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91 Civic LX air conditioner

Discussion in '4th Generation Honda Civic (1988-1991)' started by 91LXDriver, Oct 15, 2017.



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  1. 91LXDriver

    91LXDriver New Member

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    91 Civic LX, the ac works but cycles on and off every 5 to 15 seconds. Has automatic transmission, if this helps.... it has a 4 year old r134a system in it....
     
    Last edited: Oct 15, 2017
  2. boofoo

    boofoo Respected Registered VIP

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    When the A/C cycles on, the air blow cold and does the condenser fan run?
     
  3. 91LXDriver

    91LXDriver New Member

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    A.c. gets cold and all cooling fans run but just for the 5 to 15 seconds the a.c. pump runs
     
  4. 91LXDriver

    91LXDriver New Member

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    No weird sounds or smells, there are what appear to be bubbles in the sight glass window
     
  5. boofoo

    boofoo Respected Registered VIP

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    There's only one A/C fan next to the radiator fan. Does it run?

    Inspect the front of the condenser. Are fins clogged with bugs and road debris?
     
  6. 91LXDriver

    91LXDriver New Member

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    Condenser is clean and the fan by a.c. runs when compressor is engaged
     
  7. boofoo

    boofoo Respected Registered VIP

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    While engine is idling with the A/C, spray cold water on the front of condenser with a garden hose. Does the A/C stay on much longer by cooling the condenser?

    Did you do the R134A conversion?
     
  8. 91LXDriver

    91LXDriver New Member

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    Conversion was done by previous owner at a shop.
     
  9. 91LXDriver

    91LXDriver New Member

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    Ill try the water test after the cruise control matter is done
     
  10. boofoo

    boofoo Respected Registered VIP

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    How long ago?
     
  11. 91LXDriver

    91LXDriver New Member

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    Approximately 4-5 years ago
     
  12. boofoo

    boofoo Respected Registered VIP

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    How long have you owned the car?

    Has the A/C ever worked properly since you purchased it?
     
  13. 91LXDriver

    91LXDriver New Member

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    I've had car for 3 years and a.c. has always worked this way
     
  14. boofoo

    boofoo Respected Registered VIP

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    So the A/C has never worked properly while you have owned the car?
     
  15. 91LXDriver

    91LXDriver New Member

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    Correct
     
  16. boofoo

    boofoo Respected Registered VIP

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    Do the test I suggested with the water hose.

    If the A/C still short cycles, the A/C system may be overcharged with refrigerant. You'll need a manifold gauge set to test this possibility.
     
  17. 91LXDriver

    91LXDriver New Member

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    Water test completed, it still cycles like mentioned prior. I'll take it to a shop for further....

    Thank you for the assistance on both matters
     
  18. boofoo

    boofoo Respected Registered VIP

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    :thumbup:
     


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