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+--- Thread: Quickie (ooh ahh missus!) - crush washer size and material? (/showthread.php?tid=69618)
Quickie (ooh ahh missus!) - crush washer size and material? - River Valley - 15-07-14
About to do my first oil/filter change.
Anyone kind enough to tell me what size and material crush washer normally used for the sump drain plug?
Thanks.
Re: Quickie (ooh ahh missus!) - crush washer size and material? - limax2 - 15-07-14
The drain plug is 14mm diameter, so the washer is usually between 14 to 14.5mm inside diameter and about 22mm outside diameter.
Re: Quickie (ooh ahh missus!) - crush washer size and material? - River Valley - 15-07-14
Thanks.
Copper or Alu? or doesn't matter which? Anyone?
Re: Quickie (ooh ahh missus!) - crush washer size and material? - limax2 - 15-07-14
I prefer copper but it doesn't really matter which. If I'm stuck for a new one I sometimes anneal a copper washer and use it again.
Re: Quickie (ooh ahh missus!) - crush washer size and material? - noggythenog - 15-07-14
& here's a pic......we do like pics 8)
Re: Quickie (ooh ahh missus!) - crush washer size and material? - elbrownos - 15-07-14
Out of interest, why do people think it's so important to replace it?
I've done dozens of oil changes, never changed the washer, never had even a drip.
It's not like there's any pressure behind it.
Re: Quickie (ooh ahh missus!) - crush washer size and material? - Dave48 - 16-07-14
(15-07-14, 11:09 PM)elbrownos link Wrote: Out of interest, why do people think it's so important to replace it?Its just good workshop practice. Youre tightening a steel bolt into alloy -hopefully to the right torque setting-&as the name suggests, its a crush washer designed to "spread" behind the bolt head forming a good seal. For the sake of a few pennies its peace of mind.
I've done dozens of oil changes, never changed the washer, never had even a drip.
It's not like there's any pressure behind it.
Probably more damage is done by overtightening components-its very common to see threads in alloy damaged by steel bolts/screws.