V villarreal New member Joined Feb 13, 2010 Messages 56 Feb 6, 2011 #1 My heater only works on defrost any ideas guys.
RDPsmoker OUT TO LUNCH.. Joined Nov 25, 2010 Messages 1,815 Feb 6, 2011 #3 yup vac line issue. the line for the controls goes in the cab on the passenger side by the heater box.
yup vac line issue. the line for the controls goes in the cab on the passenger side by the heater box.
roachie Taco Master Joined Nov 2, 2007 Messages 11,133 Feb 6, 2011 #4 Start tracing it at the vacuum pump. I had one of the little end caps come off the T fittings on the cowl.
Start tracing it at the vacuum pump. I had one of the little end caps come off the T fittings on the cowl.
kino_fab KTPA Tech Official Joined Aug 19, 2007 Messages 2,244 Feb 6, 2011 #5 One small vacuum leak can cause just about everything to not work or barely work at all that is vacuum operated.
One small vacuum leak can cause just about everything to not work or barely work at all that is vacuum operated.
