You have manual hubs on it?
>
No, stock setup. Got the front brakes off this morning and spun each end. Driver's side noisy as hell... Lot's of grinding and grating noise. I may have found my problem. Wonder if this is something that can be warrantied with the 7/70K warranty.
> >>
>>>My guess is you have lost a universal joint. This is especially true if >>>you
>>>have a long bed and a 2 piece shaft.
>>>Steve
>>>
>>>> Was headed back at about 70% load (say about 1500 lb) in the 2500 and
>>>> it developed a 'funny' noise. (God do I hate funny noises!) The onset
>>>> was sudden (I noticed something was wrong, and a few seconds later my
>>>> wife with me mentioned "what is that funny noise"). This makes me
>>>> suspect it is not a bearing, but what the hell, I don't know that for >>>> a fact!
>>>>
>>>> The noise is similar to a tire delaminating, it is cyclic to tire
>>>> revolutions. I checked brakes and decided to replace the rear pads
>>>> (one was worn badly), the front brakes look good.
>>>>
>>>> I have inspected the tires and see nothing visual wrong, but there
>>>> could be a hidden delamination. Weather doesn't give me an opportunity
>>>> to rotate the tires one by one until later this week, but I'll do that >>>> next.
>>>>
>>>> I can't localize the noise to front/rear! With the window open, I
>>>> can't hear it, but with the window closed it is noticable.
>>>>
>>>> Any thoughts?
>>>
>>
>> Well, got more interesting today when I went out for a short drive and
>> a quick plow (broken or not, the snow gotta move!)
>>
>> Noise got quickly worse and worse. I then realized my brake peddle was
>> going down way too far--I'd lost brakes at one end or the other. I
>> figure the front as I just yesterday did the rear brakes, and I'm
>> reasonably comfident in my work (and rear brakes are simple enough to
>> do!) to think that they are OK. As well it seems now the noise (much,
>> much worse, grinding, squeeling, and making other bad, bad sounds)
>> seems to be coming from the front, perhaps driver's side, wheel. >>
>> Tomorrow I've someone else who will plow my driveways so my customers
>> won't feel too badly, then I'll start tearing down the front end. >>
>> I suspected front axle U joints, but they were replaced by the dealer
>> only a few thousand miles ago, and don't see anything visually wrong
>> with them at this stage. I know my ball joints in the front are a bit
>> worn (again, another great move: non-greasable ball joints in a
>> truck!) but when they fail it is not noise that you hear but the
>> screams of people saying: "Look out for that wheel!"
>>
>> Time to start tearing down the rest of the front end. My inspection
>> the other day was limited to looking to see how much pad I had left,
>> so it must be something else. I'm thinking I may have a delaminated
>> pad, but I'm not sure.
>