1998 Dodge Ram Rear end whinning

1998 DODGE RAM

168,000 MILES • V8 • 2WD • AUTOMATIC

MOPAR4LIFE98

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I think i may have a bad pinion bearing my rear diff whines only when theres load on it when you let off the gas it dosent whine what could this be?

Dec 19, 2009 at 4:45 PM

MHPAUTOS

CERTIFIED EXPERT
31,937 POSTS

Hi there, this is how a diff pinion bearing will response under load, wheel bearings will just be noisy and increase with road speed and not alter pitch with throttle response.

Mark (mhpautos)

Dec 19, 2009 at 5:11 PM