Help! '91 Transfer Case Lubrication??...

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Author Message   Ben S (Roverguy) New Member Username: Roverguy Post Number: 5 Registered: 06-2003 Posted on Monday, June 23, 2003 - 01:08 pm:    I thought the Borg Warner unit took standard 80/90 gear oil. A quick look in the manual states ATF for the T-Case. I just drained it and it certainly looks like regular gear oil and not ATF. What's the story? Is ATF correct?   Tim Culp (T77911s) New Member Username: T77911s Post Number: 5 Registered: 04-2003 Posted on Monday, June 23, 2003 - 02:27 pm:    After right around 89 the RR used a chain and pump in the xfer case, requiring ATF. Gear Oil is used in the earlier gear driven cases. Prolonged use of gear oil in these cases will burn the pump up.   patrick findlay (Montreal) New Member Username: Montreal Post Number: 13 Registered: 06-2003 Posted on Monday, June 23, 2003 - 02:51 pm:    Quaker-state has a new ATF Multi-vehicule that fits in 99% of all makes and is semi-synthetic holds up to more heat and has better flowing capacities in the cold.Price is affordable can get it at most napa,carquest stores.   Ben S (Roverguy) New Member Username: Roverguy Post Number: 6 Registered: 06-2003 Posted on Monday, June 23, 2003 - 06:27 pm:    Might have just been really old ATF in there. I refilled it with Valvoline ATF Dexron III. Thanks for the input.