Rear diff issues - The 1947 - Present Chevrolet & GMC Truck Message Board Network

evan · 10-15-2007, 01:09 AM

Lately I've been having some issues with the rear diff in my 78. It operates normally 95% of the time but every once in a while it locks the two wheels together and doesn't allow the outside tire to turn faster around corners.

Is this a common symptom of a dying rear end? When it gets worse will it just stay locked in the no-slip mode or will it cause both rear wheels to lock up (stop spinning) while I'm cruising down the road? Without pulling the cover off, is it possible for you to be pretty sure of what needs replacing?

10-15-2007, 01:09 AM	#1
evan Registered User Join Date: Jul 2005 Location: SK, Canada Posts: 488	Rear diff issues Lately I've been having some issues with the rear diff in my 78. It operates normally 95% of the time but every once in a while it locks the two wheels together and doesn't allow the outside tire to turn faster around corners. Is this a common symptom of a dying rear end? When it gets worse will it just stay locked in the no-slip mode or will it cause both rear wheels to lock up (stop spinning) while I'm cruising down the road? Without pulling the cover off, is it possible for you to be pretty sure of what needs replacing? __________________ Evan B.

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