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Why Does My Changan Karvaan AC Blow Cold Air Initially and Then Turns Warm?

Why Does My Changan Karvaan AC Blow Cold Air Initially and Then Turns Warm?

A common complaint among Karvaan drivers is that the AC starts cooling and then gradually blows warm air. Could this be a sign of expansion valve issues o r evaporator coil problems?
Qalb E Momin asked on 24 Jul 2025 18:10:52 pm
1 Answer
31 views |
Car Mechanic Expert - on 24 Jul 2025 18:23:28 pm
This behavior typically points to a failing expansion valve, dirty evaporator coil, o r ice formation due to improper refrigerant flow. It can also indicate a malfunctioning thermostat o r sensor.
 

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