Volkswagen Jetta Mk4 Radiator Fan Switch Replacement Jetta Mk4 2 0l I would offer that i too used a 29mm deep socket to remove fan switch, purchased from amazon for $7 8. i have a 2003 vw jetta 2.0 gl and i used these instructions to change out the radiator fan switch and am very thankful for the guidance, clear directions and photos. Volkswagen jetta mark iv (2.0l) technical articles (1999 2005) volkswagen jetta mk4 radiator fan replacement. figure 1 shown here is the radiator fan assembly.
Volkswagen Jetta Mk4 Radiator Fan Switch Replacement Jetta Mk4 2 0l Vw jetta fans not working? here's how to replace a radiator fan in a 1999 2000 2001 2002 2003 2004 2005 volkswagen jetta or jetta wagon 2.0 engine mark 4here. A new ect sensor got rid of that p2181 code. the engine warmed up to 190 according to the gauge in the instrument cluster. i kept expecting the cooling fan to kick on after about 10 minutes of idling, but it never did; temperature never went over 190 either. the obvious explanation is that the radiator is doing its job without the cooling fans. 1) start and idle the vehicle. select "a c on" at maximum cooling and "blower on" at high speed. 2) check for 12 volts at the t14 connector pin no. 8 (t14 8). this 12 volt signal comes from the a c switch and requires both cooling fans on at low speed and compressor activation. 3) check for 12 volts at pin t14 9. Now once the coolant is drained you need to disconnect the fan harness and the sensor on the radiator. begin disconnecting the coolant hoses from the radiator. this is done by squeezing the clamps with a pair of channel locks. pull the hoses off the radiator ends. mk4 & mk5 owner. now you can remove the 2 bolts holding the rad support.
Volkswagen Jetta Mk4 Radiator Fan Switch Replacement Jetta Mk4 2 0l 1) start and idle the vehicle. select "a c on" at maximum cooling and "blower on" at high speed. 2) check for 12 volts at the t14 connector pin no. 8 (t14 8). this 12 volt signal comes from the a c switch and requires both cooling fans on at low speed and compressor activation. 3) check for 12 volts at pin t14 9. Now once the coolant is drained you need to disconnect the fan harness and the sensor on the radiator. begin disconnecting the coolant hoses from the radiator. this is done by squeezing the clamps with a pair of channel locks. pull the hoses off the radiator ends. mk4 & mk5 owner. now you can remove the 2 bolts holding the rad support. Depending on the model of volkswagen you own, there may be many factors that can contribute to cooling fan problems. some common causes include: damaged radiator. broken belt or pulley system. faulty fan control module. incorrectly installed fan assembly. issues with the cooling system hoses. damaged fan blades. Dang144 said: manual ac cars, push the ac button in, place a fan in slow and leave your key to on (engine does not have to be running). both fans should run in slow (unless it is near freezing.) climatronic ac cars, with the engine running, select low cabin temperatures, make sure you are not in econ mode, and check your fans.
Volkswagen Jetta Mk4 Radiator Fan Replacement Jetta Mk4 Depending on the model of volkswagen you own, there may be many factors that can contribute to cooling fan problems. some common causes include: damaged radiator. broken belt or pulley system. faulty fan control module. incorrectly installed fan assembly. issues with the cooling system hoses. damaged fan blades. Dang144 said: manual ac cars, push the ac button in, place a fan in slow and leave your key to on (engine does not have to be running). both fans should run in slow (unless it is near freezing.) climatronic ac cars, with the engine running, select low cabin temperatures, make sure you are not in econ mode, and check your fans.
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