No 4-wheel drive

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01-10-2011, 09:38 AM

sandan5

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Join Date: Jan 2011

Posts: 1

No 4-wheel drive

I have a '87 s10 blazer (6cyl, automatic) that will not go into 4 wheel drive.....any ideas for what I can check?.....e.g. cable, linkage, etc.

thanks

01-10-2011, 10:23 AM

laxman21

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Join Date: Aug 2010

Posts: 31

Vacuum actuator under battery or vacuum switch on tcase.

01-10-2011, 10:27 AM

swartlkk

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Join Date: May 2005

Location: Waterloo, NY

Posts: 41,151

Start here:
Common 4x4 Problems

On that old of a truck, the actuator is located on the inner fender, not under the battery.

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