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4WD system not working

Tiny
MR.KNOTHEAD
  • MEMBER
  • 1987 DODGE RAIDER
  • 2.6L
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 166 MILES
My 4wd doesn't work. I wanted to know if the 4wd is activated by vacuum lines, electronically, or just by putting lever in 4low or 4hi? Trying to pinpoint why 4wd doesn't work.
Monday, June 24th, 2019 AT 12:42 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
This is a completely mechanical system worked by the 4WD lever only. Can you please shoot a quick video with your phone so we can see what's going on? That would be great. You can upload it here with your response.
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Tuesday, June 25th, 2019 AT 12:48 PM
Tiny
MR.KNOTHEAD
  • MEMBER
  • 2 POSTS
Great, at leased I know I don't have a vacuum issue. I can concern myself by weeding out working parts, then narrowing it down. Thank you.
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Tuesday, June 25th, 2019 AT 10:32 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Here are the exploded views of the transfer case so you can see how it works. Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
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Wednesday, June 26th, 2019 AT 10:39 AM

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