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I noticed coolant dripping from the front side of my United Alpha after parking overnight. The coolant level in the reservoir keeps ping even though t

I noticed coolant dripping from the front side of my United Alpha after parking overnight. The coolant level in the reservoir keeps ping even though t

While driving my United Alpha, the engine temperature shot up suddenly and the cabin heater stopped blowing warm air at the same time. After stopping the car, I saw no visible coolant circulation in the reservoir. Could this be caused by a jammed o r broken water pump impeller? What steps should I take before continuing to drive?
Talha Kyanii asked on 15 Nov 2025 11:12:01 am
1 Answer
13 views |
Gari Master - on 15 Nov 2025 11:15:07 am
If the engine temperature rises suddenly and the heater blows cold air, its a strong sign that coolant is not circulating, which often points to a broken o r jammed water pump impeller.

Possible reasons:

Impeller detachment common in plastic o r low-quality pumps

Internal pump corrosion

Pump shaft failure

Air trapped inside the cooling system

What to do:

Stop driving immediately—continuing can warp the cylinder head.

Let the car cool and check the coolant level.

Inspect for visible leaks from the pump o r hoses.

Check if coolant is moving inside the reservoir while the engine runs—
if not, the pump isn’t circulating it.

Tow the car to a mechanic to avoid overheating damage.

A non-circulating pump will require replacement, along with refilling coolant and bleeding air from the system.
 

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