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Old 12-14-2006, 11:29 PM
83T/A98Blazer 83T/A98Blazer is offline
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Re: 1998 Blazer 4WD question

If your front axle is not disengaging, the most probable cause is a stuck vacuum switch on top of the transfer case. A relatively cheap and easy fix to replace it. You can take it out with a 7/8 wrench and see if the plunger is stuck pushed in. Sometimes you can get them to pop out and work for awhile, but it's best to just replace it.
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