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Old 11-15-2010, 04:17 PM   #1
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Heater core Replaced but still stinky??


My old heater core was leaking really bad to the point of smell and steam vapor coming thru the vents.


I replaced it with a mint condition used one i picked up for $80.

when I removed the old leaking heatercore there was obviously actual coolant building up just below it.

I soaked up and removed all of the coolant I could before installing the new heater core!.

My question is:

Is it common to still smell coolant coming from the vent after replacing a bad heater core???

its not too bad but still can be smelled when I turn on the car/heat.

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Old 11-16-2010, 04:05 AM   #2
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you can let the car run with the heater on hot/high for a while or auto supplies sell a spray that may help......my guess is you didnt clean it good enuf. if its an easy job just reclean....if its a hard job why a used core ? did you have it tested at a radiator shop before you put it in ?
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Old 11-16-2010, 01:43 PM   #3
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I had a heater core replaced in my Dodge truck last year (at the dealer) the smell from the leaking one took a long time to dissapate. Maybe several months...
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Old 11-16-2010, 05:45 PM   #4
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When I replaced the heater core in my Cosworth I ended up pulling back the carpet to dry it out for about two weeks by running the heater on full whenever I could. Extanker brought up a good point, did you have your used core tested? Hopefully it's not leaking.
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Old 11-17-2010, 04:37 AM   #5
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might also be a good time to replace the cabin air filter.
Chris Dennis, Plano, Texas

'07 Boxster, arctic silver, Tiptronic, 106k miles, no mods
13 Boxster S, black on black, PDK, 27k miles, garage queen
66 Mooney M20E, hangar queen
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Old 11-18-2010, 10:53 AM   #6
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The cabin airfilter is just under the hood on the passenger side right? under the windshield wiper? I did replace that if that is in fact the cabin filter.

I really hope there is just some coolant in the air ducts rather than the used heater-core failing already

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