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07-23-2012, 08:26 PM
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#1 |
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Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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94 3500 4x4 gmc. Transfer case wont work?
So my old mans 94 gmc dually extended cab 3500 runs fine and is great all around. It usaully sits for months at time before being driven. No matter what we do it wont go into low or high gear for 4wd. Basicly its not doung anything. Any of you guys have this issue? Not sure if its vacuum controled or electric sylinoid or mechanical? Thanks for any help guys!
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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07-27-2012, 08:27 PM
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#2 |
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Registered User
 
Join Date: Mar 2007
Location: Camino, CA
Posts: 182
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Re: 94 3500 4x4 gmc. Transfer case wont work?
Does the transfer case actually shift into 4hi/lo? I'm assuming the tcase actually shifts into either one of these ranges but the front doesn't engage. If this is the case its most likely the front differential actuator. It is electronic and they are notorious for failing. You can get a replacement stock type one, or like I did there is and aftermarket cable setup you can convert to so you have a pull cable under the dash to lock the front end in. I believe it is made by posi lock? Can't remember, I got mine through summit though.
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1978 Chevy C10, 1986 Chevy K20 'Burb, 1970 Chevelle, 1996 K2500 'Burb, 1977 Chevy K10, 1970 Ford F-250, 72 Ford F100 4x4, 1979 Chevy C30, 1982 Chevy C30, 1996 Chevy Dually 4x4 SAS, 1997 Chevy Tahoe, 1991 Ford F-350 cclb dually 4x4 |
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