Remove 4 bolts that hold the rad fan shroud to the radiator. Turn sideways and lift out.
SOURCE: 1991 and 1997 VW Jetta Radiator??
massive size difference get the proper one or you will be overheating next
SOURCE: 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.
SOURCE: where is a fan control
switch the ignition on. disconnect the fan switch connector on the radiator. the connector plug should have three pins (if two then its easier). you can follow a diagram, but you can connect the thin wire's pin with one of the thick ones (dont worry, the wrong one wont short anything). the fan should go on at low speed. then connect the thick wire that worked to the other thick wire. the fan should go on at full speed. please ensure the ignition is on to test the full speed one as it doesnt operate with the ignition off. if neither works then check the fan control module. its under your water bottle. remove the water bottle then two screws will remove that unit. btw. they never give in, but maybe this is a first.
SOURCE: 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?
SOURCE: How do you replace radiator fan motor on 1996 VW
You will need to unbolt the 4 bolts holding the fan shroud to the radiator, usually 10mm bolts. Unplug the fan and remove any relays or anything attached to the shroud. Removing the battery may give you a little more room to get the shroud out. Remove the fan from the motor and unbolt the motor from the shroud.
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