Question about Cadillac Cars & Trucks
Heat gently flows through vents with no fan
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Posted on Jan 02, 2017
It is very likely that the Air conditioner evaporator core is restricted due to leaves or some other object may be blocking air flow like a plastic bag, does it do this on both outside air and recirculation setting?
Posted on Nov 29, 2008
SOURCE: heater fan not working
blower motor relay is what it sounds like. If you change fan speeds does it start to run or is it dead?If it is dead it is either blower motor relay or fan motor. it is not very often that these things go out but whenthey do it is usually without warning.
Posted on Jan 04, 2009
Does your blower have a vibration at higher speeds? Have the same problem in my truck. After digging into it I found that the Re-circulation door axle pivot is broken. This door shuts off the outside air intake for re-circulating air. It also closes off the interior air intake when re-circ isn't used. If the door is broken it will sit in a half open position allowing all the forced air to escape through the outside air intake. I hear this is a common thing to happen. The servo motor that cycles the door is a little too powerful and it snaps the axle pivot.
Posted on Jun 06, 2009
there are two separate actuators for the rear system. one controls temperature and the other controls vents from head to feet. mine problem was the later. that acutuator for esv 2003 is 89018365. it is located just below third seat cup holder passenger side and can be replaced simply by removing cup holder. triangular shaped part with wire harness.
Posted on Jul 11, 2009
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