V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

TB Help

Old Apr 9, 2006 | 10:20 AM
  #1  
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Car: 91 Camaro RS
Engine: 3.1L V6
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TB Help

I was disassebling my trottle body and I sheared one of the screws holding in Trottle positon sensor and I have nothing to grab onto to get it out. I was wondering how much someone could make me a bigger trottle body for and if anyone has one lieing around. I was trying to get a apart to paint it and make it look a little nicer. Its for the 3.1l engine too.
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Old Apr 9, 2006 | 10:35 AM
  #2  
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From: NWOhioToledoArea
Car: 86-FireBird
Engine: -MPFI
Transmission: T5
Axle/Gears: 3:42
pm sent dusty.

though it should be easy to remove. Justdrill the center of the bolt out and use a tiny sharp chisel or screw driver to tap it out slow.
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Old Apr 9, 2006 | 11:39 AM
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Car: 1988 Camaro RS
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Transmission: Stick Shift
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I used a tiny drill and Easy Out when I did that to mine.
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Old Apr 11, 2006 | 04:34 PM
  #4  
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Car: 91 Camaro RS
Engine: 3.1L V6
Transmission: 700R4
Axle/Gears: Stock 3.23 open diff
Sheared the two little bolts getting the butterfly out today. This things is a nightmare. Now how do you get the actual rod out that the butterfly is screwed into?
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Old Apr 11, 2006 | 06:53 PM
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From: Castaic, CA
Car: 1988 Camaro RS
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Transmission: Stick Shift
Axle/Gears: 3.42's
Originally Posted by DustyJL
Sheared the two little bolts getting the butterfly out today. This things is a nightmare. Now how do you get the actual rod out that the butterfly is screwed into?
You don't. It's supposed to be permanently assembled. If it ever needs any kind of MAJOR sevicing(I don't know what exactly that would entail, never needed to do one) it needs to be replaced.

Just be happy you don't have an OBD-II Honda Accord, if the TPS goes bad, you have to replace the entire TB, that's the only way to get a TPS. $497 from the dealer.
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Old Apr 12, 2006 | 03:31 AM
  #6  
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From: NWOhioToledoArea
Car: 86-FireBird
Engine: -MPFI
Transmission: T5
Axle/Gears: 3:42
Its normal for them screws to break off if you don't wack the back of them off first. See once installed they take a chisel and put an x in the back side of the screw sticking out. So there is no way they could come out on their own.

But the shaft comes out real easy. Its all comes apart real easy.

on the other end of the shaft [ not the throttle cable side] there is just a clip washer that holds it in. Ya know a washer that has a big hole near edge and smaller hole in center. shaft slide in the big hole and then snaps into the smaller hole via a grove in the end of the shaft.

Just keep taking stuff off the TPS side. its down under it.
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Old Apr 12, 2006 | 10:58 AM
  #7  
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From: NWOhioToledoArea
Car: 86-FireBird
Engine: -MPFI
Transmission: T5
Axle/Gears: 3:42
Originally Posted by 2_point8_boy
You don't. It's supposed to be permanently assembled. If it ever needs any kind of MAJOR sevicing(I don't know what exactly that would entail, never needed to do one) it needs to be replaced.

That is so wrong in so many ways.........

Don't spread stuff like that.
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Old Apr 12, 2006 | 11:40 AM
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Car: 1985 Berlinetta
Engine: Megasquirted TPI
Transmission: Transgo 700R4
Axle/Gears: 3.42
the two screws on my TB were actually spot welded in.

Last edited by Toehead; Apr 12, 2006 at 02:24 PM.
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Old Apr 12, 2006 | 12:18 PM
  #9  
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From: NWOhioToledoArea
Car: 86-FireBird
Engine: -MPFI
Transmission: T5
Axle/Gears: 3:42
Probably a good idea to tac weld em.

If you ever been on an older car where one of the throttle scrw came out, you would know why they do that.

You would be awful suprised on how much racket a tiny screw can make. Then usually the throttle sticks off and on from the lose butterfly. And 90% of the time people don't figure it out. They think its a rod knock combined with sticky throttle and sell a car for cheap that is to easy to fix. Its not real common but cause most never figure it out........... it goes un noticed.
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Old Apr 12, 2006 | 03:10 PM
  #10  
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From: Rochester
Car: 91 Camaro RS
Engine: 3.1L V6
Transmission: 700R4
Axle/Gears: Stock 3.23 open diff
Anybody have a working 3.1l trottle body they want to sell me for cheap??
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Old Apr 12, 2006 | 08:07 PM
  #11  
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From: Castaic, CA
Car: 1988 Camaro RS
Engine: 2.8L of Raw POWER!!!
Transmission: Stick Shift
Axle/Gears: 3.42's
Originally Posted by DustyJL
Anybody have a working 3.1l trottle body they want to sell me for cheap??
That's why I said that...

If it was left alone, the car would still be running and he wouldn't be trying to buy another one...
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Old Apr 12, 2006 | 09:37 PM
  #12  
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From: Connecticut
Car: 2005 Lincoln LS, 83' Z28
Engine: 242 DOHC and an empty engine bay.
Transmission: 5R55S, T5 soon to be auto
Axle/Gears: 3.58s and soon to be 4.10s
Ill sell you mine for $20 plus shipping as soon as I finish my new plenum w/ TPI tb.. Should be done before the weekend is over..
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Old Apr 18, 2006 | 08:55 AM
  #13  
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From: Storrs, CT
Car: Black 89 Camaro RS w/t-tops
Engine: 2.8L (173ci) v6
Transmission: 700r4
u got schematics for that new plenum of your with the tpi tb? send me a pm!!!
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