Originally Posted By: xlt4me
I have a very slow, but annoying, leak coming from the oil pan drain plug on a 2000 CRV. I use a new crush washer each time but once in a while I get a leak even though the drain plug is plenty tight. I have a stash of crush washers that are a mixture of OEM Honda and after market ones from RockAuto. I suspect that maybe the after market ones are a harder aluminum.
Has anyone else had this problem? Is there an alternative rubber or plastic washer I can use?
Have you check to see if you have nicks or pits on the mating surface where the crush washer meets the bolt?
With a fresh new crush washer, I simply cannot see how it would still leak unless (a) the leak is coming from elsewhere; (b)it isn't torqued properly.
Lastly, crush washer is meant to be "crushed" to conform to any irregularities that may happen on the 2 mating surfaces to create a perfect seal and if you cannot obtain such seal, something is fundamentally wrong to begin with. So, instead of focusing on half-ash job in continuing what you do in hopes of sealing, can you take the oil pan off and see if it's cracked or check to see if there's a mating surface irregularities?
Q.