High pitched hum coming from driveline.

[Humboldt76]

My 2010 RAM has about 89,000 miles on it. In the last couple of months I have noticed a high pitched hum coming from the driveline. Also on several occasions while backing up have heard and felt several sharp jolts. Anyone have any experience with this?

 

[whetrick1]

Have you checked the oil in the rearend. It could be low.


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[Humboldt76]

Will do that once I get home. Thanks for the tip.

 

[McBroom]

Have you greased the U joints?


I Love my 18 Ram 2500HD 4x4 CC
Blue Streak Pearl off-road package

 

[Humboldt76]

Turned out to be the bearings, expensive but it's fixed.

 

[crackerjack1957]

Turned out to be the bearings, expensive but it's fixed.

Wheel bearings?

 

[22hemi13]

Wheel bearings?

I’m guessing rear wheel bearings.