ATF drain tap
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Elder User
Joined: Dec 2006
Posts: 830
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From: Kitchener,Ontario,Canada
ATF drain tap
So after a few weeks of deliberation, I've put together a quick disconnect set-up to drain off my old ATF mercon via the rad transmission cooler feed tubeing.
See photo
Basically I've used a standard 3/8 compression tee fitting to a Hansen quick cooling coupling (***** in groove grip). I've connected up some "Locline" fluid line to drain into a suitable gallon jug (3). The Locline also has a drain tap to control oil flow. When finished it's 10 second job to disconnect the drain line & blank off the pipe end with the closed end fitting (shown above the tee fitting). All parts are American made & can withstand 300*c cooling oil/ water & 250 PSI.
What do you guys think ? the blanking plug can be made temporarily non disconnecting by the addition of a C clip. I dont see any problems. The seal in the quick connect is Viton & cooling oil in Plastic moulds can exceed 300*f & 70 PSI so there should not be a problem. What pressure is in the transmission oil circuit? Come to think of it with that fitting it would be quite easy to rig up a pressure gauge into the tee fitting!
............Infact I already have such a gauge.
I'm also wondering if I need to also install an inline valve to stop the circulating of the oil while I'm adding new oil to the dipstick ....or does the whole thing suck & another system should be used?
ATB Aeroman
See photo
Basically I've used a standard 3/8 compression tee fitting to a Hansen quick cooling coupling (***** in groove grip). I've connected up some "Locline" fluid line to drain into a suitable gallon jug (3). The Locline also has a drain tap to control oil flow. When finished it's 10 second job to disconnect the drain line & blank off the pipe end with the closed end fitting (shown above the tee fitting). All parts are American made & can withstand 300*c cooling oil/ water & 250 PSI.
What do you guys think ? the blanking plug can be made temporarily non disconnecting by the addition of a C clip. I dont see any problems. The seal in the quick connect is Viton & cooling oil in Plastic moulds can exceed 300*f & 70 PSI so there should not be a problem. What pressure is in the transmission oil circuit? Come to think of it with that fitting it would be quite easy to rig up a pressure gauge into the tee fitting!
............Infact I already have such a gauge.
I'm also wondering if I need to also install an inline valve to stop the circulating of the oil while I'm adding new oil to the dipstick ....or does the whole thing suck & another system should be used?
ATB Aeroman
Last edited by Aeroman59; Aug 12, 2007 at 07:49 PM. Reason: update
Senior User
Joined: Aug 2005
Posts: 169
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I posted this a few months ago. Since the site has gone to the new owners, it seems to handle photos a LOT better & faster now. The copy & paste method worked great earlier today when I posted a couple of photos.
https://www.ford-trucks.com/forums/5...ng-photos.html
Good Luck
M
https://www.ford-trucks.com/forums/5...ng-photos.html
Good Luck
M
Thread Starter
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Elder User
Joined: Dec 2006
Posts: 830
Likes: 0
From: Kitchener,Ontario,Canada
Here we go (hopefully)
Left to right. 3/8 tee compression fitting, 1/8 npt quick coupling (Hansen)
1/4 bore cooling tube, 1/8 npt barbed elbow tee (blanked one outlet).Locline hose with inline valve control, 90* end fitting.
The quick coupler can be safety clipped to prevent inadvertant disconnecting. It really cannot let go unless the sleeve is pulled back about 1/8". The clip prevents this from happening.
ATB Aeroman
Left to right. 3/8 tee compression fitting, 1/8 npt quick coupling (Hansen)
1/4 bore cooling tube, 1/8 npt barbed elbow tee (blanked one outlet).Locline hose with inline valve control, 90* end fitting.
The quick coupler can be safety clipped to prevent inadvertant disconnecting. It really cannot let go unless the sleeve is pulled back about 1/8". The clip prevents this from happening.
ATB Aeroman
Last edited by Aeroman59; Aug 12, 2007 at 09:55 PM.
