2002 grand marquis


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Old 10-28-18, 03:03 PM
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2002 grand marquis

Been noticing that my auto heat/ac has been giving me fits. I've noticed that I have to keep turning up the heat to barely get any heat. Was told blender switch is bad so I changed it ( not easy task) flushed coolant which really was dirty and appear to get good flow out heater core. Weird part is when car is first warmed up the heat works great but after few miles I'm always turning it up.
 
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Old 10-28-18, 04:43 PM
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Very possible thermostat is sticking open.
 
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Old 10-29-18, 03:37 AM
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I have considered that even though gauge still stays half way you just never know so I will check that. Other thing I noticed is outside ambient temp according in my display shows it being 80 degrees outside but it hasn't hit 40 in a few weeks
 
 

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