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Home › Acura › 2007 › CSX Type-S › Repair and Diagnosis › Engine Mechanical › Cooling System (Mechanical) › Water Passage Replacement

Water Passage Replacement

  1. Drain the engine coolant (see COOLANT CHECK  ).
  2. Remove the alternator (see ALTERNATOR REMOVAL AND INSTALLATION ).
  3. Remove the A/C condenser fan shroud assembly.
  4. Remove the A/C compressor without disconnecting the A/C hoses (see step 40 on ENGINE REMOVAL ).
  5. Remove the intake manifold:
  6. Remove a bolt (A) securing the connecting pipe.
    Fig 1: Identifying Lower Radiator Hose, Connecting Pipe, Water Bypass Hose And Harness Clamp
    G06264421Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Remove the lower radiator hose (B), connecting pipe (C), water bypass hose (D), and harness clamp (E).
  8. Remove the positive crankcase ventilation (PCV) hose (A), then remove the water passage (B).
    Fig 2: Identifying Positive Crankcase Ventilation (PCV) Hose And Water Passage
    G06264422Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Remove the thermostat housing.
    Fig 3: Identifying Thermostat Housing And Bolts
    G06264423Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Remove the water pump (see WATER PUMP REPLACEMENT  ).
  11. Install the water pump (see WATER PUMP REPLACEMENT  ).
  12. Install the thermostat housing (A) with a new O-ring (B).
    Fig 4: Thermostat Housing With O-Ring With Torque Specifications
    G06264424Courtesy of AMERICAN HONDA MOTOR CO., INC.
  13. Clean, and dry the water passage mating surfaces.
  14. Apply liquid gasket, P/N 08717-0004, 08718-0001, 08718-0003, or 08718-0009, evenly to the engine block mating surface of the water passage. Install the component within 5 minutes of applying the liquid gasket.
    NOTE:
    • If you apply liquid gasket P/N 08718-0012, the component must be install within 4 minutes.
    • If too much time has passed after applying the liquid gasket, remove the old liquid gasket and residue, then reapply new liquid gasket.
      Fig 5: Applying Liquid Gasket Along Broken Line
      G06264425Courtesy of AMERICAN HONDA MOTOR CO., INC.
  15. Install the water passage (A) with a new O-ring (B).
    NOTE:
    • Wait at least 30 minutes before filling the engine with oil.
    • Do not run the engine for at least 3 hours after installing the water passage.
      Fig 6: Water Passage With O-Ring With Torque Specifications
      G06264426Courtesy of AMERICAN HONDA MOTOR CO., INC.
  16. Install the PCV hose (C).
  17. Install the connecting pipe (A) with a new O-ring (B).
    Fig 7: Connecting Pipe With O-Ring With Torque Specifications
    G06264427Courtesy of AMERICAN HONDA MOTOR CO., INC.
  18. Install the lower radiator hose (C), water bypass hose (D), and harness clamp (E).
  19. Tighten a bolt (F) securing the connecting pipe.
  20. Install the intake manifold:
  21. Install the A/C compressor (see step 28 on ENGINE INSTALLATION ).
  22. Install the A/C condenser fan shroud assembly.
  23. Install the alternator (see INSTALLATION ).
  24. Refill the radiator with engine coolant, and bleed the air from the cooling system with the heater valve open (see step  6 on ).
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