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#4722797 - 04/10/18 02:08 PM Old washer change torque?
pda1122 Offline


Registered: 09/22/05
Posts: 217
Loc: Maine, USA
Just wondering if reusing your old drain plug washer has any effect on torque values. Iím guessing itís very minimal but something to think about
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#4722827 - 04/10/18 02:57 PM Re: Old washer change torque? [Re: pda1122]
newbe46 Offline


Registered: 01/19/17
Posts: 180
Loc: Ontario, Canada
I have re-used old drain plug washer on a few occasions. I don't recommend it but if I must do it, I won't lose sleep over it either. Assuming my torque wrench is calibrated spot on, then I might just put another lb-ft more than what's called for. As long as I don't see any drips of oil from the drain plug, I'll call it a day.
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#4722837 - 04/10/18 03:08 PM Re: Old washer change torque? [Re: pda1122]
mclasser Offline


Registered: 04/13/13
Posts: 2174
Loc: The Northeast
I've used the same combo wrench for years on my drain plugs so I have a good feel for when everything is tight enough. I reused a crush washer once and it caused a leak. I had to go back and snug up the plug an extra 1/16th of a turn to stop the leak. A new crush washer wouldn't have needed that extra snugging up.
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#4722849 - 04/10/18 03:30 PM Re: Old washer change torque? [Re: pda1122]
mightymousetech Offline


Registered: 04/03/17
Posts: 1320
Loc: Ontario, Canada
Why would you reuse a crush washer?
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#4722881 - 04/10/18 04:09 PM Re: Old washer change torque? [Re: pda1122]
mk378 Offline


Registered: 09/27/15
Posts: 1332
Loc: USA
The torque spec is based on not stripping the threads. If it leaks when properly torqued, you need a new washer.

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#4722907 - 04/10/18 04:51 PM Re: Old washer change torque? [Re: pda1122]
SHOZ Offline


Registered: 06/28/03
Posts: 5603
Loc: Illinois
When I have reused them I just flip them around. When you have to pry them off the plug threads then I change them.
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#4722932 - 04/10/18 05:45 PM Re: Old washer change torque? [Re: pda1122]
Leo99 Offline


Registered: 03/30/14
Posts: 2877
Loc: NJ
I've reused them. Never used a torque wrench. Just get it good and snug.
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#4722965 - 04/10/18 06:25 PM Re: Old washer change torque? [Re: pda1122]
philipp10 Offline


Registered: 05/09/14
Posts: 1150
Loc: Minnesota
Originally Posted By: pda1122
Just wondering if reusing your old drain plug washer has any effect on torque values. Iím guessing itís very minimal but something to think about


I have never replaced my washers....ever. And I use my arm for my calibrated torque wrench. Never have had a leak.

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#4722987 - 04/10/18 06:47 PM Re: Old washer change torque? [Re: SHOZ]
Linctex Offline


Registered: 12/31/16
Posts: 5718
Loc: Waco, TX
Originally Posted By: SHOZ
When I have reused them I just flip them around. When you have to pry them off the plug threads then I change them.


Same here... still serviceable = still in service!

I have never "torqued" an automotive drain plug in my life.

I know when to stop - most jiffy shops stops when it's about 3% away from stripping the threads out!
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#4723445 - 04/11/18 09:39 AM Re: Old washer change torque? [Re: pda1122]
bmwpowere36m3 Offline


Registered: 04/29/07
Posts: 628
Loc: Connecticut, USA
Flip the washer around... or if its copper, heat it (dull red glow) and let it cool slowly. I always replace them (have a huge assortment), but for the odd size I don't have and in a pinch... I'll try and reuse.

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#4724280 - 04/12/18 03:22 AM Re: Old washer change torque? [Re: Leo99]
Loopie Offline


Registered: 09/09/08
Posts: 272
Loc: California
I just keep on reusing them and no torque wrench needed.


Edited by Loopie (04/12/18 03:23 AM)
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#4724290 - 04/12/18 04:14 AM Re: Old washer change torque? [Re: pda1122]
Lubener Offline


Registered: 01/22/11
Posts: 2505
Loc: N.Ohio
Just snug it up, no rocket science here.
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