Why is the car air conditioning not heating?
2 Answers
There are several reasons why the car air conditioning is not heating: 1. The vehicle has just started, and the engine temperature has not yet risen. It will work after the engine warms up. 2. Insufficient coolant, which can also cause the car air conditioning not to heat. Adding coolant will solve the problem. 3. A damaged water pump, which causes a failure in the coolant circulation system, can also lead to the car air conditioning not heating. Replacing the water pump will fix the issue. 4. A clogged heater core, which prevents the hot water from circulating inside the engine to the core, resulting in the air conditioning not heating. Cleaning the heater core will resolve this. 5. A faulty radiator fan. If the radiator fan runs continuously, it can prevent the coolant in the radiator from heating up, causing the air conditioning not to heat. Inspecting and repairing the radiator fan will solve the problem.
I'm the type who loves tinkering with my car. If the AC isn't heating, it might be related to the coolant system. A clogged heater core is a major issue - if coolant can't flow through it, heat won't transfer to the cabin. It could also be a stuck thermostat causing improper water temperature control, or a broken blower motor failing to blow warm air. A faulty temperature control switch might also lead to inaccurate temperature regulation. First, check the coolant level and top it up if low. Set the AC to heat mode to rule out operator error. Don't tough it out in winter - extreme cold affects driving safety. I recommend visiting a repair shop soon for professional diagnostics, and don't neglect regular AC maintenance habits.