CHEVY 4 WON'T ENGAGE

2004 Chevrolet Blazer

Tiny

DD1969

June, 20, 2008 AT 1:30 PM

Transmission problem
2004 Chevy Blazer 6 cyl Four Wheel Drive Automatic 97000 miles

Was wondering if someone knew the location of or knows of diagram for the front axle vacuum actuator for a 2004 chevy blazer. Problem is that when I attempt to go into 4 hi the lights on my puch button control panel flashes then defaults back to 2hi. It has no problem going into 4 lo, just 4 hi, thanks.

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1 Answer

Tiny

SWilliams

June, 25, 2008 AT 11:30 PM

Sounds like a faulty switch, TCCM or actuator on the transfer case.
The vacuum actuator is under the battery. However if it goes into 4lo the actuator is working.

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