How to deal with a stuck screw? - Subaru WRX Forum
 
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#1 Old 09-11-2011, 02:22 PM
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How to deal with a stuck screw?

My gf's IAC valve is acting up. I cannot for the life of me get these 2 screws off. 9 years of sitting has defeated 3 dowsings of Liquid Wrench, pliers, and flat head and philips head screwdrivers. I'm gonna chew these soft screws apart long before they budge. Any recommendations?

Last edited by brfatal; 09-11-2011 at 10:15 PM.
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#2 Old 09-11-2011, 04:26 PM
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Is the heads stripped or just won't move? If they're stripped you might want to get a tap kit or most places call it a screw extractor.

Kirt
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#3 Old 09-11-2011, 10:25 PM
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They aren't not stripped because I was being as careful, they just won't move.
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#4 Old 09-11-2011, 10:29 PM
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If you know or can get your hands on a "brutus" bar would be awesome, or a second set of hands is an option you can put your vice grips on your screwdriver, apply pressure as someone hits firmly with the hammer and you turn methodically might work also. Those are my first two choices when trying to get a stripped crew of an army helicopter.

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#5 Old 09-12-2011, 05:43 AM
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Put the screwdriver on one and hit(softly) the top of it with a hammer, it should budge the screw enuff to get it started, if not hit the top of the screwdriver a little harder each time.

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#6 Old 09-12-2011, 09:06 AM
 
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I know it sounds weird, but get a tube of valve lapping compound from the parts store. Get a brand new screw driver with exactly the right tip (#1, #2 etc.) Put a dab of the compound on the tip of the screwdriver. It will grip the screw so much better, you'll be amazed. This will prevent rounding out the head. It also works very well on Allen head bolts.

The vise grip/hammer tap method works even better with the technique above.

Are you replacing the IACV or cleaning it ?

When mine was throwing a code (P0628, I think) and stalling at idle, a good cleaning was all it needed. Be sure to have a new gasket for it when you reinstall.

Cullen
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#7 Old 09-12-2011, 07:10 PM
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I forgot all about that Cullen, you can use that, dirt, some Ajax, or scrubbing compound at that. Just helps fill in where the screwdriver isnt. Very good advice.

Joshua
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#8 Old 09-15-2011, 03:43 PM
 
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Soooo......???

Cullen
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#9 Old 09-21-2011, 07:43 AM
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Impact screwdriver.......done.

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#10 Old 09-21-2011, 08:28 PM
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You can tell dum dum has done this a couple times....a impact screwdriver and the BFH fix. Lol, probably don't want to hit it too hard though. These days in my line of work....I see that a lot of little metal pieces like screws and lag bolts are made from some piss poor chinese metal. The head of the screw/lag will snap right off the body when forced too hard. Then its either give up and go else where or if your that tight assed about using the same hole you need these. Screw Extractors which you can buy screw extractors at any hardware store most of the time.
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