Question about 2003 GMC Envoy

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I have a 2003 Envoy and 4 lo works but 4 hi and awd doesn't?!?!?

Only 4x4 low works and nothing else does

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  • GMC Master
  • 1,311 Answers

It's a good possibility that some of the clutches in the transfer case are shot. When was the last time the transfer case fluid was changed? It needs to be changed every 50K miles using GM AutoTrak II fluid.

Posted on Jan 03, 2013

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Posted on Jan 02, 2017

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bonedivers
  • 1140 Answers

SOURCE: 2 hi and 4wd low

have seen quite a few of these with bad switches. napa sells the switch.

Posted on Jul 25, 2011

Aj_86
  • 9 Answers

SOURCE: 1996 4 hi wont work

could be the switch

Posted on Feb 18, 2009

emissionwiz
  • 76848 Answers

SOURCE: 2003 GMC Envoy Low Beams will not work

replace the combination switch on the steering colunm

Posted on Jun 26, 2009

Ford Guroo
  • 71 Answers

SOURCE: 04 Envoy xuv 4 wh. drv. stays in 4 wh drv. HI

Try putting your transmission in neutral and slowly shifting the 4wd selector to each position but you have to wait a few seconds between selsctions as it has to go through your vehicles computer, shifting to fast will cause your symptoms. I hope this helped you out. Roger

Posted on Feb 08, 2010

  • 1949 Answers

SOURCE: my 2002 envoy awd and 4 high dont work, 2wd and 4

motor on transfer case needs replaced

Posted on Feb 09, 2011

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3 Answers

How do you use 4WD on a 1999 dodge durango?


there are 2 systems.
one is a part time system only.the 4x4 locks and is for ice mud and snow.Driving full time will damage the transfer case.The other system is a full time system and the selector says 2wd,4wd part time ,4wd full time and 4 lo. if in full time,it can be driven all the time even on dry roads.The full time is really an all wheel drive system.
the 4low is a very low gear and the main shifter has to be put in neutral and then the transfer case put in 4 low.attempting to put it in 4 low while in "drive" will make a gear grinding noise.
getting out of 4 low is the opposite.shifter to neutral and then put it in 2wd and then in drive.The newer durango has an electronic transfer case with a dial on the dash.The 2002 was available with 2wd,4wd,awd and 4 lo on a switch.The 1999 has the lever on the floor .

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1 Answer

2003 gmc envoy 4x4 not working


My 2005 Envoy 4WD is not working. Switc is currently on 2HI, but light is showing AWD. What is the problem???

Dec 20, 2008 | 2003 GMC Envoy

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