the fans come on when i turn the key on an dont come of till i turn the key back, also the heat isnt great inside the car tbh its like it doesnt even get warm attal, anyone had this before? need help asap as car i sbeing sold tomora night, thanks andrew

 

sticking relay or the temp sensor is knackered

 

i checked the temp sensor, not that, stuck new one in and still same.

anyone else any other ideas? Thanks

 

Has your car got climate controll? Theres a resistor in the fans that brake causing them to run on high speed all the time. Common on mk4 golfs so it it. Friends had a broken wire that caused them to run aswell