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transmission fluid change

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Old Aug 8, 2013 | 11:03 AM
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1992FordF150Custom's Avatar
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transmission fluid change
i have a 1992 f150 with a 5-speed M5OD and i'm going to change tranny fluid but what fluid does it take, and how much?
 
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Old Aug 8, 2013 | 01:54 PM
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It takes Mercon ATF, and it takes 5qts. but don't quote me on the capacity, I'll check my OM and will confirm this later.
 
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Old Aug 8, 2013 | 07:57 PM
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Mercon 5 ATF fill it up totop of hole or so you can touch it with the end of your finger
 
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Old Aug 8, 2013 | 08:35 PM
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Mercon V ATF wasn't available when these trucks rolled out of the assembly line, but it is supposed to work everywhere Mercon ATF was used, just don't mix both products.
 
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Old Aug 8, 2013 | 11:14 PM
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i put some valoline maxlife high milage ATF in it, and my truck shifts abit smoother but when i down shift from 3rd to 2nd it grinds, it did this before but i hoped new fluid would make it better, double clutching doesn't help, whats this sound like?
 
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Old Aug 8, 2013 | 11:20 PM
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Originally Posted by 1992FordF150Custom
i put some valoline maxlife high milage ATF in it, and my truck shifts abit smoother but when i down shift from 3rd to 2nd it grinds, it did this before but i hoped new fluid would make it better, double clutching doesn't help, whats this sound like?
Worn syncro
 
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Old Aug 8, 2013 | 11:40 PM
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could i just get a syncro or would i need to find a tranny?
 
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Old Aug 9, 2013 | 04:47 AM
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Well, would you look at that, a manual that takes ATF.
Seems right, just a bit unusual.

Originally Posted by 1992FordF150Custom
could i just get a syncro or would i need to find a tranny?
Yes you can definetly get new syncros, but you'll have to have the whole gearbox apart, do some googleing on walktroughs, and if you're unsure i'd have a workshop do it.
And by then it's probably cheaper to get another second-hand unit. But then you never know what sort of nick that'd be in either.....
 
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Old Aug 9, 2013 | 05:11 AM
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My OM shows the Mazda M5 manual transmission takes 3.8 quarts of Mercon automatic transmission fluid. The ZF takes 3.4 quarts of the same.
 
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Old Aug 9, 2013 | 09:23 PM
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Originally Posted by Pellas
Well, would you look at that, a manual that takes ATF.
Seems right, just a bit unusual.)
Not unusual at all. Extremely common, really.
 
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