Can a Bad Coolant Reservoir Cause Overheating

Can a Faulty Coolant Reservoir Lead to Overheating? ✅ Yes, a bad coolant reservoir can cause overheating because it plays a key role in regulating coolant flow. If the reservoir is cracked, leaking, clogged, or has a bad cap, it can prevent coolant from properly circulating between the radiator and engine, leading to overheating and…