JERKY420

I have been working on a 93 blazer 4wd system and it goes into 4high but jumps out into nuetral in the t-case but 4low works fine. It has a pushbutton 4wd and all the lights work and you can hear the motor engage and all sounds fine. Any help would be appreciated.

rlith

1 of 4 things... Encoder motor is bad...(too weak to fully engage), Vaccum switch on side of transfer case. You're low on the transfer case fluid.... Or a worn out transfer case...

Start in that order...

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95 s10 Blazer, EGR Mod, ZQ8 Steering box mod, 99 Center console shifter mod and more... See everything at www.pghconsulting.net/teal