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Matt, Mechanical Engineer
Category: Car
Satisfied Customers: 21993
Experience:  BEng hons Mech engineering, in auto industry 22 years
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Coolant light staying on after top up

Resolved Question:

coolant light staying on after top up
Submitted: 1 year ago.
Category: Car
Expert:  Matt replied 1 year ago.
hello if the level in the expansion tank is up to the mark and the engine isn't overheating then the level switch in the tank must be sticking / faulty so I'd suggest to unscrew the sensor from the side of the tank and clean it , also check the wiring for any damage and the connector for corrosion
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