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  #49  
Old 08-28-2013, 09:16 PM
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Re: intermittent rub / moan upon accelerating from a stop or <5mph

I had given up on this issue but recently discovered TSB 21-004-13 and had it applied today. It seems to have worked. I could consistently replicate the noise at 7mph prior to the update. Today in stop and go traffic (5-10mph) everything was smooth.

The downside is that it did cost $57.50 to have it applied. The first thing the dealer rep asked when I asked to have it applied is if someone had quoted me a price. Since the TSB is for vehicles built prior to May 2011, most are past the 3 year/36,000 mile bumper to bumper warranty. Even though it is a power train issue, the 5 year/100,000 mile power train warranty only applies to mechanical issues. IMO it was worth the cost to resolve the issue. I am just glad the fix does not involve tearing apart the drivetrain.
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  #50  
Old 10-15-2013, 11:39 PM
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Re: intermittent rub / moan upon accelerating from a stop or <5mph

I am still in warranty, since I bought my November 2010 built Jeep in August 2011 but TSB 21-004-13 did not seem to fix the 5mph moan, and I have been driving it with the update since May. Did it fix everyone elses? Sometimes I just don't trust these dealers doing what they say and I no longer have time to go back and forth. I am going to have one more go with Chrysler Customer Service and see where I get.
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Old 02-23-2014, 09:48 PM
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Re: intermittent rub / moan upon accelerating from a stop or <5mph

OK All, my 5 mph rub/ moan noise from the transfer case seems to have finally been fixed and it was quite an interesting fix. The dealer fixed it in late November and its still quiet here in late February. I will spare you all the details but 2 years in, 3 dealers later, multiple components inspected/replaced, including the tcase itself, and finally a call to Jeep customer service got the right person, most likely an engineer, to diagnose the vehicle's problem without ever seeing it since it was in my possession when they came up with the fix.

The exact notes on the service ticket are:

"CS HEARS MOANING NOISE WHEN SLOWING FROM 8-5 MPH PER STAR TICKET #573695 THE VEHICLE HAS THE WRONG FDCM FOR THE VEHICLE BUILD. IT HAS MODULE # 56029423 AND IS SUPPOSED TO HAVE 68194552.

REPLACED THE FDCM WITH 68194552AB. TEST DROVE VEHICLE AND VERIFIED NOISE IS NO LONGER PRESENT."

So there you have it, the boys at the factory installed the WRONG final drive computer (forget if this is the same as DTCM or PCM) and I have been driving with this for over two years. Not sure how the Jeep ran like that, but besides the noise being gone the truck seems to be more responsive. Hope this helps anyone who has had this issue, read back through this thread if you want more history.

My Jeep is a 2011 WK2 Larado 3.6L 4WD w/ 2-Speed Transfer Case built in 11/2010.
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