Question about 2004 Volkswagen Jetta

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2004 Jetta GLS. Main cooling fan remains on after car turned off.

2004 VW Jetta GLS 1.8T - 47K miles
Fan stays on after car is off. Or - you can turn car on for 10 seconds, turn off, fan is silent for a few seconds, then you can actually hear the main fan start to kick in.

Already had replaced: both cooling fans, fan control module, coolant temp sensor, fan switch, 4 terminal connectors. No trouble codes reported in VW electronic diagnostic test. 2 different VW dealers and and my mechanic threw in the towel. Any suggestions greatly appreciated.

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"Already had replaced: both cooling fans, fan control module, coolant temp sensor, fan switch, 4 terminal connectors. No trouble codes reported in VW electronic diagnostic test. 2 different VW dealers and and my mechanic threw in the towel. Any suggestions greatly appreciated."

This is a common problem with the VW..and no one has an answer WHY. (including VW mechanics)

THIS IS A RECALL ISSUE and should be implemented

Posted on Mar 18, 2011

  • skcroghan May 11, 2011

    50,000 miles and ac went out. said i need to replace my cooling fan control module , aux fan control unit for $458. I definitely agree with a recall needed.

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Hi Djtrumblower. this is definitely not a Normal situation. I have the same problem on a golf 1.6 petrol year 2003. I have replaced 2 different temperature sensors-switches, one in the radiator and one in the pipework, I do not have A/C. or air-conditioning fans, just one electric main radiator cooling fan. It comes on and sometimes flattens the battery. I have just replaced a thing called the fan controller module, a huge bit of kit under the battery, not just a little relay. a pig of a job! I was delighted to get it completed. they are 176 pounds form main dealers. After fitting my new unit turned on the ignition, not the engine, no fan on, started up . fan still off, great ! turned off the ignition... and the fan came on. I can now turn the fan on and off by turning the ignition on and off? ign off---fan on. It did thankfully go off after about 1015 minutes so doesn't totally flatten the battery at the moment.
I also have the alarm and doors alarming issue and have a CCM module on order , these are only 300+ pounds and I think I also have strip out and re-solder both front door locks circuit boards.

Posted on Dec 07, 2014

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Pushing excess fumes out of turbo with a radiator fan??!?!?!! there is no such function on any vehicle, EVER. Turbos are exhaust driven, and as such the radiator fans would need to be piped into the exhaust to do what you speak of.

DJtrumbower- I suggest finding a wiring diagram (haynes, chiltons, perhaps dealer) and checking all wires. Does your fan shut off by itself after time, or does it stay on all the time and never shut off?

Posted on May 18, 2009

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This is normal i have the same vehicle. the fan is blowing to push excess fumes out of the turbo. it will remain on for some time after the car is off.  

Posted on May 13, 2009

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