2008 Silverado Rear Axle Lube | GM Inside News Forum

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Triple-X08

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Joined Apr 18, 2005

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2,217 Posts

#8 · May 2, 2008

you need 75 90 made for locking diffs, its a synthetic gear lube, it must be used, or else it will cause damage to it.

Triple-X08

· Registered

Joined Apr 18, 2005

·

2,217 Posts

#9 · May 2, 2008

we use the mobil 1 all the time, thats all we sell, the GM stuff is way overpriced and never gets sold

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