Fumoto Valve for Transmission Fluid? - Honda Pilot

DanD · 06-28-2008, 01:14 AM

While there has been considerable discussion about the use of Fumoto valves for oil changes on Pilots, I have not seen any discussion about their use for transmission fluid.

Fumoto makes a valve and adapter (F104) which appears to be the same size as the Pilot ATF drain bolt (18x1.5mm). Has anyone tried this for draining ATF Pilot ? If so, was one or more adapter required?

I have installed Fumoto valves for both oil and transmission fluid on my Suby Forester and have found this system works extremely well. I would like to do the same on my 2005 Pilot, if possible.

-- Dan

macphanatic · 06-28-2008, 11:53 AM

Your post got me thinking about using one on the differential. Sure would make changing the VTM4 fluid a breeze.

mfisher1967 · 06-28-2008, 09:42 PM

It will work if Fumoto makes a valve with the same thread pitch. I wouldn't want to lose the use of the drain plug magnet though.

mfisher1967 · 06-29-2008, 12:52 PM

Just another suggestion. You can buy a vacuum fluid pump for about $50 and use it to empty the transmission's sump via the dipstick tube. You wont be able to clean off the drain plug magnet using this approach, but it will make drain/fills an easy task with virtually no mess. Perhaps you can clean the drain plug magnet after the sump has been drained and get the best of both?

jarizzo · 06-30-2008, 10:39 AM

FWIW, I personally would not use the fumoto valve on the transmission. Without the magnet, whatever filings and metallic contamination wind up in the fluid could wind up in the filter, potentially clogging it up earlier than would happen otherwise, or could just be pumped around for a while before they get filtered. I don't know the fluid path inside the transmission, but if it gets circulated for a while before it gets filtered, there's potential for extra wear and tear and possible premature failure of various components. Not worth the risk if you want my opinion. Removing the magnetic plug and wiping it off just isn't that difficult compared to the potential for problems from extra metal filings being pumped around in the unit. Then again, maybe the extra sedimentary stuff would just settle into the valve and it would be fine, but it still seems more prudent to let the engineered system do its job as designed.

Good luck...

John

06-28-2008, 01:14 AM	#1 (permalink)
DanD Junior Member Join Date: Nov 2007 Location: Vernon British Columbia Posts: 6 Feedback Score: 0 reviews	Fumoto Valve for Transmission Fluid? While there has been considerable discussion about the use of Fumoto valves for oil changes on Pilots, I have not seen any discussion about their use for transmission fluid. Fumoto makes a valve and adapter (F104) which appears to be the same size as the Pilot ATF drain bolt (18x1.5mm). Has anyone tried this for draining ATF Pilot ? If so, was one or more adapter required? I have installed Fumoto valves for both oil and transmission fluid on my Suby Forester and have found this system works extremely well. I would like to do the same on my 2005 Pilot, if possible. -- Dan

06-28-2008, 11:53 AM	#2 (permalink)
macphanatic Registered User Join Date: Aug 2007 Location: Ply. Meeting Posts: 629 Feedback Score: 0 reviews	Your post got me thinking about using one on the differential. Sure would make changing the VTM4 fluid a breeze. __________________ 2007 Pilot EX-L AWD Nav Nimbus Grey, Weathertech Window Deflectors, Cargo Cover, WWong's pads, Blitzsafe Aux Input & Sirius Starbase, Splash Guards, Subframe Braces, DEI 452T auto door lock mod, Fumoto drain valve, Parrot 3200 Bluetooth, Polk db651s & db651, Michelin LTX M/S2 1999 F-250SD XLT SC 4x4 Black & Silver, Stainless Running Boards, Weathertech Window Deflectors, Sirius

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06-28-2008, 09:42 PM	#3 (permalink)
mfisher1967 Member Join Date: Jun 2007 Location: South Houston, TX Posts: 58 Feedback Score: 0 reviews	It will work if Fumoto makes a valve with the same thread pitch. I wouldn't want to lose the use of the drain plug magnet though.

06-29-2008, 12:52 PM	#4 (permalink)
mfisher1967 Member Join Date: Jun 2007 Location: South Houston, TX Posts: 58 Feedback Score: 0 reviews	Just another suggestion. You can buy a vacuum fluid pump for about $50 and use it to empty the transmission's sump via the dipstick tube. You wont be able to clean off the drain plug magnet using this approach, but it will make drain/fills an easy task with virtually no mess. Perhaps you can clean the drain plug magnet after the sump has been drained and get the best of both?

06-30-2008, 10:39 AM	#5 (permalink)
jarizzo Registered User Join Date: Feb 2008 Location: Chicago Posts: 100 Feedback Score: 0 reviews	FWIW, I personally would not use the fumoto valve on the transmission. Without the magnet, whatever filings and metallic contamination wind up in the fluid could wind up in the filter, potentially clogging it up earlier than would happen otherwise, or could just be pumped around for a while before they get filtered. I don't know the fluid path inside the transmission, but if it gets circulated for a while before it gets filtered, there's potential for extra wear and tear and possible premature failure of various components. Not worth the risk if you want my opinion. Removing the magnetic plug and wiping it off just isn't that difficult compared to the potential for problems from extra metal filings being pumped around in the unit. Then again, maybe the extra sedimentary stuff would just settle into the valve and it would be fine, but it still seems more prudent to let the engineered system do its job as designed. Good luck... John

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