My 1994 4WD won't go into any gear but 2 wheel high range,why?

Asked by Oct 19, 2013 at 09:22 PM about the 1994 Dodge Ram 1500 2 Dr ST 4WD Standard Cab LB

Question type: General

2 Answers


sounds like a vac. supply issue. start eng. and unplug vac connector from transfercase. see if you have vac. to one of the ports. if not, there is your problem. If there is, reconnect hose to switch, go to ft. axle and unplug from axle motor. See if there is vac. if no, you have a split hose or clogged switch at transfercase.. If you do have vac, the problem is in ft. axle vac. motor. Could be ruptured diaphram, or the motor is froze due to rust or debris. Or sliding collar in ft. axle is stuck. Hope this helps.....

1 of 1 people found this helpful.

Just fixed mine. The vaccum line was loose in the fitting that goes to the front axel. So be sure to check and press all vaccum lines into fittings before replacing the vaccum motor.

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