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Tips for removing stripped oil filter cover bolt?


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I had exactly the same problem with stock oil filter cover. My bolt looked just like yours. I bought this as a last ditch effort to get it off. Worked like a charm. The spiral edges inside the socket dig into the bolt head and don't let it go. 

Worth the money and saved a lot of aggravation. 

20210411_114453.jpg

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Try cutting a slot in the center of the bolt with a hacksaw or cutting wheel on a die grinder.  Get a flat tip bit on an impact drill in the slot and go easy on the trigger. 

Good luck!

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15 hours ago, Squidley said:

Are you planning on replacing it once you get it off?

Probably because I don’t want to mess with time and time again.  The spin on adapter looks like a fine alternative.  Anybody else have good luck?

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3 hours ago, Midicat said:

Yes. The whole purpose of removing it was to switch to a spin-on adapter. That bolt was looking far too tired to keep doing this for much longer. 😂

Sounds like the right investment considering I’d be replacing it anyway.  That bolt extractor kit looks wicked familiar to me but I can’t for the life or me place where I’ve used one.  I didn’t find it in my Arsenal so maybe I borrowed one sometime.  I have a kit for stripped screw heads but not hex.

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18 hours ago, Pasta Burner said:

Sounds like the right investment considering I’d be replacing it anyway.  That bolt extractor kit looks wicked familiar to me but I can’t for the life or me place where I’ve used one.  I didn’t find it in my Arsenal so maybe I borrowed one sometime.  I have a kit for stripped screw heads but not hex.

Amazon has them. 

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Spin on adapter came in just a couple days and seems to be working perfectly with no leaks.  To get the old bolt and cover off I bought an extractor set like @Midicat posted from Harbor freight https://www.harborfreight.com/38-in-drive-metric-bolt-extractor-socket-set-9-pc-67894.html

the 12mm didn't grip but tapping the 11mm on it grabbed with the GI Joe Kung Fu Grip, used a 3/8 to 1/2 adapter and breaker bar and made short work of the whole process.

I remember when I used one of those extractor sockets now, I know I used it on a lug nut on my Wrangler and I’d put money in I had rented it from my local auto store way back in the day.  
 

thanks all for the help.

56BBD73E-53D1-415F-9ED7-7F29060DFEE1.jpeg

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Sorry to be the devils advocate but when I checked the price of that adapter and since I have no issue with the stock filter setup,  I figure I can buy a lot of filters for that money. Biggest reason those bolts are hard to take out is the tendency people have for over tightening them.

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At least for me, the spin on adapter is less about saving money and more about convenience.

The filters available from any auto parts store and there is no chance of pinching the O-Ring gasket or stripping the bolt.

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37 minutes ago, saddlebum said:

Sorry to be the devils advocate but when I checked the price of that adapter and since I have no issue with the stock filter setup,  I figure I can buy a lot of filters for that money. Biggest reason those bolts are hard to take out is the tendency people have for over tightening them.

It was for sure over tightened as I could barely get a socket on it to begin with.  Figuring I was going to replace the bolt anyway the cost of the adapter is a wash.  My local Yamaha dealer selling the bolt for $65, adapter to my door $70 plus the filter being half the price I came out even.  Bolt is maybe salvageable so I’ll keep it with the cover in case someday myself or another member needs it.

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