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Are the NP 420-435 transmissions supposed to take the same gear oil (90W/80-90W) as the diff? Noticed the the "Hypoid gear lube GL5", has Sulphur that can cause corrosion of brass parts, synchros, etc. NAPA dude in town can'r shed any light on it, says "use the same in everythin
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Re: Gear oil, Dana 60 yoke, U joint strap lockwasher questions
Posted by:
beemrmax
(69.41.139.---)
Posts: 275
Posts: 275
Date: August 30, 2009 05:54PM
That's what Mr NAPA tells me, in all his wisdom... "GL5 has replaced GL4".
