Oil Drain Plug Gasket installation

Is there a way to install this WRONGLY? The one side is flat with a groove in the middle and the other side is semi-circular. Which side goes into the oil pan hole and which side fits against the drain plug
head?
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The groove in the middle should go "out" as you place it on the drain plug - it will eventually be the side that goes against the oil pan. That is one of those "crush-able" o-rings, and that groove is what provides the seal.
Key is to ALWAYS make sure you replace these crushable o-rings with every oil change. After they have been deformed that first time, if you try to re-use it, it will leak.
Hope this helps.
Tom Wenndt

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Rev. Tom Wenndt wrote:

Better yet, replace the plug with a Fram or Fumoto drain valve and eliminate the need to replace the crush washers. They also eliminate the need to handle oily drain plugs.
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I've wondered how these work. Haven't really ever heard anyone who actually used one over a period of time make a comment about them. How long have you had yours in Brian? How many oil changes has it gone through?
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-Mike-
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Mike Marlow wrote:

I installed a Fram valve at the first oil change, so after the change last weekend I guess I've done a total of five with it in place over the 2+ years I've had the car. Zero problems.
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Rev. Tom Wenndt wrote:

You should tell that to the original "crushable" o-ring under my 01 Santa Fe.
13 oil changes later, no leaks at the drain plug. I wish I could say that for the valve cover (leaking at gasket) that the idiot "Hyundai Certified" mechanic removed...
IMHO, if you're destroying those rings on every usage (at least the brass/copper ones like the factory used) you really need to lay off the drain plug torque - its not a lugnut.
JS
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You have me laughing at that, because often I have accused "fast oil change" mechanics of using the occasion to tighten the drain plug to do their chin-up exercises - it is unbelievable how tight that drain plug is when anybody other than me does the oil change.
Usually I only use two or three fingers on the wrench.
But still, if I forget to change that O-ring (which I have done twice), they have leaked.
But the dealer gives me a whole bag-full for nothing, so it is no big deal for me to change them.
Thanx for the info.
Tom Wenndt

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My Hyundai 1996 Accent has over 213,000 miles on it. I just changed the oil in it today, and on my wife's 1993 Impreza with over 230,000 albeit rusting miles on it. Both cars use/take the same generic NAPA shrink wrapped filter. Both cars still have the original so-called crushable washer. Now, let's see which car makes it to over 300,000 miles first?
Jozef

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Jozef wrote:

I never changed the washer on my '94 Excel, either. If it was "crushable", it never crushed. ;-)
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Rev. Tom Wenndt wrote:

I re-used the washer on my 4 cylinder Sonata as I didn't have one for the first oil change. No leak at all. I bought a bag with the case of filters I ordered online, but I don't see any problem re-using them a few times. The washer on my Chevy truck is the OEM washer and has been through 18 changes now.
Matt
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Rev. Tom Wenndt wrote:

Is the drain plug different on the V-6 vs. the I-4?
Matt
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