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2003 Ford Explorer temperature control

Tiny
NATHAN DETROIT
  • MEMBER
  • 2003 FORD EXPLORER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 10,840 MILES
When I turn on my temperature control switch I get a "flapping" or "clapping" noise from behind the dash-in the area of the blower, control, air flow switch. It is a steady noise, which sometimes goes away after the a/c and blower are turned on but not always.
A friend says it is a opening, broken, on a fan or wheel.
Any idea on what the problem is and to repair will it require pulling the dash to get to it? Not an easy or cheap job.
Thanks!
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Friday, August 13th, 2010 AT 9:11 AM

7 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
Your friend says the fan wheel. Does the noise change with blower motor speed?
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Friday, August 13th, 2010 AT 6:35 PM
Tiny
NATHAN DETROIT
  • MEMBER
  • 5 POSTS
The noise does not increase with the fan being turned up to higher speeds. I did notice this morning that as I was testing for increased noise that the clapping. Flapping subsided somewhat as I turned the fan on high speed however once I turned the fan off, the noise was presnt as the temperature gauge was about 40 to 50% on-a steady noise just behind the controls(fan, temp, a/c)area.
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Tuesday, August 17th, 2010 AT 9:11 AM
Tiny
JACOBANDNICKOLAS
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If it is a rapid noise, your friend could be right. Also, when checking that, check for vent doors that are not working and flaping open and closed.
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Wednesday, August 18th, 2010 AT 12:56 AM
Tiny
NATHAN DETROIT
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  • 5 POSTS
The noise is not increasing, it is a steady, constant flaping as soon as I turn on/up the temperature knob.
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Wednesday, August 18th, 2010 AT 7:47 AM
Tiny
JACOBANDNICKOLAS
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I think you have a vent door in the system that is disconnected or damaged.
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Wednesday, August 18th, 2010 AT 7:44 PM
Tiny
NATHAN DETROIT
  • MEMBER
  • 5 POSTS
If this is the problem, is it an easy fix? Will the dash have to be pulled to repair it? Will this be a costly repair?
Thanks!
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Thursday, August 19th, 2010 AT 7:38 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
If I am correct, parts shouldn't be too expensive. However, yes, part of the dash needs removed, so labor may be expensive.

Let me know what you find.

Joe
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Thursday, August 19th, 2010 AT 9:10 PM

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