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2004 VW Jetta why doesnt the larger coolant fan come on

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Hmm well that can simply be a blown fuse .. Check the fuse panel under the hood..it can also be the thermostat or a blown fan to check this connect the fan wires directly to the battery... Also make sure it aint your ac fan.. Turn ac on.. If the above fails change the thermostat..

Posted on May 22, 2010

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2 Answers

2004 jetta overheats real quick no collant leaking eng fan seems to come on too late


SOUND LIKE ENGINE COOLANT LEVEL LOW.CHECK COOLANT SURGE TANK.IF LOW MORE LIKELY RADIATOR COOLANT LEVEL LOW.ADD COOLANT TO COOLANT SURGE TANK UNTIL COOLANT LEVEL STAY AT FULL COLD MARK DONT OVERFILL OVERFLOW JUG.

Aug 24, 2011 | Volkswagen Jetta Cars & Trucks

1 Answer

2004 vw jetta is over heating. already checked thermostat and sensors. any suggestions? 2.0 engine


Is the fan kicking on? Radiator fan! When engine gets hot, radiator fan should kick on under the hood.
If it does, then there is a blockage in the radiator preventing it from circulating the coolant to dump the heat. Get a Rad flush.

If the fan does not kick on, then check the fan fuse and relays, usually found in an electrical distribution box under the hood. Consult your owners manual for its location and specific fuses / relays.
Possible bad fan too.. but disconnect the fan at the plug in the wiring, and test supply wire for voltage, when engine is above normal temperture.

Jun 30, 2011 | 2004 Volkswagen Jetta

1 Answer

I bought a 2004 VW Jetta GLS 1.8L Turbo earlier today. It has a clean carfax and recent (within a week) negative dealer diagnostics...it overheated. Well...it overheated within 2 minutes of hard...


Hold the dealer accountable, for starters! It could be the thermostat, a coolant leak, a severe engine problem, who knows? You shouldn't have to concern yourself with diagnosing and fixing a car you bought yesterday, unless you bought it as-is.

Feb 18, 2011 | 2004 Volkswagen Jetta

1 Answer

Need exact location and picture of coolant temp sensor on tdi vw jetta 2004 please Thanks


The exact locations and picture of Engine Coolant Temp (ECT) sensors on 2004 VW Jetta TDI:

1. ECT sensor 1 placed on cylinder head:

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2. ECT sensor 2 placed on the left bottom side of the radiator:

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Sep 21, 2010 | 2004 Volkswagen Jetta

2 Answers

2002 VW Jetta 1.8T: Coolant temp began rising to


volks 2001 1.8 T wolfsburgh . overheats to dangerous levels just after 2-3 min. of driving . let it cooldown an hour , drove again same thing 2-3 min. noticed fans not working , tried to crank the heaters inside , mostly cold air come in. easy fix or not?

Feb 06, 2010 | 2002 Volkswagen Jetta TDI

2 Answers

Where do I put the fluid for power steering on 2004 vw jetta


Hi if your car is a jetta/bora , in the engine bay by the coolant bottle there will be a black resovoir with a green lid on it this is where the power steering fluid goes but if your car is a late new shape jetta then it doesnt require power steering fluid as it has electric power steering hope this helps

Oct 27, 2009 | 2004 Volkswagen Jetta

4 Answers

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


"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

Apr 21, 2009 | 2004 Volkswagen Jetta

1 Answer

01 VW jetta coolant fan does not cut on


disconnect the cooling fan temperature sensor on the engione that turns on the fan, if the fans runs the switch/sensor is defective.

Mar 28, 2009 | 2001 Volkswagen Jetta TDI

1 Answer

2005 vw jetta radiator cooling fan wont shut off


Check for a switch at lower part of rad. Should see a wire harness & plug on a sensor at bottom of rad. This sensor/switch also operates fan on/off according to coolant temperature. You may need to disconnect battery to get at it safely.

Jan 16, 2009 | 2005 Volkswagen Jetta

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