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1994.5 - 1997 7.3L Power Stroke Diesel  

zf5 capacity

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Old Dec 22, 2017 | 06:28 PM
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zf5 capacity

I cannot ever seem to remember this.

how many qt's does the zf5 call for. 3?
 
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Old Dec 22, 2017 | 06:51 PM
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I bought one gallon of ATF and seemed to use about 3.5 quarts area?

I really need to change mine again since the unit is clean and pump it full of Redline D4.
 
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Old Dec 22, 2017 | 06:56 PM
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About 3.8 quarts. I overfilled by 1 quart through the shifter so 5 total
 
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Old Dec 22, 2017 | 06:57 PM
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Originally Posted by 97-psd
About 3.8 quarts. I overfilled by 1 quart through the shifter so 5 total
Yeah, i always overfill mine as well
But i cannot remember if i bought a gallon + a qt or just a gallon last time.
 
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Old Dec 22, 2017 | 06:59 PM
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Must have been a gallon plus a quart if you overfilled
 
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Old Dec 22, 2017 | 06:59 PM
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What is the advantage of an overfill on this application?
 
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Old Dec 22, 2017 | 07:17 PM
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Usually, when you covert to a solid flywheel you get some gear rollover noise. The extra quart helps to reduce it
 
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Old Dec 22, 2017 | 07:28 PM
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I have a SMF on mine, the only good thing the previous owner did. Maybe I will try it, yet the sound does not really bother me much. Now what I can use is a new shift boot. I keep meaning to order the thing!
 
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Old Dec 22, 2017 | 07:42 PM
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1 qt overfill makes it shift a bit smoother and stay quieter.

Just remember, Synthetic ATF.
 
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Old Dec 22, 2017 | 08:14 PM
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I will give it a shot. I use Redline for my top shelf syn lubricants.

Thanks for the info
 
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Old Dec 26, 2017 | 08:20 AM
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Right on, at 4 + 1 quarts.
 
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