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Hello.. Question About the Differential Oil`

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Old 10-23-2008, 02:31 PM
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Hello.. Question About the Differential Oil`

Hi, I am reading the FSM on my 1989 Toyota 4runner 22re w56 tran. It says that i need to put on it oil SAE 90 but my local autozone does not carry it. Could i just add the 80-90w, or should i go with something thicker? (it has bout 240k miles on the clock). Also can I use this same oil for tranny and transfer?.
I noticed that my diff was missing oil because it was leaking a little, any thoughts on what to look for now that i am gonna go underneath my truck. Thank you!.
Old 10-23-2008, 02:43 PM
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Originally Posted by mikilu88
Hi, I am reading the FSM on my 1989 Toyota 4runner 22re w56 tran. It says that i need to put on it oil SAE 90 but my local autozone does not carry it. Could i just add the 80-90w, or should i go with something thicker? (it has bout 240k miles on the clock). Also can I use this same oil for tranny and transfer?.
I noticed that my diff was missing oil because it was leaking a little, any thoughts on what to look for now that i am gonna go underneath my truck. Thank you!.
80W90 works just fine. I used it for a while, I wouldn't go any thinner though. Now I'm using 85W140 as I have a diff locker that puts more strain on the diff. Mineral oil is fine, you don't need synthetic.
Old 10-23-2008, 03:28 PM
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Originally Posted by Matt16
Mineral oil is fine, you don't need synthetic.
Heres a good study:http://www.amsoil.com/products/gearl...hitePaper.aspx
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