Tighten the plug the soft copper washer deforms to fill any gaps making a liquid tight seal.
Oil plug crush washer direction.
I ve re used my crush washer a few times and it s finally developed a slow leak.
I just wipe it clean.
They re commonly found any time a threaded fastener has to seal in a liquid.
Joined jan 20 2006 357 posts.
The washer by the way is a strange beast.
The most common example is the crush washer under the oil drain plug of most cars.
Crush washers are maybe the most misused kind of seal in automotive work.
And why should you re use an oil drain plug gasket.
Oil drain plug crush washer orientation 05 05 2019 04 32 pm i m changing my oil for the first time and noticed the crush washers were oriented differently and the change before was supposedly done by a factory certified yamaha dealership.
Either way when i removed the drain plug i could not get the original crush washer off the plug.
Don t believe me watch flat rate masters last video and correct me.
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.
Nonetheless i think changing the crush washer every time is pointless but so is changing oil as often as a lot of us do.
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.
Some cars have crush washers some have a nice o ring built into the plug some have nothing.