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Hissing Sound

Discussion in 'Proton' started by loose_end, Jun 9, 2017.

  1. vr2turbo

    vr2turbo Moderator
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    Any further news on the air con issue?
     
  2. RENESIS VIII

    RENESIS VIII Senior Member
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    Just now I tried driving without AC after work around 6pm. Feels so suffocating inside my car after like almost 10 minutes. Morning is okay, can drive all the way to work without AC. 35-40 minutes drive.

    If rain, you can try driving a while and later wipe the vapour from your windshield. :rofl:
     
  3. vr2turbo

    vr2turbo Moderator
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    I only drive without air con when I need to rev pass 5k RPM......lol
     
  4. RENESIS VIII

    RENESIS VIII Senior Member
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    Is it bad for the air cond if you leave it on at high RPM? I only heard before about 4G92 MIVEC air cond belt might not stand it when revving it to 8k RPM.
     
  5. vr2turbo

    vr2turbo Moderator
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    Yup, might damaged the compressor faster and with the compressor off, better power also,,,,,,lol:biggrin:
     
  6. lsm1991

    lsm1991 Senior Member
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    oops havent sent it in, atm primary target is to get all the bodywork done.... can finally get the car painted in 2-3 weeks time, only have a 2-3 month time frame to get it done... hmm probably should let give fazidk a pm soon

    ehh.... i thought the ac will cut off above a certain rpm... otherwise kantoilah...
     
  7. vr2turbo

    vr2turbo Moderator
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    Newer cars got rev cut, but have not heard of compressor high rpm cut....:hmmmm:
     
  8. lsm1991

    lsm1991 Senior Member
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    oops... maybe it was a pressure cutoff... alamak means the compressor would be spinning at those silly speeds
     
  9. vr2turbo

    vr2turbo Moderator
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    Compressor cut have but to what I know is:-
    1) when reach set temperature
    2) when gas is low or no gas
     
  10. RENESIS VIII

    RENESIS VIII Senior Member
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    And I rev to 6k RPM before with air cond on ever since I changed my extractor. Last time before that, I tend to switch it off because I need more power. Now with more power gained from the extractor, I din't bother to switch off the air cond anymore. This is bad. :banghead:
     
  11. vr2turbo

    vr2turbo Moderator
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    Even got extra power, with air con on, still will take some power from your engine.......lol:biggrin:
     
  12. loose_end

    loose_end Senior Member
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    Sadly, the hissing sound was actually the air con compressor. It was "Black Death". I just changed the compressor in Sept 2015.

    However, there is no more load even when air con is on but a slight sound under the steering which resonance at 80km/h.
     
  13. y2188

    y2188 Member

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    I think modern cars nowadays, usually will cut off the compressor if you are doing full throttle but yea old one have to manually off lol
     

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