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Discussion Starter · #1 ·
I have a 89 s-10 blazer, automatic, 4.3l engine and 4x4. Last time i went off roading i realized that the 4 wheel drive no longer works. It will slide in and out of hi lo and neutral, but the front wheels dont engage, any ideas on what the problem could be.
Thanks
-Mike
 

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I hear its pretty common for the vacuum switch on the t-case to fail. Also check all the vacuum lines and the actuator under the battery.
 
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