PWM Fan Control Module - 4.0L: Removal
WARNING: This page is about a different car, the 2004 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
The Pulse Width Modulated (PWM) cooling fan relay is located below the right headlamp behind the bumper fascia (Fig 1 ).
- Remove front bumper and grill assembly.
- Remove 1 support bolt near front of reservoir (Fig 1 ).
- Remove 2 reservoir mounting bolts.
- Remove reservoir from vehicle to gain access to vacuum hose (Fig 2 ). Disconnect vacuum hose from reservoir fitting at rear of reservoir.
- Disconnect electrical connector at relay (Fig 3 ).
- Remove 2 relay mounting bolts (Fig 3 ) and remove relay.