4x4 problem

By gbsean
February 18, 2005 in 1982-2005 Chevrolet S-10/Blazer & GMC S15/Sonoma/Jimmy

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gbsean

Posted February 18, 2005

97 s-10 blazer...have replaced dash switrch...vacum actuator....all three vacum lines.....vacum switch on transfer case......still pops out of 4wd....if rear tires break loose it will re-engage....4wd light stays on when this happens.....under acceleration will go smoothly into 4wd up to 35mph. otherwise its a whirr a grind and a thunk...anyone got an idea

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