Question about 1993 Chevrolet S-10 Blazer

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4X4 not working

I have a 1993 chevy Blazer 4X4. It is a manual transfer case (shifter). It does not engage when I pull it into 4 high. I tried 4 low, and hear grinding as I was trying to get it out and put it into park. If the transmission seal is leaking could it overfill the transfer case and stop it from working?

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  • Anonymous Mar 15, 2014

    transfer case leaking 1998 ford courier 4x4

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Under the battey compartment is a lever that runs on vacume unhook the cable from the vacume plungger u will first have to take the battery and battery compartment out once u get the cable unhooked have someone start ur truck and then pull the cable under the battery box that goes to the 4x4 unit dont pull too hard u may pass up the sweet spot that locks in to 4x4 they may have to go to reverse to drive a couple of time while u r pullin on the cable itr will click forward bout a half inch when it locks in if ur 4x4 works after this u will need to replace the vacume plunger or do like i did and pull it till it locks in and tie it off to sumthin n go wheelin.... lol

Posted on Feb 18, 2009

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You should first check the 4WD actuator it is located on your front axle it has two wires going to it most of these are cylindrical and 3 to 4 inches long by two inches in diameter. Check by shifting in to 4h driving a few feet and lifting both front tires off the ground. Make shore to use good jack stands or blocks as you will have to get under the truck. Chek to see if actuator is working by rotating one tire if the other tire rotates the opposite way as the tire you are turning the actuator is working. if not change actuator if the actuator is good check the front drive shaft there is a spline on the drive shaft that can ware out and will slip. The transfer case could also be the problem but it is not common. over full transfer case would not cause the problem.

Posted on Jan 05, 2009

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