Having problems with your 2002 Pontiac Montana ?

Cooling fan runs continuously, even after replacing both relays coolant sensor.

\015 When ignition is turned off fans stop, when relays are removed fans turn off. Could problem PCM fan drivers?\015 Posted / edited by AnonymousUser on : 12-04-2021

Answers :

Could be that you have 2 Thermal sensors as some cars have one for the dash gauge or light and the other is for the PCM.

Remember that when you turn on the A/C it can trigger the cooling fans to run continuously. If the A/C is left on while you are doing all of this, it can be a simple reason for the problem.

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Repair Help & Product Troubleshooting for 2002 Pontiac Montana

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