Fumoto Drain Valve Installation - Concern I Noted

Dmax

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The aluminum washer has an OD of .870 in, ID .484 in and thickness .077 in.

IMG_3213.jpg


The photo shows the aluminum washer on the adapter with the Fumoto washer nesting on top to illustrate how the aluminum washer would overlay the counterbore. The counterbore depression on the Fumoto washer is @ .630 in so this should be close in dimension to the counterbore in the oil pan.. This washer should work very well. I also have a copper washer with same OD and ID but thickness of 0.48 inch. It should also work very well.

In summary, for installation of the ADP-107 adapter, I would not use the supplied Fumoto washer gasket. An aluminum or copper crush washer appears to be a better solution. The Fumoto washer gasket is fine to use between the adapter and valve body.

Since I just changed my oil and re-installed the OEM plug, I can't validate this installation till the next oil change in about 5000 miles.

Cheers and happy motoring...

Thanks for the info and updates. Going to ask fumoto to send me a better washer at this point. Looks like it won’t hold up over time.
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rpeterson53

rpeterson53

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I have had correspondence with Fumoto on this concern and sent them what I summarized above. I'm sure they will provide you a better crush washer or just go to O'Reilly or other parts house and purchase locally. That is what i did.......
 

meistreguy

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I just did my first oil change on my 2019 Ranger at 4800 miles. I planned to install the Fumoto F107N valve along with the ADP-107 adapter per the Fumoto website. I have used the Fumoto valves on my other vehicles and they have been excellent with no concerns. Note that the other vehicles all used an aluminum crush washer with the OEM drain plug.

The 2019 Ranger OEM drain plug does not use a crush washer but instead an embedded rubber style seal.


Ford 2019 Ranger Drain Plug.jpg
The ADP-107 comes with a a gasket washer made of a composite fibre like material. After draining the oil, on installation of the adapter, it did not seem to torque up as I would expect. I'm doing this on my back with the truck not jacked up. On visual examination of the adapter installation, it appeared that the washer gasket did not look right. On removal of the adapter, I found the gasket washer damaged as shown below.
Damaged Gasket Washer.jpg

The inner ID of the gasket washer appears to have been pressed into a counterbore concentric with the threads in the oil pan. I did not inspect the oil pan interface as I just reinstalled the OEM plug and would do a post mortem evaluation later to understand the issue. This is when I noted the deformation as shown. It still may have sealed the adapter but I did not find this an acceptable installation. An aluminum crush washer 12mm should address this concern in lieu of the supplied composite fibre gasket washer. That's probably what I will do on the next oil change.

This is just a heads up. I did advise Fumoto of my findings. They offered me a 20% discount on the F107SX style valve but I believe the aluminum crush washer will work. Fumoto was very responsive.

And for those thinking that I applied an over torque to the adapter, that's not the case. I am a licensed Aircraft Maintenance Engineer with 50+ years experience with endorsements up to the B787 and always do my own auto maintenance so I'm comfortable with my capabilities on complex machines including engines.

Just a heads up to watch for if you decide to use the F107N valve.
Wow, I am glad I did not have that happen. What I did to decrease the chance of leaking was to wrap the threads 5 times with teflon tape.
 

J Haggerty (RADAR1)

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Looks like the F107 is no longer available, and that the replacement F137 appears to have a narrower washer.
 

Fawnbuster

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Has anyone tried this new version?
  • F107SX: New Generation Valve with 12mm-1.75 Threads. A valve is nice but to be honest wouldn't an offset with a drain plug fix the issue if the original valves popping open when snagged? Maybe the new version addresses that.

Screenshot_20210120-074650_Chrome.jpg


Screenshot_20210120-074632_Chrome.jpg
 
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CompDude

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I have used several of these on past vehicles now I use valvomax better design in my opinion.. Never had any issues with the fumoto
 

Fawnbuster

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I have used several of these on past vehicles now I use valvomax better design in my opinion.. Never had any issues with the fumoto
I like that design better also. So do you only have to remove the skid plate once in order to install that plug and use it? In other words can you get to that plug with the hose attached with the skid plate on or does it have to come off every time?
 

Trigganometry

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Seeing this is a ‘one and done’ type install when I get around to it will be using copper washers. Nonferrous materials like this will naturally reform under torqued conditions. Also compensates for heating and cooling cycles over long periods without breaking down. If sized properly it should last the life of the truck and not leak!
 

CompDude

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I like that design better also. So do you only have to remove the skid plate once in order to install that plug and use it? In other words can you get to that plug with the hose attached with the skid plate on or does it have to come off every time?
You will have to remove the skid plate to install.. But after you should be able to drain with the skid plate on.
 

Dmax

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Seeing this is a ‘one and done’ type install when I get around to it will be using copper washers. Nonferrous materials like this will naturally reform under torqued conditions. Also compensates for heating and cooling cycles over long periods without breaking down. If sized properly it should last the life of the truck and not leak!
Which washers are you referring to? Link? Thx
 

Dmax

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Dr. Zaius

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I have used several of these on past vehicles now I use valvomax better design in my opinion.. Never had any issues with the fumoto
I just ordered the ValvoMax valve.

Does it come with good washers or should I round up some good ones before it arrives?.
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