General Category > Quadrajet Carb Talk and Tips

Pulling idle tubes

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stevef:
I read in Cliff's book about pulling the idle tubes out for cleaning. He uses a drywall screw to pull with, and says to prepare the tip of the screw for that purpose. I'd like to hear more about the preparation of the tip of the screw. Was the sharp end cut off? Was the diameter of the end of the screw cut down? It's not clear in the book how the screw was modified. I don't want to damage the body casting or sealing surface when doing this.

I've already punched the tubes down 1/8", and the collars stayed put, so they are in a good position for the pulling.

Also, it may be there, but I didn't find any instruction on the proper re-installation of the idle tubes.

Any tips would be appreciated. Thanks!

429bbf:
just grind down the tip so it doesnt engauge in the idle tube . maybe 1/8 inch or so.then crank it in till it get tite.i use a nice big side cutter and lay a piece of strap or a lumberyardstick works pretty good. across the carb and push down on the handles. they usually come right out.if not warm up the housing a little bit with a small butane torch.if it doesnt come the first time just screw it in a little tighter. hope this helps

stevef:
Good explanation. Thanks for the help!  :)

429bbf:
i install them flush with the main casting . make sure you dont hit the little ridge that sticks up. it gives the gasket a good place to seal. fwiw

stevef:
Thanks again for that. Yes, I'm being careful not to damage the gasket ridge.

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