Gas leak from carburetor


Old 01-10-03, 08:50 AM
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Question Gas leak from carburetor

I own an older Craftsman snowblower with a 5hp Tecumseh engine. I have recntly had a problem with a gas leak from what appears to be an air vent at the top of the carb. I recently put a new carb kit in it. I bought the blower at an auction and has never worked properly. Also note that it seems to flood itself out when I do manage to get it going.

Yours in shovelling (for now) Wayvin
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Old 01-10-03, 02:54 PM
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Check the float in the carb if it's not one of the parts you replaced when overhauling it. Possible it has a leak; when that happens gas gets inside and it isn't as bouyant. Can lead to the problems you describe.

This applies on carbs with a hollow metal float. Floats of a solid material can also loose bouancy, but from absorption rather than leakage.
Old 01-10-03, 06:02 PM
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Hello Wayvin!

I agree...the float could be bad, or the seat is not sealing. Did you remove the old seat and install a new one while rebuilding the carb?

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