1997 - 2006 Expedition & Navigator 1997 - 2002 and 2003 - 2006 Ford Expedition and Lincoln Navigator Discussion

poor heat

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Apr 4, 2015 | 10:24 PM

#1

smsperformance

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Joined: Aug 2009

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poor heat

I have a 2000 Expedition that is giving off poor hear from the dash. The rear heat works just fine but the front barely warms up. Is there a flapper door in the plenum that goes bad? Or possibly a vacuum valve somewhere that operates it? Thanks for your input

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Apr 4, 2015 | 10:30 PM

#2

alloro

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Do a search here for broken blend door, it's a common issue.

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