Gas tank pressure question

Jim Tighe - Deceased 1942 - 2012

March 10, 1964 - April 27 2012
I was putting gas in my '92 Eagle Cad Brougham coach today, with about 1/2 tank of fuel, and after car had been sitting in the sun. When I took the cap off, there was a loud hissing sound from the filler pipe, evidently a release of pressure. Is this normal on such a car?? Cad owner's manual says nothing on the subject, but the sedan filler arrangement is diff from that on a coach. Any thoughts??. Thanks.
 
I was putting gas in my '92 Eagle Cad Brougham coach today, with about 1/2 tank of fuel, and after car had been sitting in the sun. When I took the cap off, there was a loud hissing sound from the filler pipe, evidently a release of pressure. Is this normal on such a car?? Cad owner's manual says nothing on the subject, but the sedan filler arrangement is diff from that on a coach. Any thoughts??. Thanks.

Nothing to be alarmed about. Alot of them do this of this vintage.
 
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