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Aircond Advice

Choosing the right repair

What to ask about parts, quotations, workmanship and the repair options for your car.

89cases
More car aircond problems

More car aircond problems

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Flushing as air-conditioning maintenance rather than a repair for failed components or a guarantee of colder output
Cooling coil and dashboard work
All makes

Flushing is maintenance, not a repair

Flushing can be part of A/C maintenance, but it cannot fix a damaged or leaking part. If no UV trace is visible, other checks may still be needed to find a leak. Plan maintenance around the car's condition and service requirements.

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Wear, insulation risk and reconditioned-unit principles for hybrid electric scroll compressors
Hybrid and EV aircond
HondaHybrid vehicle

Hybrid scroll compressors: wear and rebuilt units

Wear in an electric scroll compressor affects more than the appearance of its surfaces. Mechanical clearances and electrical insulation both matter. When considering a rebuilt unit, ask what was checked and tested; polishing alone does not show...

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BMW F10 unequal vent temperatures: heater valve or air-door actuator?
Choosing the right repair
BMWF10

BMW F10: unequal vent temperatures

The BMW F10’s unequal outlet temperatures point to the heater valve rather than the initially suspected dashboard actuator. Parts and testing were still pending, and conflicting left/right descriptions are not promoted into a definite title...

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All cases

Choosing the right repair

89 cases
  1. Multi-brandProton Inspira / Mitsubishi Lancer
    Proton Inspira vs Lancer: Compressor and Magnetic ClutchSee the case
  2. All makes
    Sifu White Is So Busy That Lunch Almost Becomes DinnerSee the case
  3. MazdaCX-30
    Mazda CX-30 AC Intermittently Warm: Read the PressureSee the case
  4. PeroduaViva
    Perodua Viva Compressor Fails Again After One MonthSee the case
  5. All makes
    Flushing is maintenance, not a repairSee the case
  6. Proton
    Chemical coil cleaning without dashboard removal: the risksSee the case
  7. HondaHybrid vehicle
    Hybrid scroll compressors: wear and rebuilt unitsSee the case
  8. BMWF10
    BMW F10: unequal vent temperaturesSee the case
  9. Volvohybrid or EV
    Volvo hybrid turtle warning: rodent-damaged wiring foundSee the case
  10. Tesla
    Tesla leaks after a customer-supplied compressorSee the case
  11. Mercedes-BenzMultiple models
    Mercedes W205: cooling-coil replacement after a failed repairSee the case
  12. CitroenEvasion
    Citroën Evasion: pressure loss and black oilSee the case
  13. BMWE39
    BMW E39: rodent damage, flap motors and parts sourcingSee the case
  14. Mercedes-BenzC-Class W205
    Mercedes W205: severe cooling-coil leakSee the case
  15. KiaCerato
    Kia Cerato: abnormal cycling and sudden airflow dropSee the case
  16. FordRanger Raptor
    Ford Ranger Raptor: black contamination and supplied partsSee the case
  17. PeroduaViva
    Perodua Viva: correct gas charge, weak daytime coolingSee the case
  18. Peugeot508
    Peugeot 508: intermittent cooling, clutch and moduleSee the case
  19. BMWE46 Ci
    BMW E46 Ci: cooling-coil durability and custom partsSee the case
  20. VolkswagenID.4 EV
    Volkswagen ID.4: R-744 compressor repairSee the case
  21. SubaruForester / XV
    Subaru Forester: cooling coil removed from the sideSee the case
  22. VolvoV40 T4
    Volvo V40 T4: broken control, special-order partSee the case
  23. NissanSunny
    Classic Nissan Sunny: R-12 to R-134a conversionSee the case
  24. All makes
    Itemised repair quotes: what to check before approvingSee the case
  25. BMWX3
    BMW X3: a brand logo does not prove genuine partsSee the case
  26. PeroduaKancil
    Perodua Kancil: modified wiring and idle-up faultSee the case
  27. RenaultKoleos
    Renault Koleos: coil leak led to compressor seizureSee the case
  28. ToyotaLand Cruiser GR Sport LC250
    Toyota Land Cruiser LC250: weak cooling, gas overchargeSee the case
  29. HondaJazz Hybrid
    Honda Jazz Hybrid: back for the compressor repairSee the case
  30. BentleyFlying Spur
    Bentley Flying Spur: coil leak, stuck flap motors, parts costSee the case
  31. BMWF30
    BMW F30 cooling-coil leak that cannot be solved by flushingSee the case
  32. All makes
    A customer on comparing quotes from five or six workshopsSee the case
  33. ToyotaAlphard AGH40
    Toyota Alphard: slow midday cooling, vent readingsSee the case
  34. NissanAlmera
    Nissan Almera: blower noise and damageSee the case
  35. PorscheCayenne 958 (second generation)
    Porsche Cayenne 958: condenser leak, preventive coil swapSee the case
