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11-17-2018, 06:09 PM | #1 |
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Installing Fumoto oil drain valve, question on gasket and crush washer
I'm about to install the drain valve and it comes with a rubber gasket. I got a new crush washer in anticipation for this install, but I am now questioning the order these 2 would be installed. Is it even advisable to use both,. If so, what is the install order (pan>crush washer>rubber gasket>drain valve)?
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11-17-2018, 06:44 PM | #2 |
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IIRC, I just used the OEM crush washer.
I'm no expert but using 2 washers doesn't seem like a good idea engineering wise.
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11-18-2018, 12:11 PM | #3 |
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A "crush washer" does just that.
It would "crush" a secondary rubber washer to useless bits before it did it's primary job. My FuMoto came with a fiber washer a few years ago. I used that along with clean surfaces and a slight film of RTV sealant. I don't anticipate needing to remove it again for the life of the oil pan. I don't recall exactly how wide the sealing surface is on the valve itself, but I don't think that it is wide as the original pan bolt. If the valve was supplied with a washer, use that instead. Don't torque it to metal bolt / metal washer specs. That would split the rubber.
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11-23-2018, 01:16 PM | #4 |
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I used the included rubber washer.
Do not install both. Crush washer will not "crush" properly with a rubber washer next to it. When you tighten down the valve, make sure you tighten it with a crescent wrench on the body of the valve and not a socket on the hex end of the valve or you will damage it:http://www.fumotousa.com/installation.php Enjoy your easy oil changes! |
12-04-2018, 08:42 AM | #5 |
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I just used the fiber washer that came with it, going on 3 years soon with no leaks.
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12-04-2018, 11:15 AM | #6 |
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This.
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