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Home >> Jeep >> 2011 >> Wrangler Rubicon, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Engine Cooling System >> Engine >> Pump, Water >> Installation >> 3.8L Engine

3.8L Engine

Fig 1: Water Pump Seal
GC0124542Courtesy of CHRYSLER GROUP, LLC
1 - WATER PUMP HOUSING
2 - SEAL
3 - IMPELLER
  1. Install new seal (2) into water pump housing groove.
    NOTE:

    The water pump pulley MUST be positioned loosely between the pump housing and drive hub BEFORE water pump installation.

  2. Position the water pump pulley loosely between pump housing and drive hub.
    Fig 2: Water Pump & Gasket
    GC0130725Courtesy of CHRYSLER GROUP, LLC
  3. Install the water pump (1), new gasket (1) and pulley to the timing chain case cover. Tighten the water pump bolts (2) to 12 N.m (105 in. lbs.).
  4. Position pulley on water pump hub. Install bolts and tighten to 28 N.m (250 in. lbs.).
  5. Rotate pump by hand to check for freedom of movement.
  6. Install the accessory drive belt. Refer to BELT, SERPENTINE, INSTALLATION .
  7. Install drive belt shield.
  8. Evacuate air and refill cooling system. Refer to PUMP, WATER, STANDARD PROCEDURE .
  9. Check cooling system for leaks. Refer to LEAK TESTING .