Check the discussion page.
On top of the battery
The fan fuses are located besides cooling reservoir
When operating properly, the cooling fan stays on until the temperature drops to normal.
Under normal conditions one fan is sufficient to cool your Jetta. But, in extremely hot conditions, idleing with air conditioning on or driving in the desert or even across Kansas on a very hot day may require additional cooling from the secondary fan.
Idk. I replaced the thermal sensor on mine I also have a 98 jetta didn't work. So it's either the fan switch or the control module fan relay.
The fan control module is inside the main (larger/left) fan motor. It requires replacement of the entire fan. Your secondary fan may still work. Bench test it to confirm.
A faulty thermostatic switch would prevent the fan switching on when the engine is hot. (Located in the side of the radiator on my 1991 golf)
Very carefully
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2002 vw jetta-temperature light goes to red in 30 seconds. any opinion will be appreciated.
Volkswagen has a hardwired cooling system in a good number of their models, the cooling fan will run several minutes after driving. Especially if the engine is overheated, you can expect the fan to resume after it has initially shut off... So make sure to disconnect the battery before any repairs following running the engine. Brandon 1990 volkswagen jetta gl 1.86 carrat Wolfsburg edition
A fan or cooler relay is used in electrical furnace to change the blower speed to the blank speed for cooling