The car heater takes a while to start blowing warm air because it relies on the engine’s cooling system to warm up. When you first start your car, the engine is cold, and it takes some time for the coolant to circulate and reach a sufficient temperature to warm up the heater core. Additionally, the heater fan needs to blow air through the warmed-up heater core before you start feeling warm air inside the car. Depending on the outside temperature and the efficiency of your car’s heating system, this process can take several minutes. If you’re experiencing unusually long wait times or if your heater isn’t working properly, it could be a sign of issues with your car’s cooling system or heater core that may need to be addressed by a mechanic.

Yes, a car heater can go bad over time due to various reasons. Some common issues that can cause a car heater to malfunction include:

1. Heater core problems: The heater core is a small radiator-like device that heats up the air blown into the cabin. Over time, it can become clogged with debris or develop leaks, leading to a loss of heat or even coolant leakage.
2. Blower motor issues: The blower motor is responsible for pushing air through the heating system and into the cabin. If the blower motor fails or malfunctions, it can result in little to no airflow, making it seem like the heater isn’t working.
3. Thermostat problems: The thermostat regulates the flow of coolant through the engine and heating system. If the thermostat fails or gets stuck open, it can prevent the engine from reaching the optimal temperature for heating, resulting in poor heat output.
4. Coolant level or quality: Low coolant levels or degraded coolant can affect the heater’s performance. Insufficient coolant can prevent the heater core from heating up properly, while degraded coolant can lead to corrosion and clogging within the heating system.
5. Electrical issues: Problems with the electrical components of the heating system, such as wiring issues or a faulty control panel, can also cause the heater to malfunction.

If you’re experiencing issues with your car heater, it’s best to have it inspected by a qualified mechanic to diagnose and address the underlying cause of the problem.

The temperature of the air coming out of a car heater can vary depending on several factors, including the design of the heating system, the outside temperature, and the temperature setting selected by the driver. However, in general, the air from a car heater should feel comfortably warm, typically in the range of 120°F to 150°F (49°C to 65°C). This temperature range is sufficient to keep the interior of the car warm and comfortable during colder weather without being uncomfortably hot.

If the air from your car heater feels too cold or too hot, it could be a sign of issues with the heating system, such as a malfunctioning thermostat, a clogged heater core, or low coolant levels. In such cases, it’s best to have your car inspected by a qualified mechanic to diagnose and address any underlying problems.