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screw head broke off for tps in throttle body.. now what? by doublec4
Started on: 05-31-2007 03:45 PM
Replies: 18
Last post by: Chicken McNizzle on 06-01-2007 01:08 PM
doublec4
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Report this Post05-31-2007 03:45 PM Click Here to See the Profile for doublec4Send a Private Message to doublec4Direct Link to This Post
I was replacing my tps sensor, got the top screw out, went to do the bottom and the head of the screw just snapped off. The tps came off but now I have the threaded part of the screw (with some sticking out) stuck in the throttle body....

what can I do about this?

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Fastkx
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Report this Post05-31-2007 03:54 PM Click Here to See the Profile for FastkxSend a Private Message to FastkxDirect Link to This Post
Do you have a pair of needle nose vise grips ? Just a thought if there is enought to get ahold of with vise grips.
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doublec4
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Report this Post05-31-2007 03:59 PM Click Here to See the Profile for doublec4Send a Private Message to doublec4Direct Link to This Post
I don't have those but Im sure I could find a pair... hopefully the rest of it doesn't snap.... I couldn't believe how brittle it was...

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doublec4
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Report this Post05-31-2007 11:00 PM Click Here to See the Profile for doublec4Send a Private Message to doublec4Direct Link to This Post

doublec4

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bump.... anybody else know what I could do about this?
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Dodgerunner
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Report this Post05-31-2007 11:12 PM Click Here to See the Profile for DodgerunnerClick Here to visit Dodgerunner's HomePageSend a Private Message to DodgerunnerDirect Link to This Post
The body of the TB is Alum. and the screws like to sieze so you want to soak the threads with PD or WD before you try to remove it. I'd even put a little heat on the part of the screw left (not the TB itself) and then use a pair of vise-grips to break it loose. Don't just try to screw it out but work it back and forth a small amount to see if it starts to move. When it does put on more WD before you start to remove it and work slowly.

[This message has been edited by Dodgerunner (edited 05-31-2007).]

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88 Silver Formula
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Report this Post05-31-2007 11:13 PM Click Here to See the Profile for 88 Silver FormulaSend a Private Message to 88 Silver FormulaDirect Link to This Post
thats about your only option here..if that doesnt work then youl have to drill it out...use a reverse drill bit..then easy out..
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CorvetteFan86
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Report this Post05-31-2007 11:13 PM Click Here to See the Profile for CorvetteFan86Click Here to visit CorvetteFan86's HomePageSend a Private Message to CorvetteFan86Direct Link to This Post
Google is a fiero owners friend ;-) http://www.bhi.co.uk/hints/screws.htm

Hope it helps ;-)
Tommy
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mickeyswing52
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Report this Post05-31-2007 11:14 PM Click Here to See the Profile for mickeyswing52Send a Private Message to mickeyswing52Direct Link to This Post
Spray some PB blaster or some kind of penetrating oil on the bolt, then take a small hammer and tap on the end of the bolt a few times. Then try to remove it with a pair of vise grips.
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RWDPLZ
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Report this Post05-31-2007 11:17 PM Click Here to See the Profile for RWDPLZSend a Private Message to RWDPLZDirect Link to This Post
Same thing happened to me, I had to remove the whole TBI and take out what was left with needle nose pliers. Buy a new TBI base gasket, and now would be a good time to replace the fuel filter if you haven't recently, and check the vacuum lines.

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doublec4
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Report this Post05-31-2007 11:33 PM Click Here to See the Profile for doublec4Send a Private Message to doublec4Direct Link to This Post
Thanks for the tips guys! I'll soak it over night and see what I have in terms of needle nose pliers etc. tomorrow... It just chaps my a$$ when this kind of thing happens... I just had my decklid and spoiler repainted and I really want to get out there and show it off but now its stuck in the garage again haha

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Chicken McNizzle
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Report this Post05-31-2007 11:37 PM Click Here to See the Profile for Chicken McNizzleClick Here to visit Chicken McNizzle's HomePageSend a Private Message to Chicken McNizzleDirect Link to This Post
God's way of telling you that you must install a Darrell Morse bored out throttle body, do it now, baby jesus is crying!

HAHA

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doublec4
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Report this Post05-31-2007 11:47 PM Click Here to See the Profile for doublec4Send a Private Message to doublec4Direct Link to This Post
 
quote
Originally posted by Chicken McNizzle:

God's way of telling you that you must install a Darrell Morse bored out throttle body, do it now, baby jesus is crying!

HAHA



hahaha, I have two spare tb's here but none are bored out. I'm thinking dual throttle body intake mwuahah

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rogergarrison
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Report this Post06-01-2007 09:23 AM Click Here to See the Profile for rogergarrisonSend a Private Message to rogergarrisonDirect Link to This Post
Very common problem. Usually TPS comes with new screws, use them, coated with anti seize. The one stuck in there should come out with vice grips, mine did. Otherwise you need to take a dremel and grind the end smooth, center punch the end of the broken screw and drill it out.

You think thats hard, wait till you try and take the exhaust manifolds off.........
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doublec4
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Report this Post06-01-2007 09:25 AM Click Here to See the Profile for doublec4Send a Private Message to doublec4Direct Link to This Post
The exhaust manifolds are next... luckily they were out not too long ago, so I'm hoping they're not seized and stuck

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Derek2M6
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Report this Post06-01-2007 09:56 AM Click Here to See the Profile for Derek2M6Send a Private Message to Derek2M6Direct Link to This Post
 
quote
Originally posted by rogergarrison:
[...]

You think thats hard, wait till you try and take the exhaust manifolds off.........


Or it could be like the ones I just took off my old engine for Chris, where the bolts were basically finger tight. I'm surprised that engine never had an exhaust leak.
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doublec4
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Report this Post06-01-2007 11:08 AM Click Here to See the Profile for doublec4Send a Private Message to doublec4Direct Link to This Post
The vice grips work.... its turning the rest of the screw, but its not coming out. Something is wrong with the threads... now what?

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Pyrthian
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Report this Post06-01-2007 11:13 AM Click Here to See the Profile for PyrthianSend a Private Message to PyrthianDirect Link to This Post
soak it. heat it. soak it. heat it. tap it with hammer. turn towards tightening. DONT BREAK whats left of it. drill it. replace TB.

also - the shoddy approach - but it WILL work just fine: ignore it. put the new TPS on, and put a dab of epoxy on it. it carries no load.
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doublec4
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Report this Post06-01-2007 12:01 PM Click Here to See the Profile for doublec4Send a Private Message to doublec4Direct Link to This Post
I'm temporarily taking the shoddy approach. Whats left of the screw is holding the bottom in place, I put a nice new screw in the top. It doesn't rotate or move as the throttle is applied. It will have to do for the time being because I want to drive the car.

I plan on replacing the throttle body and upper intake manifold anyways.

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Chicken McNizzle
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Report this Post06-01-2007 01:08 PM Click Here to See the Profile for Chicken McNizzleClick Here to visit Chicken McNizzle's HomePageSend a Private Message to Chicken McNizzleDirect Link to This Post
If you don't have another one talk to Chris at WCF, theres ALWAYS at least 5 spare anything off of a Fiero at the shop.

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