Check the car first
Symptoms can have more than one cause, so we test before recommending a part.
Car aircond specialist
Straight answers from the workshop.
When your car aircond is acting up, Sifu White explains what the symptom can mean, what the workshop checks and what repair choices may be available.
How we work
We check first, then explain.
Explain it in plain language
You should know what we found, what we recommend and what it is likely to cost.
Respect your decision
We explain the options and start work only after you agree.
From the workshop
See all cases →Latest advice from Sifu White
Compressor problems
Proton Inspira vs Lancer: Compressor and Magnetic Clutch
The Inspira/Lancer comparison highlights checking the magnetic clutch, power connector and relay. Supply can be present while the clutch still fails to engage; a component repair depends on clearance, wear and assembly condition.
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Choosing the right repair
Sifu White Is So Busy That Lunch Almost Becomes Dinner
Lunch is running so late it is almost dinner, and Sifu White chats with the filming team about the day. This short clip offers a glimpse of everyday life around the workshop.
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Electrical and control problems
ProtonPersona VVT
ProtonPersona VVTPersona VVT Compressor Won’t Cut Off: Sensor & Short Check
Available Persona VVT captions show sensor, control and short-circuit-related checks, but there is no recoverable speech or uniquely confirmed cause. The article explains the symptom without converting a demonstration into a proven repair.
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Choosing the right repair
MazdaCX-30
MazdaCX-30Mazda CX-30 AC Intermittently Warm: Read the Pressure
The Mazda CX-30’s intermittent fault is still being narrowed down, with an expansion-valve trial proposed before reassessing pressure. The video acknowledges uncertainty and supplies no final result, so compressor suspicion remains provisional.
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Compressor problems
Can a Car AC Compressor Be Repaired? Check the Clutch
The captions in this silent video discuss repairing the magnetic clutch when the compressor itself remains serviceable. Check the compressor, clutch and related wiring before choosing that repair. One symptom alone is not enough to decide.
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Electrical and control problems
Mercedes-BenzW204
Mercedes-BenzW204Mercedes W204: A/C not cold, compressor not starting
Follow Sifu White’s Mercedes W204 case from damaged outside-temperature sensor wiring to missing SAM output, and see why a compressor that will not start is not automatically defective.
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