Jan 13, 2015 #1 D djj624 Member Joined Jan 8, 2008 Messages 656 Iv got a hissing sound from the heater controls when I turn the heater vent off. Heat works and blows strong and the hissing stops once the vent is on again. Is there vac line broke or something, I should look for?
Iv got a hissing sound from the heater controls when I turn the heater vent off. Heat works and blows strong and the hissing stops once the vent is on again. Is there vac line broke or something, I should look for?
Jan 14, 2015 #2 A aminga Chicks Dig the powerbulge Joined Dec 15, 2003 Messages 5,578 May be the vac selector leaking.