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1993 Fleetwood Brougham
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My '93 FWB sounds like it has an aquarium under the dash. I guess it is coolant gurgling through the heater core. Any idea what the problem might be and how to fox it? Thanks!!
 

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2014 ELR
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My '93 FWB sounds like it has an aquarium under the dash. I guess it is coolant gurgling through the heater core. Any idea what the problem might be and how to fox it? Thanks!!
Two things: check the level of the coolant, it may be low. Second, reverse flush the core. A plugged core will also cause this.
 
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