Question about 2003 Chevrolet Suburban 1500

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Transfer case problems

I think my transfer case is going out in my 98 suburban. How can i know for sure any telltale signs would be appreciated thanks Jay

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  • weirfam8 May 17, 2009

    i can hear a grinding noise coming from the transfer case area

  • weirfam8 May 17, 2009

    so do i need a new transfer case?

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  • 532 Answers

Load clunks when going into gear (loose chain) but be careful,4x4s tend to make lots of noise anyways,and the noise can actually be in the rear differential,check how much the driveshaft turns freely at the rear.jack up the rear wheel just enough to turn it and watch for how much it turns,divide by 1\2 and it should be around 1-2 inches of travel.

Posted on May 17, 2009

  • scott May 17, 2009

    ok,then maybe a bearing went bad,they have a pump inside that may have gone bad causing it to dry up,or the oil level has been too low for a long time.

  • scott May 20, 2009

    i cant answer that,you shouldnt hurry up to buy it without conformation first,you may be able to bring it to a transmission shop and ask them to listen to it ,it could cost $0.00 - $50.00 depending on the location to where you live,or what their policy is.If you are working on it yourself,then there is work to do,like pulling off the rear driveshaft and turning it back and forth to feel anything wrong.Noise travels through steel very well,so its process of elimination,untill you have narrowed it down.Its hard to diagnose a problem over a phone so if you are not sure whats wrong,then it may be worth paying a mechanic to do the hard part for you.I hope you can figure it out,Good luck with it..

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Fig. 59: 1996-98 (VIN R) 5.7L; US and Canada


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