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Old 12-12-2007, 07:33 PM   #1
pickupman
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Transfer Case Oil ?

Does the transfer case on an automatic truck take auto trans fluid or gear oil? I cannot remember.
Thanks,
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Old 12-12-2007, 07:47 PM   #2
1969 GMC
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Re: Transfer Case Oil ?

gear oil. the t-case gets atf in it when the adapter seals go bad.
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Old 12-12-2007, 07:48 PM   #3
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Re: Transfer Case Oil ?

Quote:
Originally Posted by 1969 GMC View Post
gear oil. the t-case gets atf in it when the adapter seals go bad.
what he said..
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Old 12-12-2007, 08:03 PM   #4
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Re: Transfer Case Oil ?

ok thanks, just was thinking I had taken some apart from automatics that had all trans fluid in them.
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Old 12-12-2007, 08:44 PM   #5
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Re: Transfer Case Oil ?

Although not ideal, would ATF still work in the transfer case?
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Old 12-13-2007, 03:19 AM   #6
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Re: Transfer Case Oil ?

I use 10w40 in my 203 and always have with no problems.
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Old 12-13-2007, 05:37 AM   #7
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Re: Transfer Case Oil ?

GM started to spec ATF for the NP205 behind automatic trannies in later years. ATF will work just fine in a 205.
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