How to Replace the Fan in a VW Passat

Written by ehow cars editor
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While replacing the engine cooling fan in a VW Passat is relatively simple compared to other VW vehicles, be warned that a different procedure applies to each engine configuration. These steps apply to the 2.8L VW Passat engine. A novice can accomplish this task in about an hour and you will need a few special tools for the job.

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Things you need

  • Wrench or screwdriver
  • Pin wrench #3212
  • Open end wrench #3312

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  1. 1

    Disconnect and isolate the negative battery cable using a normal wrench or screwdriver. Never skip this step when working in the engine compartment of your VW Passat.

  2. 2

    Use pin wrench #3212 or an equivalent to hold the viscous fan coupling pulley in place, and then remove the coupling with open end wrench #3312 or an equivalent. It's very important that you note this coupling has a left-hand thread; it must be rotated opposite the typical direction to loosen and remove it.

  3. 3

    Lift the viscous fan coupling upward out of the vehicle. Replace the fan unit and tighten the coupling to 30 foot pounds (40 Nm) of torque. Remember that this is a left-handed thread and must be tightened opposite the usual direction. This tightening torque only applies when used in conjunction with pin wrench #3212; don't substitute another tool.

  4. 4

    Reconnect the negative battery cable and run your vehicle up to normal operating temperature. Check for normal fan operation.

Tips and warnings

  • You don't have to drain the coolant to replace the cooling fan on a VW Passat.

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