PWM Fan Control Module - 4.0L: Removal

The Pulse Width Modulated (PWM) cooling fan relay is located below the right headlamp behind the bumper fascia (Fig 1 ).

1. Remove front bumper and grill assembly.
2. Remove 1 support bolt near front of reservoir (Fig 1 ).
   Fig 1: Radiator Cooling Fan Relay Location

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3. Remove 2 reservoir mounting bolts.
4. Remove reservoir from vehicle to gain access to vacuum hose (Fig 2 ). Disconnect vacuum hose from reservoir fitting at rear of reservoir.
   Fig 2: Vacuum Reservoir Removal/Installation

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5. Disconnect electrical connector at relay (Fig 3 ).
6. Remove 2 relay mounting bolts (Fig 3 ) and remove relay.
   Fig 3: Radiator Cooling Fan Relay Removal/Installation

   Courtesy of DAIMLERCHRYSLER CORP.