Why no heat in 1994 Fleetwood Brougham put in new thermo stat and blower works wonderful there is plenty of blower power yet still no heat what could be wrong?

In: Cadillac Brougham

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Sounds like you might have air in the system or something plugging your heater core. Does the car heat up to normal temperature? If so you likely need to have your Radiator Flushed to clean out any small blockages in the Heater Core. If you have Air in the Radiator system, you need to jack up the front of the car as high as you can safely and run it with the Radiator Cap off until all the air bubbles stop coming out. Good Luck.

Also check that the water hasn't disappeared after you switched the engine on. Sometimes the system does not fill directly, but you must run the engine then fill again, run the engine then fill again etc.

First answer by ID1217273822. Last edit by Taunokekale. Contributor trust: 47 [recommend contributor]. Question popularity: 28 [recommend question]

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