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Discussion Starter · #1 ·
I just moved to NY from TX. Yeah, I know! Why?? work. I had used my Z71 suburban on the beaches of the Texas coast about twice a year and now I use it weekly here in up state NY. Last week we began to notice that the 4X4 would not smoothly switch over from 2 wheel drive when needed. When we attempted to go 4x4 the light on 4x4 would blink for a long time. Sometimes I would stop put it in neutral and then it switch to 4x4 more easily. But once in 4x4 it would make some awlful noises from the front end. It would sound like metal grinding. Of course we only used it to get up our drive and into the garage. Otherwise I restricted the use of it. Today, 2/11/08, I drove it to the dealership, because I know of no place else to take to here yet, and while en route, I went to stop at a red light and it seamed that the front end was jerking as if it had really bad brake pads that were warped. But this is the first sign of this issue so I am sure it is not the brakes. Well it is now at the dealership, I am over the 36,000 mile warranty (about 50,000m) and I am hoping someone can spot my issue and give me an idea as to what the dealership should tell me the problem is. When I explained the issue to the service manager he said it sounds like your drive line. I know nothing about the drive line other than what I read on line about the u joints and the angle of the drive shaft. To me it sounds like my front axel, when engaged , is shredding apart. Thanks.
 

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Discussion Starter · #4 ·
I have 265 70R15 Wrangler ATS on all 4 wheels, same size as orignials from dealership. I did already have the dealership put in a new (rebuilt) transfer case. Dealer said it was a catostophic failure. Said that one of the bolts that connects in to the t-case was missing and said something about the "fork missing". It also does have the electronic 4x4, which we only engage when necessary. Some one told me it was better to run on Auto / 4x4 when we think we need it. Is there any test to figure if the computer is sending the wrong signal? I will be going over to the dealership to bring up that topic. Of course I also plan on finding a decent mechanic in the area to avoid the dealership if I can. Thanks for your help on this.
 
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