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Author Topic: Over tightened oil sump plug  (Read 1427 times)

Offline maysani

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Over tightened oil sump plug
« on: October 03, 2018, 04:10:37 pm »
I have over tightened the oil sump plug an damages the thread of the sump. it is  leaking  now. how can I stop the leak and what is the next size up to the plug that I can order to block the leak
« Last Edit: October 03, 2018, 08:26:00 pm by Mirez »

Offline johnnyroper

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Re: Over tightened oil sump plug
« Reply #1 on: October 03, 2018, 05:19:37 pm »
Get yourself one of these kits it is designed for spark plug holes but will work fine for sump plug.
If memory serves correctly m14 x 1.25 is same as VW sump plug,if not get yourself a m14 x 1.25 plug aswell.
When you wind insert in to sump make sure hole is clean and dry and use some thread locker.

Offline Dave F

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Re: Over tightened oil sump plug
« Reply #2 on: October 04, 2018, 01:27:31 pm »
Try a wheel nut, worked for me just fine

Offline maysani

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Re: Over tightened oil sump plug
« Reply #3 on: October 04, 2018, 09:03:13 pm »
do you mean the galaxy wheel nut is the next size up? i.e. take off the existing plug and screw the wheel nut instead

Offline brianh

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Re: Over tightened oil sump plug
« Reply #4 on: October 04, 2018, 10:04:53 pm »
I think your more likely to find its the same size, but longer than the original plug.

Unless your happy its not going to come out, I'd go with the tool posted above, you cut a new thread with the tap included then screw the insert into the new hole, giving you the original thread, but in a stronger material than the original aluminum sump so its less likely to tear out in the future.

Offline johnnyroper

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Re: Over tightened oil sump plug
« Reply #5 on: October 04, 2018, 10:57:33 pm »
If you go with the insert just install with high strength stud locker rather than standard loctite,it will not come out unless you stick sump plug back in with a breaker bar.

Offline Dave F

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Re: Over tightened oil sump plug
« Reply #6 on: October 06, 2018, 12:00:34 pm »
It was just a short one I had lying around

 

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