2004 coolent fan stays on - Page 3

JKUCSMA · 08-19-2008

No,lights never come on.I swear I can smell anti-freeze though,but the tank is always full.

chitown alex · 08-19-2008

I had the same problem with the 04'. Did it for a couple of days and then stopped. I started a thread on this about a month ago. I was disconnecting the fans when I got home so that it wouldn't drain the battery. But after that I have never had any other issues and or errors. One of those "fix itself" things again.

vwdoctor · 4 Weeks Ago

try replacing the sensor right below the backside of the intake manifold on the fire wall side. its a grey 4 pin sensor...
dont forget to check & clear faults in the ECM & climate control !!!! the fans will still run if it still has a fault in the system.

chitown alex · 4 Weeks Ago

Can you explain why it doesn't occur all the time. This has happened to me 4 times. I never get any alarms, the fans stay on and I end up disconnecting them so that they don't drain the battery. At one point it was doing it for a week, and then just stopped like all the other times.

nltomba · 3 Weeks Ago

My 04 V8 did this and it ended up having a faulty waterpump and Thermostat

$1800 later.... Basically ended up doing my 80k timingbelt maintenance 10 k earlier

JKUCSMA · 3 Weeks Ago

Strange,the weather is cooler know so it doesn't run at all,when you shutdown,maybe oil temp is lower.

08-19-2008	#21
JKUCSMA Senior Member Join Date: Jun 2008 Location: OHIO Posts: 376	No,lights never come on.I swear I can smell anti-freeze though,but the tank is always full. __________________ 08 Touareg Uniblack,Lux pckg.,06 Reflex Silver Passat vr6

08-19-2008	#22
chitown alex Senior Member Join Date: Oct 2007 Location: Chicago Posts: 586 Images: 17	I had the same problem with the 04'. Did it for a couple of days and then stopped. I started a thread on this about a month ago. I was disconnecting the fans when I got home so that it wouldn't drain the battery. But after that I have never had any other issues and or errors. One of those "fix itself" things again. __________________ Gotta live for the moment...tomorrow is not promised

4 Weeks Ago	#23
vwdoctor Member Join Date: Oct 2008 Location: new hampshire Posts: 46	try replacing the sensor right below the backside of the intake manifold on the fire wall side. its a grey 4 pin sensor... dont forget to check & clear faults in the ECM & climate control !!!! the fans will still run if it still has a fault in the system. __________________ fix it till its broke. Last edited by vwdoctor; 4 Weeks Ago at 10:52 PM. Reason: needed to add fault data

4 Weeks Ago	#24
chitown alex Senior Member Join Date: Oct 2007 Location: Chicago Posts: 586 Images: 17	Can you explain why it doesn't occur all the time. This has happened to me 4 times. I never get any alarms, the fans stay on and I end up disconnecting them so that they don't drain the battery. At one point it was doing it for a week, and then just stopped like all the other times. __________________ Gotta live for the moment...tomorrow is not promised

3 Weeks Ago	#25
nltomba Senior Member Join Date: Jun 2006 Location: SW Missouri Posts: 644	My 04 V8 did this and it ended up having a faulty waterpump and Thermostat $1800 later.... Basically ended up doing my 80k timingbelt maintenance 10 k earlier __________________ own 2004 V8 touareg, nav, air suspension

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