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inneficcient air conditioning

  • 08-02-2009 6:27pm
    #1
    regedit
    Registered Users, Registered Users 2 Posts: 862 ✭✭✭


    2003 Corolla Luna. I have a feeling that the air conditioning is not outputting well. Last summer, I had to switch the knob to 3 to get decent cooling while when the car was purchased, 1 did the job always.
    Anyway, went to Halfords this afternoon and saw that they were checking A/C for free. The guy took one of those cans with a pressure gauge reader and told me to switch it on to max. He connected the gauge to the inlet of the AC under the bonnet and the gauge showed green (the upper edge and then it would go halfway to blue. Now green meant top up and blue meant it is fine. As I said it was always on the edge of the green and toward the blue mark. The interesting thing (for the guy there) was that every say 20 seconds there was a click and during the click, the gauge would rise toward the blue and then slowly go down toward the green. He said he had never heads sch a weird thing. It was a mechanical click. It sounded fine (not a breaking sound or anything like that).
    My question is:
    - If the pressure in the a/c system was relatively OK, why do I lack the effect. The front windscreen fogs constantly and I have to set the inlet to blow on windscreen all the time. The pollen filter was replaced a few months ago.
    - What is the click that I described above (the click cannot be heart while in the cabin but just when the bonnet was open.


Comments

  • #2
    EPM
    Closed Accounts Posts: 13,822 ✭✭✭✭EPM


    maybe your compressor is not engaging. Would probably be wise getting it checked by someone who works on air con in cars if it bothers but they can be quite expensive to fix. My car needed its compressor replaced last summer and while i didnt pay for it the garage said a grand wouldn't see someone out of it


  • #3
    regedit
    Registered Users, Registered Users 2 Posts: 862 ✭✭✭regedit


    EPM wrote: »
    maybe your compressor is not engaging. Would probably be wise getting it checked by someone who works on air con in cars if it bothers but they can be quite expensive to fix. My car needed its compressor replaced last summer and while i didnt pay for it the garage said a grand wouldn't see someone out of it


    Thanks for that EPM.
    Did a quick web search and the compressor in the UK is some 450 pounds. Hope it's not that. Will wait to see if anyone else has an idea. In the meantime have found a company called AutoIr in Co Meath so will call them soon.


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