Legacy 2005, A/C intermittent cooling problem

Discussion in 'Subaru Legacy' started by Ollie, Oct 4, 2005.

  1. Ollie

    Ollie Guest

    What we could tell to the dealer, who after 2 visits has not been able to
    diagnose the problem in the A/C cooling? When driving on warm day or hot
    night with the cooling on, the cold air stops after 10 - 20 minutes and only
    very little warm air is coming from the dash vents even with the fan is in
    max. By turning the A/C off for 20 minutes, the air flow comes back and the
    A/C can be turned on again and it will be doing the cooling for the next
    10 - 20 minutes. At the same time the dash board between shift stick and
    radio becomes quite hot - over 90 F.

    The folklore is telling that the reason could be in
    - refrigerant level
    - inside temperatire sensor
    - pressure senser
    - humidity sensor
    - compressor
    - icing in the evaporator core

    If you have seen the same symptoms, what was the reason and how it was

    Cheers, Ollie
    Ollie, Oct 4, 2005
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  2. Ollie

    Bob Bailin Guest

    Sounds like the evaporator is icing up.
    Try running it on Max A/C only. If the problem doesn't appear after 10-20
    minutes, then it's definitely icing, which shouldn't happen on Max A/C
    because the cabin air is recirculated and low humidity.

    Bob Bailin, Oct 4, 2005
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