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Ford Crown Victoria Though they were what most people drove in the 1950s and 1960s, full-size cars like the Ford Crown Victoria are now an anomaly. But Ford's biggest sedan still offers significant virtues, including affordable V8 performance and room for six people. Today, the Crown Victoria's passenger and cargo volumes compare favorably against fashionable SUVs.

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Old 03-25-2008, 08:24 PM   #1 (permalink)
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Default 2003 Fan Issue

My 2003 is redirecting airflow for vent and a/c through the defroster and heater vents. The temps are correct but coming out the wrong place. This is an intermittent problem that happens at all fan speeds, but seems to correct itself when I slow down and brake at stop lights. Very weird. Anyone got any ideas what is going on?
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Old 03-26-2008, 04:58 AM   #2 (permalink)
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Check condition of vacuum hoses from the source in the engine compartment to the A/C controls.
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Old 03-26-2008, 07:38 PM   #3 (permalink)
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I should have thought of that; thanks!
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Old 03-26-2008, 08:01 PM   #4 (permalink)
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Dont forget to check the vacuum check valve and canister also.The default(n0 vacuum) air discharge position is defrost
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Old 04-14-2008, 01:34 PM   #5 (permalink)
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I have the same problem with my 2004 only it is not intermittent. The fan blows about half of the air to the floor and half to the defroster no matter what setting is selected. I visually checked the vacuum lines about a week ago and they look okay. Any other ideas?
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Old 04-17-2008, 05:10 AM   #6 (permalink)
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Find the hose coming through the firewall and check for vacuum.
Find the vacuum dashpot to the damper door and check the hose for vacuum.
Make sure the linkage to the damper door has not come off.
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