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4 wheel drive not engaging?

Tiny
BRETELIFRITS
  • MEMBER
  • 1 POST
  • 2000 CHEVROLET SILVERADO
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 110,000 MILES
My 4 wheel drive is not working I bought new swith but it still dont work all the buttons light up at once constantly will not engage or even attempt to engage no weird sounds when driving or nothing im so lost on wat it could be maybe some thing electrical idk I need help
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Wednesday, September 2nd, 2020 AT 10:38 AM (Merged)
Tiny
CAR-MAN145
  • MECHANIC
  • 321 POSTS
There is a lot of problems with the shift motors on these. It is on the side of the transfer case but would bring it to a shop to insure you don't waste your money.
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Wednesday, September 2nd, 2020 AT 10:38 AM (Merged)
Tiny
CHRISTIAN996
  • MEMBER
  • 1 POST
  • 2000 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 90,000 MILES
Replaced 4wd switch on dash but still wont engage into 4wd, light on swith just blinks and goes back to 2wd. Could it be actuator or transfer case motor?
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Wednesday, September 2nd, 2020 AT 10:38 AM (Merged)
Tiny
CRZYDRVR
  • MEMBER
  • 432 POSTS
The most likely cause is the mode switch. The one with the buttons to select 2wd or 4wd. I;d put money on it. Had to replace the same thing in my own truck.
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-1
Wednesday, September 2nd, 2020 AT 10:38 AM (Merged)
Tiny
BRANSONSHERMAN
  • MEMBER
  • 3 POSTS
  • 2000 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 160,000 MILES
My four wheel drive stopped working recently. No wierd noises just stopped working. Replaced the electronic actuator but didnt fix the problem. Anyone know what might be the problem
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Wednesday, September 2nd, 2020 AT 10:38 AM (Merged)
Tiny
DENNYP
  • MECHANIC
  • 1,824 POSTS
Are the lights in the switch working?
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Wednesday, September 2nd, 2020 AT 10:38 AM (Merged)
Tiny
BRANSONSHERMAN
  • MEMBER
  • 3 POSTS
Yes when I put it into four wheel drive the light on my dash works. I think it is something in the case because everything else is working properly
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Wednesday, September 2nd, 2020 AT 10:38 AM (Merged)
Tiny
DENNYP
  • MECHANIC
  • 1,824 POSTS
You will need to have it checked for trouble codes in the transfer case control module.
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Wednesday, September 2nd, 2020 AT 10:38 AM (Merged)
Tiny
BRANSONSHERMAN
  • MEMBER
  • 3 POSTS
Ok. I have a hypertech programmer that reads dtc's will it pick it up
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Wednesday, September 2nd, 2020 AT 10:38 AM (Merged)
Tiny
DENNYP
  • MECHANIC
  • 1,824 POSTS
I can't tell you for sure. I can tell you that a Tech2 scanner will work.
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Wednesday, September 2nd, 2020 AT 10:38 AM (Merged)
Tiny
KENNETH WILSON
  • MEMBER
  • 1 POST
  • 2000 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 99,000 MILES
My 4x4 suddenly quit working
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Wednesday, September 2nd, 2020 AT 10:38 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Are you getting power to the 4wd actuator on the transfer case?

Joe
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Wednesday, September 2nd, 2020 AT 10:38 AM (Merged)

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