General Category > Quadrajet Carb Talk and Tips

Busted air/fuel screw stuck

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PMD1969:
When taking apart a Qjet base one of the screws popped the head off.  There is just enough left for a small pair of pliers to grab what is sticking out.  I know if I do this it will just tearing up the remaining amount of visible screw post and it won't come out.

What would be the best method to removing it?

429bbf:
do you have access to a small mig welder? if you do lay a washer over the little piece that is sticking out weld the screw to the washer and then tack a nut to the washer to screw it out . also when its hot from welding put some canning wax on the hot screw . the heat will pull the wax into the threads and it will screw right out.if you dont have a welder you may have to drill it. just make sure you get it perfectly centered.that way you can drill it completly out and chase the pieces out with a tap.hope this helps

PMD1969:

--- Quote from: 429bbf on March 10, 2013, 08:10:37 PM ---do you have access to a small mig welder? if you do lay a washer over the little piece that is sticking out weld the screw to the washer and then tack a nut to the washer to screw it out . also when its hot from welding put some canning wax on the hot screw . the heat will pull the wax into the threads and it will screw right out.if you dont have a welder you may have to drill it. just make sure you get it perfectly centered.that way you can drill it completly out and chase the pieces out with a tap.hope this helps

--- End quote ---

Unfortunately I do not have a welder.  The base plate has been cleaned and now I am going to check and see if a mix of ATF/Acetone will be safe enough on the plate material to then try and loosen the screw.  I have only two ways of getting it out.  One is using a Dremel to slice a notch and use a Flathead or clamp on and pray.

Ethan1:
 I hope your able to get it out of there. Please keep us posted!

PMD1969:
Still stuck.  I have let it soak with PB Blaster for days and then tried to turn it out with a pair of needle nose pliers.  Of course this screw is stuck in the hole where there is little space to grab it with  ::).  I am going to try ATF/Acetone after this.

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