1998 Dodge Ram Rear end whinning

1998 DODGE RAM
168,000 MILES • V8 • 2WD • AUTOMATIC
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MOPAR4LIFE98
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  • 5 POSTS
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
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MHPAUTOS
  • ✓ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
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
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