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4 Wheel Drive/SUVs/2002 suburban 4wd

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Question
Service 4wd msg came on. It doesnt get ued that often. I put it in 4wd hi now it go back to 2wd. The dealer replaced the tccm when I bought it a year ago. I hear relays clicking in the dash and a souond coming from the front end. It sounds like its trying to disengage but won't. I have not check oil level or fuses yet.

Answer
Vince, you are not the only one to have this problem , alot of the times this is caused by a bad transfercase motor . It would just have to be checked out in a shop before you would know for sure, about the only fuse will be under the hood in the fuse box and I think it is labled something like ATC .... If i remember right , thanks alot , Adam

4 Wheel Drive/SUVs

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Adam Kinion

Expertise

I can answer about any type of question about any type of 4x4 vehicle

Experience

I have been a mechanic for 13 years .

Education/Credentials
3 different schools

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