# Cooling and overheating problems

Every cooling and overheating symptom we cover, with its most common cause and how urgent it is.

## 4 cooling and overheating symptoms

| Symptom | Most common cause | Verdict |
| --- | --- | --- |
| [Why is my car heater not working?](/symptoms/car-heater-not-working) | Low coolant from a leak | Drive to a shop this week |
| [Why is my car leaking coolant?](/symptoms/car-leaking-coolant) | Cracked hose or loose hose clamp | Drive to a shop this week |
| [Why is my car overheating?](/symptoms/car-overheating) | Low coolant from a leak | Stop driving |
| [Why does my car smell sweet?](/symptoms/sweet-smell-from-car) | Leaking radiator hose, radiator or cap | Drive to a shop this week |

## Other symptom groups

- [Exhaust and smoke](https://diagxcar.com/symptoms/exhaust)
- [Engine](https://diagxcar.com/symptoms/engine)
- [Brakes](https://diagxcar.com/symptoms/brakes)
- [Battery, starting and electrical](https://diagxcar.com/symptoms/electrical)
- [Transmission](https://diagxcar.com/symptoms/transmission)
- [Steering and suspension](https://diagxcar.com/symptoms/steering)
- [Tires and wheels](https://diagxcar.com/symptoms/tires)

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Source page: https://diagxcar.com/symptoms/cooling
General information, not a substitute for a qualified mechanic.