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n33k0 · 06-03-2016, 08:37 AM

Check the fluid in the differential. I had a leaky cover and when the fluid got low it would make noise, most notably when at low speed or decelerating.

06-03-2016, 08:37 AM	#3
n33k0 Registered User Join Date: Sep 2014 Location: Florida Posts: 184	Re: High pitched hum Check the fluid in the differential. I had a leaky cover and when the fluid got low it would make noise, most notably when at low speed or decelerating. __________________ Nick 1972 Chevrolet C10 Stepside