Question about 1989 Chevrolet S-10 Blazer
The front axle has an actuator that is controlled by a vacuum switch on the transfer case. This switch is a common problem, and if it fails, or has no vacuum, you will have no 4 wheel drive. Check to make sure it is getting vacuum, if it is, most likely a bad switch, Part is readily available for around 25.00 USD, The switch is located on the drivers side of the t-case, above the linkage.
Posted on Nov 18, 2009
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Posted on Jan 02, 2017
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