stumped...

Asked by Sep 22, 2016 at 10:58 PM about the 2007 Cadillac DTS Luxury I FWD

Question type: Maintenance & Repair

engine must warm up to normal operating temp before a c will work...it works
great when it comes on...temp control works,,,passenger side works...it will
never run if it's not up to temp...sometimes turning the engine off, then
restarting will work but only after it's up to temp...any ideas ???

1 Answer

116,465

Here is a good read on A/C systems. http://www.underhoodservice.com/a-c-update-the-logic-behind-automatic-temperature-controls/

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