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Home >> Jeep >> 2017 >> Wrangler Rubicon, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Engine Cooling System >> Engine >> Thermostat >> Removal >> 2.8L
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Engine Cooling System: Engine: Thermostat: Removal: 2.8L

NOTE:

The Thermostat Housing is located below the EGR Cooler. IF the Thermostat needs replacing. You must replace the housing assembly.

  1. Disconnect the negative battery cable.
  2. Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
  3. If equipped, remove the skid plate.
  4. Drain the cooling system. Refer to DRAINING .
  5. Close the radiator petcock.
  6. If equipped, install the skid plate.
  7. Remove the drivers side front wheel.
  8. Remove the inner wheel well splash shield. Refer to SHIELD, SPLASH, WHEELHOUSE, REMOVAL .
    GC0145355Courtesy of CHRYSLER GROUP, LLC
  9. Disconnect the upper radiator hose at the thermostat housing (4) and position aside.
  10. Remove the lower radiator hose at the water intake elbow (9) and position aside
  11. Remove the coolant reservoir return hose at the water intake elbow (7).
  12. Remove the lower heater return hose from the water intake elbow (8).
  13. Remove the lower EGR cooler supply hose at the cooler (5).
  14. Remove the heater hose supply hose at the thermostat housing (6).
  15. Remove the lower bypass hose at the water intake elbow.
  16. Remove the EGR cooler return hose at the cooler (1).
  17. Disconnect the temperature sensor wire harness connector (2).
  18. Remove the nuts (3) and the thermostat housing (4) from intake manifold, discard gasket.
    GC0145356Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    When removing the hoses from the thermostat housing, make a reference mark by using a paint pen or marker for easy installation.

  19. Remove the lower bypass hose (3).
  20. Remove the temperature sensor (4).
  21. Remove the EGR Cooler supply hose (5).