1990 Dodge Truck 4 wheel drive

Tiny
HAILEYSPAPA
  • MEMBER
  • 1990 DODGE TRUCK
  • 6 CYL
  • 4WD
  • MANUAL
  • 150,000 MILES
I have a 1990 Dodge truck that wont engage in four wheel drive. What do I need to check for this problem
Monday, December 21st, 2009 AT 3:59 PM

1 Reply

Tiny
CH112063
  • MECHANIC
  • 1,320 POSTS
(0% of the time the problem was related to the vacuum supply to an actuator. It has a vacuum hose that being exposed would fail. I would make sure it has its vacuum hose properly connected, first thing. You'll find this actuator on the front axle, ok, there is a very good instruction and complete troubleshooting explanation located right in this site, I would try to work with these instructions for all the problems you may come across. Excellent. Ok.
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Wednesday, December 23rd, 2009 AT 10:19 PM

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