC doors, giving an impression that there is fault in the blower controls. In other words, your vehicle is having an air distribution issue.
If there's no conflict in your climate settings, then the trouble may be in the HVAC doors binding or broken, or the actuators faulty or sticking. In both cases, servicing may involve removal of the dashboard to access these HVAC components.

Jul 20, 2010 | 2006 GMC Envoy

3 Answers

Does the 2000 gmc envoy have a carburetor?

no it is sequential fuel injection

Jan 20, 2010 | 2000 GMC Envoy

2 Answers

How do you install a transfer case on a 2002 envoy

You can go to and register for full free online repair manual with all the info and step by step directions and diagrams you need

Nov 24, 2009 | 2002 GMC Envoy

1 Answer

2002 Envoy Forward / Back seat motor no longer functioning

First of all did you check the fuses? There should be one for the seats. If they're ok then get a Haynes Repair Manual for your 02 Envoy it'll probably even have illustrations showing you how to do it. Its my best advice, you can get one from just about any auto part store.

May 01, 2009 | 2002 GMC Envoy

2 Answers

Need to replace transfercase on 2003 chevy silverado pickup

It isn't too bad if you have done wrenching on other things.

Both driveshafts need to come off,
the crossmember and mount need to come off,
I believe the Y pipe or the left side of the Y pipe need to come off as they are in the way,
a few wiring connections,
support the trans at a certain height so the tranfer case isn't sitting on the rear crossmember, remove the six bots on the front of the transfer case, slide backward off the splines and tip the front downward and out.

It isn't fun but it isn't too bad either

Apr 05, 2009 | 2003 Chevrolet Silverado 1500

2 Answers

Transfercase control module

I fould my yhis morning. I have 1997 GMC Suburban the Transfercase Module on my is Driver Side under Dash Left of Steering Column. Rectangle Silver box approx.5" long white connections. Good luck getting to it took me quite a while. There are 2 Screws on bottom of Module and 1 tab on top that is difficult to unhook. Where is the Shift Motor on Transfercase.

Mar 13, 2009 | 1998 Chevrolet Tahoe

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