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Discussing What Fluid do you use in your T5 Tranny? in the 5.0 Mustangs Forum. Just wondering what ya guys are using. I want to change the fluid in mine ...

       

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Old August 3rd, 2007, 06:46 AM   #1
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What Fluid do you use in your T5 Tranny?


Just wondering what ya guys are using. I want to change the fluid in mine but dont know what to use.
 

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Old August 3rd, 2007, 07:48 AM   #2
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What year? If its a 83-84 it uses 70w gear oil. If its 85+ it uses ATF. It uses ATF for the purpose of lubricating the needle bearings the gears ride on. Use a synthetic ATF. Pre 85 were non world class with no needle bearings, hence the heavier oil.
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Old August 5th, 2007, 09:30 PM   #3
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DO NOT USE SYNTHETIC AFT IN A T-5!

Its lubricates to much and the syncros will no slow down between shifts and it will grind.

No synthetic ATF only.
 
Old August 5th, 2007, 09:43 PM   #4
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I use the blood of the innocent.
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Old August 5th, 2007, 10:56 PM   #5
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What Fluid do you use in your T5 Tranny?


You really cant use synthetic in a t-5, i was going to put royal purple in mine. Good thing i read this!
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Old August 6th, 2007, 05:04 AM   #6
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Huh, well glad you said something. Those idiots over at Modern Driveline recommended synthetic. Thanks.
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Old August 6th, 2007, 05:25 AM   #7
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I emailed them to ask if they new what the heck they were talking about. Called D&D and they said use Dexron III.
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