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Water Passage 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 intake air duct (see step 7 on ENGINE REMOVAL ).
  6. Disconnect the upper radiator hose (A), the lower radiator hose (B), the engine coolant temperature (ECT) sensor 1 connector (C), and the exhaust gas recirculation (EGR) valve connector (D).
    Fig 1: Identifying Upper & Lower Radiator Hose Radiator Hose & Exhaust Gas Recirculation (EGR) Valve Connector
    G05961189Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Disconnect the water bypass hoses (A) and the heater hose (B).
    Fig 2: Identifying Water Bypass Hoses & Heater Hose
    G05961190Courtesy 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: Identifying Water Passage Replacement Components With Torque Specifications
    G05961191Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Install the water passage and the related parts.
  11. Install the intake air duct (see step 58 on ENGINE INSTALLATION ).
  12. Install the battery base (see step 56 on ENGINE INSTALLATION ).
  13. Do the battery installation procedure (see BATTERY REMOVAL AND INSTALLATION ).
  14. Install the air intake duct (see step 1 on FRONT BULKHEAD COVER REPLACEMENT ).
  15. Refill the radiator with engine coolant, and bleed the air from the cooling system (see step 11 on COOLANT REPLACEMENT  ).
  16. Clean up any spilled engine coolant.
  17. Inspect for engine coolant leaks.
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