help me identify a noise.

[colbystephens]

ok, when at higher speeds (30+mph) and i'm going around sweeping corners to the right (i.e. mountain roads) i get a nasty humming noise that sort of vibrates the floor under the cab. what could cause this? i've got enough powersteering fluid, and i don't notice any other wierd problems. could mis-alignment cause this?

 

[Dudge]

Could be misalignment issues. Misalignment, combined with some tire roll, could be the side lugs grabbing or something.

 

[sandawgk5]

Mine does that when I coast and it has to do with the u joint angles on my rear shaft. The backlash in the detroit actually amplifies it and it sounds almost like I am grinding rocks if I have the windows down. It is basically (in my case) the slipyoke vibrating on the t-case output.

Dik

 

[colbystephens]

Mine does that when I coast and it has to do with the u joint angles on my rear shaft. The backlash in the detroit actually amplifies it and it sounds almost like I am grinding rocks if I have the windows down. It is basically (in my case) the slipyoke vibrating on the t-case output.

Dik

mine does it whether or not i'm on the fuel, and did it prior to my installing the detroit this last weekend.

 

[JEBSR]

The thing that catches my attention is you say on right turns. It a vehicle makes a humming noise only when turning one direction, the first thing I look at is the wheel bearings. Might want to make sure they haven't backed off, dryed out, or just plain worn out.

 

[BurbLover]

help me identify a noise.

This should take care of the noise issue...

Yeah, I know I'm being a smart a$$...but it's been one of those days if you know what I mean...

 

[Jason4x4]

The thing that catches my attention is you say on right turns. It a vehicle makes a humming noise only when turning one direction, the first thing I look at is the wheel bearings. Might want to make sure they haven't backed off, dryed out, or just plain worn out.

x2

 

[colbystephens]

The thing that catches my attention is you say on right turns. It a vehicle makes a humming noise only when turning one direction, the first thing I look at is the wheel bearings. Might want to make sure they haven't backed off, dryed out, or just plain worn out.

i was wondering that too... i recently replaced the ball joints on that side and they looked good. guess i'll have to take it apart and check it again. i hate to think wheel bearings... i'm getting a bit sick of pulling those front hubs apart.

 

[user]

other possibility

If you replaced a ball joint, I assume you had the thing re-aligned. Either way, it could be that the bearings weren't torqued properly in reinstallation; that a 4wd hub has gotten locked up; that the camber is wrong; or that the caster is wrong. (As to the last two: You know the kind of noise a bad shopping cart makes?)

 

[doonjumper]

I agree with Jebsr. That is the first thing that came to mind. Check your bearings