Grinding/Growling noise in 4 wheel drive??? - Dodge Cummins Diesel Forum
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post #1 of 5 (permalink) Old 11-22-2010, 12:14 PM Thread Starter
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Grinding/Growling noise in 4 wheel drive???

Hey guys,

I am hearing a grinding/growling noise coming from either the transfer case or the front end of my truck only when i let off the throttle and coast while in drive. When i'm accelerating everything seems fine, it only makes noise when there is now load on the drive train. The fluid in the transfer case and front end is good and the u joints seem fine but other than that i dont know where to start. Any ideas on where to start checking or what to look for. Its currently snowing like made here and we already have 8 inches so i will be using 4wd a lot now. Any help or suggestions are greatly appreciated

Thanks,
Nick


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post #2 of 5 (permalink) Old 11-22-2010, 03:38 PM
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Sounds like the fubur bearing is fubarred. From your description a differential bearing may be worn out. Suggest taking to 4WD shop for better diagnois and repair. They have it fixed before you get all answers over forum.

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post #3 of 5 (permalink) Old 11-22-2010, 03:44 PM
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I just dealt with something similar over the weekend. 02 2500 4x4, when in 4 wheel drive and under throttle, no issues. As soon as I let off it would grumble as it coasted.

I started with the front axle ujoints. Both appeared to be ok just from visual inspection and trying to find playin them. So I moved on to the driveshaft. I found that the CV joint ball had popped out of it's seat. Pulled the shaft, replaced both upper ujoints and the ball/race and now my grumbling it gone.

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post #4 of 5 (permalink) Old 11-22-2010, 04:14 PM
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I'm having same problem. Take it to a drive shaft shop. One of yours bearings is toast on your front driveline.

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post #5 of 5 (permalink) Old 11-22-2010, 04:46 PM Thread Starter
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Alright thanks a lot, i will check out the front drive shaft in the shop at work tomorrow if i get a chance.

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