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Old 04-20-2016, 01:06 PM   #34
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Join Date: Mar 2012
Location: Ft. Leonard Wood
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Originally Posted by professorman View Post
Would this foam cause the heater to not blow as warm as it should?
Yes. The flap has large holes that are covered by the foam. If the foam is missing, the flap won't divert as much incoming air over the heater core, causing low temps.
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