1989 GMC Sierra "transfer case going bad" Questions

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...transfer case make truck clunk My rear transfer case seal is going now my truck clunks when I put it in reverse could this be why No. The transfer case takes Dexron/Mercon 3. What was installed ...

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...transfer case is engaging and you can see the front drive line spinning, then you either have a bad actuator, switch, or the wiring is bad. I would recommend unplugging your actuator and checking for ...

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Question about GMC Sierra

1 Answer

...transfer case or the sensor on the front dif. Without further diagnostics, it could be any # of causes, but these are notorious for bad conections at the transfer case encoder motor and /or the ...

Question about GMC Sierra

2 Answers

...transfer case. its the electric shift motor is worn out. I just changed mine. it is the black plastic tube that you see when looking at the bottom of the case. it is attached to an aluminum housing ...

...transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code(s) stored in the transfer case control module will be of ...

Question about GMC Sierra

4 Answers

...transfer case and using a 12v source check it on your own to see if that is what it is. You can also use an ohm meter on the conrtoller. If that checks out..try the Transfercase shift control modual. ...

...transfer case acts like it wants to go in gear but pops out is it something they did when they rebuilt my ****** and put back together No. You have the electric select 4X4. The motor on the transfer ...

Question about GMC Sierra

1 Answer

...transfer case has gone bad and needs to be rebuilt. if it is a newer style blazer (late 90's or newer) with the push button transfer case it could be the motor that shifts the transfer case is bad or ...

...transfer case (NP 241 C) and It still wont go into 4wd. The vacum line to the transfer case is capped off and always has been. the only thing left is the transfer case switch or the actuator. Can I ...

Question about GMC Sierra

1 Answer

...in to 4 low but not 4 high what should i look at 1st Transfer Case Electric Motor, Attached to the transfer case. This is what shifts the transfer case. Many of these go bad from corrosion or

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