Opps! I I left a mark...
#1
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I was trying to extract the broken screw and accidentally put a scratch mark on it...
![](https://sphotos-b.xx.fbcdn.net/hphotos-ash4/484270_488560364532283_444561184_n.jpg)
![](https://sphotos-b.xx.fbcdn.net/hphotos-snc6/8847_488560417865611_1463346590_n.jpg)
I can feel it when I run my finger over it... what should I do? 1000 grit sand paper? Or gasket sealant on that area when putting the new gasket/pump on?
![](https://sphotos-b.xx.fbcdn.net/hphotos-ash4/484270_488560364532283_444561184_n.jpg)
![](https://sphotos-b.xx.fbcdn.net/hphotos-snc6/8847_488560417865611_1463346590_n.jpg)
I can feel it when I run my finger over it... what should I do? 1000 grit sand paper? Or gasket sealant on that area when putting the new gasket/pump on?
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Thanks for everyone's reply.
Apparently that scratch mark seems like a tiny problem compare to this...
![](https://sphotos-b.xx.fbcdn.net/hphotos-prn1/31471_489146394473680_238316240_n.jpg)
Basically I drilled it out up to 5/8, then the bolt extractor eat the rest of the metal include a little bit of the case, yet the stupid bolt still won't come out.
Here is another stupid bolt, except I didn't drill to the case... yet.
I am thinking of trying another bolt extractor... Any suggestions?
Apparently that scratch mark seems like a tiny problem compare to this...
![](https://sphotos-b.xx.fbcdn.net/hphotos-prn1/31471_489146394473680_238316240_n.jpg)
Basically I drilled it out up to 5/8, then the bolt extractor eat the rest of the metal include a little bit of the case, yet the stupid bolt still won't come out.
Here is another stupid bolt, except I didn't drill to the case... yet.
![](https://sphotos-a.xx.fbcdn.net/hphotos-ash3/562604_489146364473683_1601520436_n.jpg)
I am thinking of trying another bolt extractor... Any suggestions?
#7
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All the bolt at the bottom of the pump are broken.
![Frown](https://rennlist.com/forums/images/smilies/frown.gif)
So far, I tried soaking it with liquid wrench for 1 whole week, torch it, drill it then use screw extractor. I am out of idea...
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#9
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did you try putting a torch to it and then trying to use 2 nuts to back it out? That worked for me when i had doubts about it breaking when i was trying to take it out.
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Really don't want to drill the block
![Frown](https://rennlist.com/forums/images/smilies/frown.gif)
btw it is M6x1.0, right?
#11
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Way beyond screwed.
While waiting time-sert from mail I decided to try screw extractor once more.
![](https://fbcdn-sphotos-e-a.akamaihd.net/hphotos-ak-frc3/893109_489872871067699_1611315111_o.jpg)
Now I have to drill out two pieces of broken heat treated tampered carbon steel screw extractor
While waiting time-sert from mail I decided to try screw extractor once more.
![](https://fbcdn-sphotos-e-a.akamaihd.net/hphotos-ak-frc3/893109_489872871067699_1611315111_o.jpg)
Now I have to drill out two pieces of broken heat treated tampered carbon steel screw extractor
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Try to find a couple of tungsten carbide bits that are smaller than the drill bit in your TIME-SERT kit. I'm sorry to say that they're expensive. Very slowly and carefully work on drilling all that stuff out of there before you start with the TIME-SERT.
Run the drill slowly.
It's going to take time and care, so don't even start it until you're able to give it both. Make sure to carefully read the instructions in the TIME-SERT kit. Do as it says and it should go well.
Run the drill slowly.
It's going to take time and care, so don't even start it until you're able to give it both. Make sure to carefully read the instructions in the TIME-SERT kit. Do as it says and it should go well.