Chevrolet Cobalt owners have reported 1 problem related to auxillary tank (under the gasoline fuel system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Chevrolet Cobalt based on all problems reported for the Cobalt.
The contact owns a 2007 Chevrolet Cobalt. The contact stated that the fuel tank seal at the filler neck was leaking. The vehicle was taken to the dealer, who informed him that the fuel tank needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 81,000.
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