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Old Feb 14, 2005 | 07:14 AM
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transfer case fluids

how do I check the fluid levels on the transfer case? also what type of flush or main... is good for it. Where does the fluid go in? Its a 79' f150 351m all factory. Sorry for all the questions at once, and thank you for your anticipated answers. Andy
 
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Old Feb 14, 2005 | 06:00 PM
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There are two square plugs on the back of it. Bottom one is the drain. Fill the top one till it runs out.
 
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Old Feb 14, 2005 | 08:11 PM
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Flush with the same fluid you fill with, ATF. It's cheap and doesn't take much. Flush till clean fluid comes out. DO NOT overtighten plugs when putting them back in.
 
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Old Feb 15, 2005 | 07:39 PM
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thanks

thanks guys the fluid now is black will do w/ atf
 
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Old Feb 15, 2005 | 09:36 PM
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I do beleive the NP205 takes 80-90, not ATF.
 
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Old Feb 16, 2005 | 08:51 PM
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78fordman is right, no ATF in the NP205. Use gear oil.
 
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Old Feb 17, 2005 | 07:19 AM
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Originally Posted by 78fordman
I do beleive the NP205 takes 80-90, not ATF.
...............The old Ford 1977 Service truck (green) Manual recommends 50 wt. engine oil. i.e. 4.5 PINTS...sk
 
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Old Jul 27, 2005 | 11:19 AM
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I have a friend who has a 79 Ford just like mine. I run 85W90. He runs A.T.F.

Neither one of us has ever had a problem yet. Odd how they will run with either one and no problems.
 
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