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About waynezo

  • Rank
    New Member

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  • Region
    U.S. Southern Atlantic
  • Location
  • Current Vehicle
    2008 Milan 2.3L 4cyl
  1. waynezo

    AC Problem 08 Milan 4 cyl 83k

    Thanks for all the great advice. My car has the expansion valve. I spotted it on the firewall where the lines attach. One other symptom I have had. Previously When sitting at a red light in gear when the compressor kicks on the engine shudders. Since I have noticed it short cycling it shudders less. Could that be a sign of the compressor wearing out and putting less strain on the engine? What is a good scan tool? I'm guessing I would have to buy that. Autozone probably won't loan it.
  2. waynezo

    AC Problem 08 Milan 4 cyl 83k

    I tightened the schrader valve and it stopped leaking. Early this morning with ambient temp at 75 degrees I got 35 lowside and 157 highside. After adding approx 4 oz of refrigerant with ambient temp at 80 degrees I get lowside 40 and highside 225. AC is still short cycling. Should I worry system is now overcharged?
  3. waynezo

    AC Problem 08 Milan 4 cyl 83k

    Autozone will lend me manifold gauges. can you recommend a good tutorial for diagnosis. All fan speeds work on control head.
  4. Compressor is short cycling. Still cooling the cabin, but poorly. I checked Refrigerant. It is not low. I suspect the AC clutch switch. I found it on the smaller high pressure tube near the firewall.(part# MOTORCRAFT YH39 Alternate/OEM Part Number(s): 6E5Z19D594AA) Is this the only pressure switch or are there 2? Is there a way I can diagnose with out putting in the shop. Looks like I can change the switch myself. When the compressor is engaged air is ice cold. What else would cause these symptoms? Any advice is greatly appreciated.
  5. The car idles smooth between 600 to 700 rpm except after sitting at a stoplight for a 60 secs with AC on then drops to aprox 550rpm shudders and goes back to 600-700. this is not constant but frequent. With AC off car idles fine. AC blows cold. I have cleaned MAF sensor and run the idle relearn procedure. Is the best next step to clean the throttle body and can I do that without removing it. If so what is the best online tutorial? Do gas additive injector cleaners help or are they hype? Could the car need plugs at 65K? I'm trying to find things I can do myself before I put the car in the shop. The last repair I did was a water pump on a 1989 sable about 20 years ago Any advice or opinions are appreciated
  6. After cleaning MAS I sprayed some CRC MAF cleaner into the wiring harness connector. It was tight going back on and when I pulled it off the red female piece stayed on the MAF sensor. Inside the wiring harness connector I saw a green rubber washer slightly out of place at the bottom. I repositioned it and connected the harness (still tight) then secured it with the sliding clip. Car seems to be running ok. I suspect the CRC cleaner unglued something or swelled the rubber in the connector. Can I leave it like that or do need to get a pigtail harness repair kit? Any advice or opinions are appreciated