Allison 6sp: Fluid color made me poop a little....

Kappa9012

MAN.... I Broke it again.
Aug 5, 2008
694
0
16
Peoria Il
I dropped my drive shaft while putting my lift pumps in, and noticed the fluid that came out of the drive shaft was pretty dark... it wasnt exactly brown but it was a dark gold, so immediately I started worrying about the trans. Long story short the fluid in the trans is still nice and red, smells fine, no signs of being burnt or damaged.

So why does the fluid in the transfer case area get burnt? low fluid flow, poor circulation?
 

ryan415

New member
Oct 24, 2012
371
0
0
860
X2. The transmission and transfer case fluid are separate. I would say just service your transfer case fluid.
 

02greysixer

Active member
Jun 4, 2011
1,829
7
38
North Central FL
Tranny fluid and transfer case fluid should not be mixing. They're separated by a seal on the tranny output and a seal on the case input. And it's not uncommon for the fluid in the case to turn dark. Probably should change it though

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