quote:I do the same thing with nylon washers. I use 'em until they start to leak. In 25 years of changing my own oil, I've only ever had to replace one nylon washer because it cracked and started leaking.
Originally posted by MNgopher: Depends - if its a Nylon "crushable" washer, I replace every time. Otherwise, if its copper or other metal, I use until it leaks, then replace.