5.7L/3.0L Diesel Engines

Fig 1: Hydraulic Lines/Hoses And Electrical Connector

Courtesy of DAIMLERCHRYSLER CORP.

1 - ELECTRICAL CONNECTOR

2 - HIGH PRESSURE LINE (INLET)

3 - HIGH PRESSURE LINE (OUTLET)

4 - LOW PRESSURE RETURN HOSE

Raise vehicle on hoist.
Drain cooling system. Refer to DRAINING COOLING SYSTEM .
NOTE: The hydraulic fan drive is driven by the power steering pump. When removing lines or hoses from fan drive assembly use a drain pan to catch any power steering fluid that may exit the fan drive or the lines and hoses.

NOTE: When ever the high pressure line fittings are removed from the hydraulic fan drive the O-rings must be replaced.
Disconnect two high pressure lines at hydraulic fan drive. See Fig 1. Remove and discard O-rings from line fittings.
Disconnect low pressure return hose at hydraulic fan drive. See Fig 1.
NOTE: The lower mounting bolts can only be accessed from under vehicle.
Remove two lower mounting bolts from the shroud. See Fig 3.
Lower vehicle.
Disconnect the electrical connector for the fan control solenoid.
Disconnect the radiator upper hose at the radiator and position out of the way.

Fig 2: Power Steering Gear Outlet And Return Hoses
Courtesy of DAIMLERCHRYSLER CORP.

1 - POWER STEERING COOLER RETURN HOSE

2 - POWER STEERING COOLER SUPPLY HOSE
Disconnect the power steering gear outlet hose and fluid return hose at the cooler. See Fig 2.

Fig 3: Fan Shroud Mounting Bolt Locations
Courtesy of DAIMLERCHRYSLER CORP.

1 - FAN SHROUD UPPER MOUNTING BOLT LOCATIONS

2 - WIRE HARNESS RETAINER
Remove two upper mounting bolts from the shroud. See Fig 3.
Remove the shroud and fan drive from vehicle.