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Thermostat Replacement

WARNING: This page is about a different car, the 2011 Honda Pilot, 2010 Honda Pilot, and 2009 Honda Pilot. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the engine coolant (see COOLANT CHECK  ).
  2. Remove the air intake duct (see step 1 on FRONT BULKHEAD COVER REPLACEMENT ).
  3. Do the battery removal procedure (see BATTERY REMOVAL AND INSTALLATION ).
  4. Remove the battery base (see step 9 on ENGINE REMOVAL ).
  5. Remove the thermostat cover, then remove the thermostat.
    Fig 1: Thermostat Parts Location With Torque Specifications
    G05961188Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Install the new thermostat (with the pin up) using a new rubber seal, then install the thermostat cover.
  7. Install the battery base (see step 56 on ENGINE INSTALLATION ).
  8. Do the battery installation procedure (see BATTERY REMOVAL AND INSTALLATION ).
  9. Install the air intake duct (see step 1 on FRONT BULKHEAD COVER REPLACEMENT ).
  10. Refill the radiator with engine coolant, and bleed the air from the cooling system with the heater valve open (see step 11 on COOLANT REPLACEMENT  ).
  11. Clean up any spilled engine coolant.
  12. Inspect for engine coolant leaks.
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