Cooling fan turns on and off

louis11018

Active member
Joined
Nov 28, 2020
Location
Arcade ny
TDI
98 Jetta tdi ahu
to start this off, my parents have an 06 Jetta tdi and I noticed when you drive it the fan turns on and off a lot. My dad said when you turn the car off while the fan is on, it should turn back on when you start the car. The fan doesn’t turn back on after turning the car back on. Is this a sign of a bad relay or fan? It just seems like the fan runs a lot more than it should
 

Dannyboy

Veteran Member
Joined
May 25, 2013
Location
Mb
TDI
2014
Fan is ecu controlled, depends if you have A/C on which runs constantly normally you have manual climate control. Press the Econ button turns off the a/c off. The fans should stop. This is normal operation
 
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