And why should you re use an oil drain plug gasket.
Oil plug crush washer direction.
I ve re used my crush washer a few times and it s finally developed a slow leak.
Some cars have crush washers some have a nice o ring built into the plug some have nothing.
Crush washers are maybe the most misused kind of seal in automotive work.
Discussion starter 1 jul 15 2007.
I ve been changing my own oil for over 20 years and i ve never replaced a crush washer and i ve never had a leak at the plug.
I just wipe it clean.
Joven wrote i changed the oil for the first time this afternoon i purchased the replacement crush washer for the drain filter from the nearest dealer.
Either way when i removed the drain plug i could not get the original crush washer off the plug.
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Don t believe me watch flat rate masters last video and correct me.
Tighten the plug the soft copper washer deforms to fill any gaps making a liquid tight seal.
Nonetheless i think changing the crush washer every time is pointless but so is changing oil as often as a lot of us do.
The most common example is the crush washer under the oil drain plug of most cars.
The washer by the way is a strange beast.
They re commonly found any time a threaded fastener has to seal in a liquid.