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Old 11-06-2011, 02:53 PM
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TH 400 Fluid Capacity

Can someone please advise the total fluid capcaity of a TH-400 after a complete rebuild with a new TC. I have a plastic aftermarket dip stick and dont trust the level. I have a total of 9 quarts in now.

Thanks..

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Old 11-06-2011, 04:47 PM
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It depends on your torque conv. and trans pan (from 8-12qts) but 9 is for a bone stock tranny I'm pretty sure
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Old 11-06-2011, 05:38 PM
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Quote:
Originally Posted by gmc1990rodder
It depends on your torque conv. and trans pan (from 8-12qts) but 9 is for a bone stock tranny I'm pretty sure
Thanks for the info, I appreciate it..
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Old 11-06-2011, 07:22 PM
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Your welcome! And if I'm not mistaken,the next time you have the pan off of your trans. , you can double check your dipstick by marking a line on your dipstick even with the bottom of the trans. where the pan bolts to it...(make sure to leave the dipstick in the dipstick tube)
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Old 11-06-2011, 09:50 PM
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Quote:
Originally Posted by Mr. Fixit
Can someone please advise the total fluid capcaity of a TH-400 after a complete rebuild with a new TC. I have a plastic aftermarket dip stick and dont trust the level. I have a total of 9 quarts in now.

Thanks..

with a OEM converter and stock pan and cooling, 11 1/2-12. with deep pan and aux. cooler, up to around 13 1/2 total. (can be more with the aftermarket billet pans that are available now days)
smaller high stall converters (under 12") will take less fluid anywhere from 2-3 qts.
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Old 11-07-2011, 03:54 AM
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Thanks to all who replied. I have it filled correctly and apparently have another issue (manual shifting) unrelated to the fluid.

Jakeshoe recommended checking the line pressure, but I am not sure how to do that yet.
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Old 11-07-2011, 12:49 PM
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There's an 1/8" Pipe Plug on the Driver side a few inches above the Pan rail, about middle of Pan. You'll need a Gauge with at least 0-200psi. range.

("Brakes Applied"):---------- Normal Psi.
Neutral @1000rpm-------- = 55-70psi.
Drive @Idle speed-------- = 60-85psi.
Drive- @1000rpm--------- = 60-90psi.
Drive-2 @1000rpm-------- = 135-160psi.
Reverse @1000rpm-------- = 95-150psi.
Drive @1000rpm,
w/Downshift Solenoid On-- = 90-110psi.

Pr. Test Kit >> http://www.sjdiscounttools.com/atd-5550.html
Capacity chart >> http://www.tciauto.com/tc/fluid-capacity
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Old 11-07-2011, 05:48 PM
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Quote:
Originally Posted by SSedan64
There's an 1/8" Pipe Plug on the Driver side a few inches above the Pan rail, about middle of Pan. You'll need a Gauge with at least 0-200psi. range.

("Brakes Applied"):---------- Normal Psi.
Neutral @1000rpm-------- = 55-70psi.
Drive @Idle speed-------- = 60-85psi.
Drive- @1000rpm--------- = 60-90psi.
Drive-2 @1000rpm-------- = 135-160psi.
Reverse @1000rpm-------- = 95-150psi.
Drive @1000rpm,
w/Downshift Solenoid On-- = 90-110psi.

Pr. Test Kit >> http://www.sjdiscounttools.com/atd-5550.html
Capacity chart >> http://www.tciauto.com/tc/fluid-capacity
This is great, thanks for the info. Where are the psi ratings from? Is it in a manual that I should obtain?
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Old 11-08-2011, 01:45 AM
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ASTG Manual for TH400/3L80 for Overhaul/Rebuild.
http://www.amazon.com/Techtran-Manua.../dp/B000HZTJ9G
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