Rear Diff fluid change - what to use?

**2PUTT** · 10-29-2008 09:28 AM

i was not sure if redline MTL good to use for rear diff. my other choice is Motul 300. TIA

**tatarin** · 10-29-2008 05:51 PM

amsoil 75w-90 for fluids

**91gl** · 10-29-2008 10:58 PM

dont use the MTL since it is a GL-4. audi insists you only use a GL-5 for the rear diff. if you want, i have 5 quarts of Redline 75w-90 GL-5 that i had intended to use on my urS4 before i wrecked it. I could bring it to edge2o tomorrow. just buy me some starbucks

**gotboost** · 10-29-2008 11:17 PM

Iam getting some red line 75w-90, for my a4.... good stuff

**91gl** · 10-29-2008 11:21 PM

for your trans use a GL-4, in that case, Redline MT-90

**2PUTT** · 10-30-2008 07:27 AM

Originally Posted by 91gl

dont use the MTL since it is a GL-4. audi insists you only use a GL-5 for the rear diff. if you want, i have 5 quarts of Redline 75w-90 GL-5 that i had intended to use on my urS4 before i wrecked it. I could bring it to edge2o tomorrow. just buy me some starbucks

you gotz a deal!! i'll buy you bucks a few times...you da man!!