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4X4 on 4X4 off 4X4 on 4X4 off

Old 08-04-2007, 10:44 AM
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4X4 on 4X4 off 4X4 on 4X4 off

I have a 1998 4X4 I have taken it to the shop A number of times problem is that the 4X4 works intermittenly I put it into 4X4 the light comes on the unit works while in 4X4 the light goes out unit does not work I let it set over night the unit works I try to put it into 4X4 it won"t work, start up hill unit works part of the time. Thanks for the help
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Old 08-04-2007, 01:00 PM
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Vacuum leak.

Check all the vacuum lines, particularly the ones going to the front axle.

The one that runs along the bottom of the windshield under the hood is a common failure point.


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