Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum banner

hissing sound rear area

  1. OEM Issues
    The other day my wife and I were out and with the radio off, my window down and the motor running and I heard an intermittent hissing sound coming from the rear drivers tire area. It's not the tire, but I couldn't get a clear idea of where it could be coming from. I'm thinking maybe fuel...
Top