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Home >> Jeep >> 2018 >> Grand Cherokee Trackhawk >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Cooling System >> Engine >> Pump, Water >> Installation >> 3.6L

Pump, Water: Installation: 3.6L

  1. Clean the mating surfaces.
    NOTE:

    Take notice of the locations and different lengths of the mounting bolts and ensure that they are installed in the same location as they were removed.

    GC0173795Courtesy of CHRYSLER GROUP, LLC
  2. Using a new gasket, position water pump and hand tighten the mounting bolts (1).
    GC0173580Courtesy of CHRYSLER GROUP, LLC
  3. Hand tighten the idler pulley (1) bolt.
    GC0173752Courtesy of CHRYSLER GROUP, LLC
  5. Tighten the bolts 1 - 12 in the sequence shown. Tighten the bolts to their respective torque:
    • Tighten M6 mounting bolts to 11 N.m (8 ft. lbs.).
    • Tighten M8 bolts to 23 N.m (17 ft. lbs.).
    • Tighten M10 bolt to 50 N.m (37 ft. lbs.).
    • Repeat the tightening sequence until the proper torque has been met.
  6. Spin water pump to be sure that pump impeller does not rub against timing chain case/cover.
    GC0173643Courtesy of CHRYSLER GROUP, LLC
  7. Install the lower radiator hose (2).
  8. Install the lower return heater hose (1).
    GC0173554Courtesy of CHRYSLER GROUP, LLC
  9. Install the outlet hose and secure the clamps (2) at the thermostat housing.
  10. Install the outlet hose to the vacuum pump bracket (1) and securely tighten.
  11. Install the serpentine belt. Refer to BELT, SERPENTINE, INSTALLATION .
  12. Install the electric vacuum pump. Refer to PUMP, ELECTRIC VACUUM, INSTALLATION .
  13. Evacuate air and refill cooling system. Refer to STANDARD PROCEDURE .
  14. Connect negative battery cable.
  15. Check the cooling system for leaks. Refer to DIAGNOSIS AND TESTING .
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