Chevy and GMC Duramax Diesel Forum - View Single Post - Noisy differential after fluid change?
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post #8 of (permalink) Old 04-12-2019, 08:04 PM
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Join Date: Sep 2015
Location: Alberta
Posts: 344
Dmax diffs are lockers, not LS. Any CL-5 rated synthetic oil will work in them.

2015.5 Chevrolet Silverado LTZ, Z71, SRW.
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