Quadrajet Problem Solving > Diagnose a Quadrajet carburetor problem

Sucking noise on shutdown

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dlphil10:
I'm getting the car lined out, but I've noticed when I shutdown the car the carb makes noises. Immediately after the engine has completely stopped the carb sounds like its gurgling or sucking. Really it faintly sounds like a Turkey gobbling. The primary nozzle look a bit wet too.

Could it be too high float or bad needle and seat?

Cliff Ruggles:
Remove the air cleaner and see if there is any fuel vapor coming up out of the carb.

This would indicate fuel draining into the engine.  This happens when the bottom plugs are leaking, N/S not holding, fuel level too high, or missing upper idle airbleeds (common problem when folks miss-match parts)........Cliff

dlphil10:
I had someone shut it off so I could see what happened. No fuel vapor was coming out of carb. The nozzles were also dry.

Cliff Ruggles:
So did it still make all the noises and where are the coming from?

lightning boy:
check the charcoal canister. make sure its not plugged up.

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