They need to be changed?
They need to be changed?
The term "crush washer" is incorrect. It is just a plain flat aluminum washer and you need to replace it only if you see a visible groove cut in it by the drain plug bolt head. This should not happen if you do not overtighten the drain plug.
A "crush washer" is one that actually flattens as you tighten the drain plug. Many Nissan vehicles have those. I have it on my Suzuki Bandit 1250S.
To replace the old one? 52000 miles and only on second washer and that was only because I installed a mag drain plug. Nary a drop leaked. Maybe it's a combination of KIPASS and the Lucas full syn. I run I do check it each time I change the oil.
You only changed your oil twice in 52000 miles?Heck, my first change was under a hundred miles on the odo, I used a coffee filter to see shat came out, lots of silver color for sure, I dumped the still good oil in the backhoe and some nice fresh Lucas full syn. I change the oil as soon as shifting starts feeling notchy or before a big trip. I also change after a hard day at the track, WFO, brakes and back to WFO. Repeat. Sometimes we even blow by the man made coned chicane at lunch time. Makes for some quick laps and gets the heart rate up there.