What Causes a Car Air Conditioner to Alternate Between Cold and Hot?

1 Answers
PaulMarie
07/25/25 3:50pm
The reasons for a car air conditioner alternating between cold and hot are: 1. Insufficient refrigerant in the air conditioning system; 2. Internal damage to the air conditioning pump; 3. Dirty condenser fins in the air conditioning system. Solutions include: 1. Adding refrigerant; 2. Replacing the air conditioning pump; 3. Cleaning the condenser fins. Car air conditioning maintenance methods: 1. After using the car air conditioner for a period, check the air conditioning fan and evaporator surface for debris and clean them promptly; 2. Regularly inspect and maintain the air vents and ducts of the air conditioner, frequently checking and cleaning them to prevent dust and debris from clogging the air conditioning ducts.
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