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Home >> Honda >> 2014 >> Pilot EX, FWD >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Water Passage Replacement

Water Passage 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 intake air duct (see step 7 under ENGINE REMOVAL ).
  6. Disconnect the upper radiator hose (A), the lower radiator hose (B), the ECT sensor 1 connector (C), and the EGR valve connector (D).
    Fig 1: Identifying ECT Sensor 1 Connector, EGR Valve Connector, Upper And Lower Radiator Hose
    G08078918Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Disconnect the water bypass hoses (A) and the heater hose (B).
    Fig 2: Identifying Heater And Water Bypass Hoses
    G08078919Courtesy of AMERICAN HONDA MOTOR CO., INC.
  8. Remove the EGR pipe (see EGR VALVE REPLACEMENT ).
  9. Remove the water passage and the related parts.
    Fig 3: Cooling System Water Passage And Related Replacement Components With Torque Specifications
    G08078920Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Install the water passage in the reverse order of the removal.
  11. Install the intake air duct (see step 53 under ENGINE INSTALLATION ).
  12. Install the battery base (see step 51 under ENGINE INSTALLATION ).
  13. Do the battery installation procedure (see INSTALLATION ).
  14. Install the air intake duct (see FRONT BULKHEAD COVER REPLACEMENT ).
  15. Refill the radiator with engine coolant, and bleed the air from the cooling system (see step  8 under Coolant Replacement ).
  16. Clean up any spilled engine coolant.
  17. Inspect for engine coolant leaks.