servicing autotrac transfer case
Retired
Certified Car Nut
Joined: Jul 2003
Posts: 17,960
Likes: 1,839
From: Dark Side, AZ
Not sure, but I do know I went to the dealer with the same question and they listed like 3 different transfer cases for the Bravada'*, S10'* and Blazers. One thing was common though, there was a specific fluid for the models with Autotrac. The others didn't matter. Something special about it that requires special fluid. It was like $9 a bottle.
Senior Member
True Car Nut
Joined: Dec 2009
Posts: 9,616
Likes: 594
From: western,ny state
you want to use the right fluids or damage will result
Fluid/Lubricant
Automatic Transfer Case (NP8 Only)
AUTO-TRAK® II Fluid GM P/N 12378508 (Canadian P/N 10953626)
Manual Transfer Case (NP1, NP2, and NP3)
Use Manual Transmission Fluid GM P/N 88861800 (Canadian P/N 88861801)
Fluid/Lubricant
Automatic Transfer Case (NP8 Only)
AUTO-TRAK® II Fluid GM P/N 12378508 (Canadian P/N 10953626)
Manual Transfer Case (NP1, NP2, and NP3)
Use Manual Transmission Fluid GM P/N 88861800 (Canadian P/N 88861801)
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