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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 356 (Engine Cooling System - 2500 Hd & 3500 Hd) >> Engine >> Fan, Cooling, Viscous >> Removal >> 6.7L Diesel

6.7L Diesel

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:

If the electronically controlled viscous fan drive is replaced because of mechanical damage, the cooling fan blades should also be inspected. Inspect for fatigue cracks, or chipped blades that could have resulted from excessive vibration. Replace fan blade assembly if any of these conditions are found. Also inspect wiring harness and connectors for damage.

Fig 1: Engine Cover, Bolts & Oil Dipstick
GC0155408Courtesy of CHRYSLER GROUP, LLC
  1. Disconnect and isolate both negative battery cables.
  2. Remove the engine oil dip stick (3).
  3. Remove fasteners (1, 4) and the engine cover (2).
    Fig 2: Upper Radiator Shroud & Fasteners
    GC0155180Courtesy of CHRYSLER GROUP, LLC
  4. Remove fasteners (2) and the upper radiator shroud (1).
    Fig 3: Fan Wire Harness Connector & Pin retainer
    GC0155266Courtesy of CHRYSLER GROUP, LLC
  5. Disconnect the electronically controlled viscous fan wire harness connector (2).
  6. Remove push pin retainer (1) securing the fan drive wire harness from support bracket.
    Fig 4: Driver Side Fan Shroud Mounting Nut
    GC0155312Courtesy of CHRYSLER GROUP, LLC
  7. Remove the driver side fan shroud mounting nut (1).
    Fig 5: Passenger Side Fan Shroud Mounting Nut
    GC0155096Courtesy of CHRYSLER GROUP, LLC
  8. Remove the passenger side fan shroud mounting nut (1) located on the of the vehicle.
    Fig 6: Bottom Fan Shroud Nuts
    GC0155228Courtesy of CHRYSLER GROUP, LLC
  9. Remove the two bottom fan shroud nuts (1).
    CAUTION:

    Do not remove the fan pulley bolts. This pulley is under spring tension.

  10. The electronically controlled viscous fan drive/fan blade assembly is attached (threaded) to the fan pulley shaft. Remove the fan blade/fan drive assembly from fan pulley by turning the mounting nut counterclockwise (as viewed from front). Threads on the viscous fan drive are RIGHT-HAND.  A 48 MM Fan Wrench can be used. Place a bar or screwdriver between the fan pulley bolts to prevent pulley from rotating.
  11. Collapse fan shroud toward front of vehicle and remove fan drive/fan blade and fan shroud as an assembly.
    Fig 7: Bracket, Wire Harness Connector & Fan Hub
    GC0155302Courtesy of CHRYSLER GROUP, LLC
  12. Disconnect the wire harness connector (2) and remove bracket (1) from the fan hub (3).
    Fig 8: Viscous Fan Drive, Fan Blade Mounting Nuts & Fan Blades
    GC0155327Courtesy of CHRYSLER GROUP, LLC
    CAUTION:

    The electronically controlled viscous fan drive is vibration and impact sensitive, especially at the electrical connectors. Do not drop the unit.

  13. Remove the four fan blade mounting nuts (2) from the viscous fan drive (1).
  14. Inspect the fan for cracked, chipped or damaged fan blades (1).
  15. If necessary, remove the accessory drive belt. Refer to BELT, SERPENTINE, REMOVAL .
    Fig 9: Fan Drive Pulley & Bolts
    GC0155183Courtesy of CHRYSLER GROUP, LLC
  16. If necessary, remove bolts (2) and the fan drive pulley (1).
    Fig 10: Fan Drive Hub & Bolts
    GC0155277Courtesy of CHRYSLER GROUP, LLC
  17. If necessary, remove bolts (1) and the fan drive hub (2).
  18. Disengage the fan shroud lower retaining clips.
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