A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

anyone replaced their heater core?

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Old 11-24-2003, 11:25 AM
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Default anyone replaced their heater core?

my heater doesn't blow heat anymore =(

my thermostat just doesn't seem to work neither. does the thermostat control the heater? or do i have 2 seperate issues?
Old 11-24-2003, 11:28 AM
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Default You'd know it if the heater core was bad....

because hot coolant would be leaking out of it into the car, and you'd smell it, for sure.

If your thermostat is stuck open, the car will take forever to warm up (or may never reach operating temp at all) and you'll have minimal heat. If it was stuck closed, you'd have tons of heat, and the car would overheat.
Old 11-24-2003, 11:56 AM
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Default I had a heater core go once...

in '90 Acura Legend. I could see very thin "steam" coming through the vents and it had a sweet syrup-y (sp?) smell. (Heater worked, though.) Coolant leaked onto the driver's footwell. Cost a $hitload to fix because 1. It was Acura (i.e. expensive Honda), 2. the techs had to pull out the dash, replace the core, then put the dash back in. Sucked because by pulling the dash then replacing it, you introduce a whole new set of rattling annoyances in your life. FWIW, I hope it isn't so for you.
Old 11-24-2003, 12:14 PM
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Default

ok new thermostat for me...
Old 11-24-2003, 04:45 PM
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Default Re: anyone replaced their heater core?

two different issues
heater most likelly is the motor for the temp flap
e-mail me i fix many at the dealer
s4master1@aol.com
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