Northstar Engines and System Technical Discussion Discussion, Fan runs while car is shut off in Cadillac Engine Technical Discussion; Our 94 Seville runs the battery down b/c a fan is running while the car is shut off. We sometimes ...
Automobile(s): 2002.5 F55 STS/65500mi, 2004 Ford F150 SuperCab4x4
MD Eastern Shore - Kent Island
Re: Fan runs while car is shut off
The fan(s) MAY run for 20-30 seconds, once or twice, after a hot drive. If one or both run after that cooldown cycle, something is wrong with the temperature sensor, the fan control module, or the control relay. Sounds like a dealer do.....