  36. PeroduaMyvi 320
    A Myvi owner on his compressor and coil repairSee the case
  37. Mazda
    Mazda from Kelantan: repaired in stagesSee the case
  38. PeroduaViva
    Perodua Viva: leak from a broken pipe bracketSee the case
  39. HondaCity T9A (2014)
    Honda City T9A: fan, coil and compressor leak checksSee the case
  40. NissanSentra N16
    Nissan Sentra N16: wrong belt, bypassed compressor wiringSee the case
  41. AudiA3
    Audi A3: coil leak, flap motor, windscreen riskSee the case
  42. BMWF10
    BMW F10: fault code 801207, blower regulatorSee the case
  43. PeroduaKelisa
    Perodua Kelisa: weak midday cooling, original Denso partsSee the case
  44. ToyotaVios NCP150 / NCP151
    Toyota Vios: coil replacement needs proper dashboard removalSee the case
  45. All makes
    Buying compressor parts online: quality and warranty risksSee the case
  46. All makes
    Aftermarket thermostat for a car with no thermo sensorSee the case
  47. All makes
    Refrigerant should last: recurring refills need leak diagnosisSee the case
  48. Alfa RomeoClassic model
    Classic Alfa Romeo: wiring fault and correct modificationsSee the case
  49. All makes
    Case-by-case help for customers in genuine hardshipSee the case
  50. All makes
    Planning a car A/C courseSee the case
  51. All makes
    Reading the vehicle label for R-1234yf chargeSee the case
  52. HondaHonda Civic Type R / BMW E46, M3, M5, 320, 325 / Mitsubishi Lancer, Evo
    Compressor and pulley: performance cars vs standard modelsSee the case
  53. All makes
    Behind the scenes on a busy workshop daySee the case
  54. All makes
    Compressor warranty: supply source and preparation matterSee the case
  55. All makes
    First visit: can an A/C repair finish within four hours?See the case
  56. All makes
    Fan motor wear diagnosed; customer free to go elsewhereSee the case
  57. All makes
    Busy day at Kool Aire with Sifu White serving customersSee the case
  58. PeroduaViva / Axia / Myvi / Bezza
    Why small Perodua models can have the trickiest faultsSee the case
  59. Tesla
    Tesla A/C taken on after three failed repairsSee the case
  60. Tesla
    Sifu White’s first Tesla A/C service and refrigerant labelSee the case
  61. All makes
    Used, reconditioned or new compressor: how to compareSee the case
  62. Land RoverRange Rover
    R-1234yf and R-134a: check refrigerant and oil specsSee the case
  63. Mercedes-BenzMercedes-Benz W205 / BMW / Audi
    Repair experience: Mercedes-Benz, BMW and AudiSee the case
  64. ProtonProton Saga / Honda City / Honda HR-V
    When full dashboard removal is needed for a cooling coilSee the case
  65. All makes
    A voice-over on the life of an A/C technicianSee the case
  66. BMW
    BMW owner from Gombak: leak after repeated refillsSee the case
  67. All makes
    Check the magnetic clutch and the hidden compressor relaySee the case
  68. All makes
    Suspected evaporator leak: regassing only helps brieflySee the case
  69. All makes
    Why gluing a stone-damaged leaking condenser is unreliableSee the case
  70. All makes
    Buying an engine from China: a worn pressure componentSee the case
  71. All makes
    Instalment payments for A/C repairs via Direct LendingSee the case
  72. All makes
    Can clutch, bearing and housing faults be repaired separately?See the case
  73. Mercedes-BenzHybrid vehicle / Mercedes-Benz
    Repair or replace the compressor?See the case
  74. All makes
    Kool Aire workshop expansion and customer waiting roomSee the case
  75. All makes
    Cooling improved after three other workshopsSee the case
  76. Mercedes-BenzS400 Hybrid
    Mercedes S400 Hybrid: hot rear airflow, several faultsSee the case
  77. BMW
    BMW: no voltage to the compressor control valveSee the case
  78. Land RoverLand Rover / Volvo / Mazda / Nissan C26
    Why some cooling coils need door or glass removalSee the case
  79. Chevrolet
    Chevrolet: dual A/C failure after a partial repairSee the case
  80. All makes
    Sifu White on repair speed, value and missionSee the case
  81. FiatBravo GT
    A Fiat Bravo GT owner and 30 years with Sifu WhiteSee the case
  82. BYDRegional vehicle comparison
    Why A/C performance varies between carsSee the case
  83. All makes
    Discipline and tool training for A/C techniciansSee the case
  84. All makes
    Must the whole system be replaced after compressor failure?See the case
  85. All makes
    Preparing for an inspection and WhatsApp bookingSee the case
  86. All makes
    Limits of flushing after compressor contaminationSee the case
  87. All makes
    Sifu White’s experience and specialist scopeSee the case
  88. AudiA6 Hybrid
    Audi A6 Hybrid: electric compressor maintenanceSee the case
  89. All makes
    Buying A/C parts online for a foreman to fit: the risksSee the case
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