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C4 Open Discussion General and technical C4 Corvette discussion - ownership, maintenance, repairs, modifications, tuning |
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03-28-2011, 7:19pm | #1 | ||||||
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torx bit size?
Can anyone tell me the size torx bit to remove the fuel pressure regulator on an 1989 coupe? I have a few assorted bits but none seem to fit.
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03-28-2011, 8:50pm | #2 | |||||||
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took some pix
Quote:
Looking at it a little closer like with a magnifying glass It looks like there's a little nub in the middle. What the heck is that? |
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03-28-2011, 9:40pm | #3 | ||||||
A Real Barner
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Do a google search on "tamper proof torx bit" I'm guessing GM doesn't want you to mess with it.
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03-28-2011, 10:31pm | #4 | |||||||
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Tamper Proof?
Quote:
What have you guys done? |
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03-28-2011, 10:51pm | #5 | ||||||
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I just bought an E4 torx socket to work on my opti. You can usually buy single bits or sockets. Look around though, I came across prices as high as $20 but bought it for $7 after shipping. Once you figure out what size you need just type it in on your search bar.
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03-28-2011, 11:41pm | #6 | ||||||
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Thank you General Motors
It's about impossible to know what size I need if I can't even get one in there. I need to know what the size is beforehand so I can buy one at the local auto store. At least I now know it's a tamper proof bit. Thanks GM. Maybe I should just leave it alone. Changing the part will probably not make any difference in performance anyway. And by performance I mean normal running. It's embarrassing to be so slow.
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03-29-2011, 2:16am | #7 | ||||||
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Found the answer, sort of.
Ok, a little research on another site reveals that it is possible to knock out those "security" nubs. Or one can buy a security torx bit. The right size torx bit is t10. If anyone looks at this thread in the years to come they will have an answer.
As for me, I plan to leave it alone and look elsewhere for the answer to my problem. I'll come back to it if need be. |
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03-20-2012, 1:28pm | #8 | ||||||
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You can buy a regulator for a little bit more than the wrenches will cost, then you know it is right. They don't call it tamper proof for no reason.
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03-20-2012, 4:41pm | #9 | ||||||
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old thread
Sundown, although this thread is over a year old I will respond. Even when I bought a new FPR I still needed to take off the cover with the torx screw to get the new piece installed. This I did and the car is running very smoothly. The right torx bit cost me a buck at Autozone.
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12-11-2012, 1:58pm | #10 | ||||||
Vette Barn Crew
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Another option I've seen people do is buy a cheap junky bit and dimple or drill a small hole in the middle to go over the tamper pin.
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