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Home >> Honda >> 2015 >> Pilot EX, FWD >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Thermostat Replacement

Thermostat Replacement

  1. Drain the engine coolant (see COOLANT CHECK  ).
  2. Remove the air intake duct (see step 1 under FRONT BULKHEAD COVER REPLACEMENT ).
  3. Do the battery removal procedure (see RECONNECTION ).
  4. Remove the battery base (see step 9 under ENGINE REMOVAL ).
  5. Remove the thermostat cover, then remove the thermostat.
    Fig 1: Thermostat And Related Replacement Components With Torque Specifications
    G08078917Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Install the new thermostat with a new rubber seal, then install the thermostat cover.
  7. Install the battery base (see step 51 under ENGINE INSTALLATION ).
  8. Do the battery installation procedure (see INSTALLATION ).
  9. Install the air intake duct (see FRONT BULKHEAD COVER REPLACEMENT ).
  10. Refill the radiator with engine coolant, and bleed the air from the cooling system (see step  8 under Coolant Replacement ).
  11. Clean up any spilled engine coolant.
  12. Inspect for engine coolant leaks.