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Home >> Jeep >> 2021 >> Grand Cherokee Trackhawk >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Cooling System >> Engine >> Thermostat >> Removal >> 5.7L/6.4L
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Cooling System: Engine: Thermostat: Removal: 5.7L/6.4L

GC0144461Courtesy of CHRYSLER GROUP, LLC
WARNING:

Do not loosen the radiator draincock with the cooling system hot and pressurized. Serious burns from the coolant can occur.

Do not waste reusable coolant. If the solution is clean, drain the coolant into a clean container for reuse.

If the thermostat is being replaced, be sure that the replacement is the specified thermostat for the vehicle model and engine type.

NOTE:

Thermostat housing with an engine oil cooler similar.

  1. Disconnect the negative battery cable.
  2. Remove the air intake system. For 5.7L refer to REMOVAL , for 6.4L Refer to BODY, AIR CLEANER, REMOVAL .
  3. Partially drain the cooling system. Refer to DRAINING  .
  4. Remove the upper radiator hose at the thermostat housing (2) and position it aside.
  5. Remove the thermostat housing mounting bolts (1), the thermostat housing (2) and the thermostat.