Carbi float chamber emptying but no visible leak.

Asked by Rcarnold1957 Jun 08, 2019 at 05:09 AM about the 1968 Volkswagen Beetle

Question type: Maintenance & Repair

I have a 68 type 1 beetle with a pict30-1 carbi. The fuel float chamber empties
if the car sits for more than a couple of hours bu5 there is no visible external
leak. Any suggestions?

2 Answers


Heat from the parked engine can boil the gas out of the carb and it will dribble down into the intake and engine, flooding it on start up. It's something like "vapor lock", common in hot Summer climates. Just make sure you are using fresh gasoline if this car has been in storage. Gasoline is blended for the season....Winter vs Summer. Winter blend will boil easier than Summer blend.

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