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johntwist@universitymotorsltd.com

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Ada, Michigan 49301
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MGA Fuel Leak

I have a 1956 MGA. I recently bought it from a fellow in Colorado Springs and had it shipped to Burlington, Ontario. I noticed in the last couple of days a leak from the fuel tank. It appears to be leaking from a device on the passenger side of the tank. It has recently got cold here but the garage is always above freezing. The previous owner had a new fuel tank installed. Is it possible the colder temperatures have caused a seal to break? Is the device on the passenger side of the tank the fuel level equipment. Any suggestions as to what the most common causes of the leak could be.

The unit on the RH side of the tank is the fuel sending unit.

It could be that the cold weather has exposed a poorly fitted unit; it could be that the unit was fitted with a rubber gasket which will leak under all but perfect conditions; it could be that you've added some gasoline which has either 1) filled the tank higher than what it was, hence exposing a leak which was always there; or 2) you have alcohol in your gasoline which can make that rubber gasket fail.

In any case, drain the tank (the fitting on the bottom), or siphon it out. Then, remove the sending unit and give me a call and we can decide what the problem was and how it can be repaired.
 
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