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I have an 2003 avalanche common four wheel drive issues with the transfer case switch not engaging no lights on switch changed out switch changed out transfer case module just changed out encoder motor sensor but not the motor after sensor was replaced started truck and switch was working fine I tried to put it in four high and the switched show it moved but it never engaged shut off truck to lower jacks thinking I might need to back up to get it to engage started truck up again no lights on switch Do I need to change out entire encoder motor?

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I would change it ,but wen pull it out try to test it first. check yr fuse & floods

Posted on Dec 31, 2013

  • Cody Metz Jan 01, 2014

    How do u test what fuse and I'm not sure what mean by floods

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Posted on Jan 02, 2017

jonbrown725
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SOURCE: 2000 F350 Super Duty Will not go into 4 wheel drive

I have recently had this problem with a customer. It seems the 4x4 low will only engage in neutral with the brake applied. And also check fuse. Then select drive and you will feel it lock in. Don't "goose" the fuel when attempting this.

Posted on Jan 14, 2009

awcforever
  • 359 Answers

SOURCE: 4 wheel drive doesnt engage, service 4wd light

That is the code for the transfer case control module. It is really expensive to replace, maybe $500 or more. Unfortunately, everytime I have had the code pop up, you will have to have the trans case drained, flushed, and the control module will have to be changed. I am truly sorry for the bad news, but I really hope all works out:(

Posted on Mar 06, 2009

  • 1 Answer

SOURCE: I have a 1990 K1500 4X4 Chevy pickup that wont

I had the same problem on my 90 K1500, it was the 4 wheel drive actuator unit itself. Bout it at the local parts store for 30 bucks and installed it in 10 minutes or less - and vavoom! 4 X 4 back in business.

Posted on Sep 28, 2009

  • 13 Answers

SOURCE: My 2002 2500HD 4x4 front axle not engaging

Try jacking up one side of the front and putting it on a jackstand. Then turn key on(but dont start it) and put it in 4hi. Try to spin the tire in the air. The drive shaft should not turn nor the wheel. If the wheel does then maybe the acuator is not moving in the axle. It worked when you pulled it out but it might be hanging up on something in the axle.

Posted on Dec 31, 2009

  • 1 Answer

SOURCE: Just replaced my encoder motor, front actuator,

you may have to replace your trasfer case control module its right under dash driver side easy to access mine just went out it was throwing c0359 code 4 low cirut and service four wheel drive would come on dash although the 4wd works great it just throws the code.

Posted on Jan 27, 2010

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