A4W does not work! - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 Vortec 5.3L V8 Engine and Drivetrain > 4x4 Drivetrain

4x4 Drivetrain 4x4 Repairs & Problems

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  #1  
Old 12-09-2012, 07:39 PM
aphickman aphickman is offline
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2002 Chevy TrailBlazer LT
Cranberry Red Metallic 4.2L I6 4X4
Join Date: Jul 2012
Location: Sioux Falls SD
Posts: 1
Question A4W does not work!

When switching from 2W drive to A4W the light does not change or blink, the 4W drive works fine and engages perfectly, even the 2W drive works. Any ideas as to what the problem is, or could be?
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  #2  
Old 12-10-2012, 06:26 AM
CDNXTC1976 CDNXTC1976 is offline
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TRAILBLAZER Chevy TrailBlazer LT
Dark Green Metallic 4.2L I6 4X4
Join Date: Aug 2012
Location: Toronto,ON
Posts: 3
I have the same problem. It's a 2004 Trailblazer LT. I love the truck but the snow is coming and I would like the option of leaving it in 4AWD but it does not come on. Please help.

Thanks
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  #3  
Old 12-12-2012, 10:28 PM
vlado vlado is offline
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2002 Chevy TrailBlazer LTZ
Sandalwood Metallic 4.2L I6 4X4
Join Date: Dec 2012
Location: Sofia, Bulgaria
Posts: 3
same thing with me

I also have this problem on a 2002 Trailblazer and need help.
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  #4  
Old 12-13-2012, 12:51 PM
vlado vlado is offline
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2002 Chevy TrailBlazer LTZ
Sandalwood Metallic 4.2L I6 4X4
Join Date: Dec 2012
Location: Sofia, Bulgaria
Posts: 3
A4wd issue fixed

I replaced the dash control switch and now everything is working
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4 wheel drive, 4w drive, 4x4, a4w drive, auto four wheel drive

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