Mechanics

I HAVE A . IT HAS 147,000 MILES ON IT. ONE PROBLEM WITH IT...IT DOES NOT ENGAGE IN 4 HIGH OR 4 LOW. NOT SURE WHAT TO CHECK. COULD IT BE THAT THE VACUUM ACTUATOR IS BAD? THANKS FOR YOUR HELP!

1995 GMC Jimmy • 14,700 miles

It is not a push button 4WD. It is a shifter on the floor. Thank You
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Miahwicker
December 7, 2011.




Does it have the push button 4wd?
AD

It is not a push button 4WD. It is a shifter on the floor. Thank You

Tiny
Miahwicker
Dec 7, 2011.
Then you need to check for vacuum leaks to the front differential. When you shift to 4wd, vacuum is sent to the front axle to engage it.


AD