Trans. and trans. case fluid
May 24, 2010 | 12:36 AM
#2
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From: I live in New Tripoli Pa out in the woods
A lot depends on where in the world you live
Does it get to be Minus 60 F for weeks at a time or is it like 120 F warmer most of the time.
Toyota calls for a API GL-5 75W90 in the transfer case
The trans calls for API GL-5 80W90 als the differential
This being in a normal climate
Does it get to be Minus 60 F for weeks at a time or is it like 120 F warmer most of the time.
Toyota calls for a API GL-5 75W90 in the transfer case
The trans calls for API GL-5 80W90 als the differential
This being in a normal climate
May 24, 2010 | 08:57 AM
#3
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Joined: Oct 2003
Posts: 2,593
Likes: 7
From: Port Coquitlam, BC
Lots of people have good results with redline MT-90 in the gearbox. But you definitely want to use GL-4, NOT GL-5 in the gearbox. The synchros in Toyota gearboxes of your vintage don't like GL-5. As for the viscosity I run 75W90 in the transfer case and diffs.
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