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Crown Victoria, Marauder, Marquis

AC delays to function '03 Interceptor

3 posts 2 contributors 1,022 views
CE

ceptor1OP

  • Member since Jun 2012
  • 12 posts
  • Huntsville, AL, USA
Jun 7, 2012 at 5:05 PM
Hello, I have a 2003 Interceptor, excellent car, AC is very cold after it comes on, but it takes 5 or 10 minutes for it to come on, it has manual controls not ETAC, I do have '03 factory service manuals and see that the PCM is linked to the AC system, I see that there is a AC cutout relay and a note in the book says:

"When A/C cutout relay is de-energized and A/C clutch cycling pressure switch is closed, current will flow to the A/C compressor clutch solenoid which allows the engine to drive the compressor"

My question: Is this delay normal on an Interceptor? or Is the PCM not receiving the correct info to turn it on immediately? It does cool very well so I am scratching my head on this one, thought there might be a bulletin on this or something. Help me please and I can help you also
JD

jdmeaux

Jun 7, 2012 at 7:09 PM
That doesn't sound normal. I would find a reputable A/C shop to check things out. It could be corrosion on a contact, big PITA to locate. You almost have to disconnect / reconnect all the wirings in that circuit. I've seen the big fuses get corrosion that made the system act weird. If worst comes to worst, the stealership will "fix it".
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1997 Crown Victoria P71 SVT *** ex-US Marshall service (the CAR)
STOCK?? I bet it was modified.

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CE

ceptor1OP

  • Member since Jun 2012
  • 12 posts
  • Huntsville, AL, USA
Jun 8, 2012 at 2:32 PM
Thanks for the reply, last tnight after the car was sitting for a few hours, I fired it up and timed it to see how long it would take to engage clutch, also this was just sitting parked, it took 6 minutes and like I said it cooled fine. Today I swapped out with my wife and I timed it, fired up took off normal driving, it took 3 minutes to engage clutch and also it cooled fine.

I talked to Ford guy at an independent shop, he said it sounded normal, that it needed to build head pressure...Seems to me a cop might get a little miffed if his/hers A/C did not cool sooner than that..

I hooked up the gauges and the low side is normal between 20 to 40 PSI when I idle it up the high side gets too high though, it can go over 350 PSI this too high but it still cools good
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