Engine Mechanical System

Water Temperature Control Assembly Repair Procedures

42steps
~252min
4/5difficulty
0102030405023.517N·mlb·ft
Tightening torque found on this page
Done 0 of 42

Removal and Installation

Water Temperature Control Assembly
  1. Disconnect the negative (-) battery cable from the battery.
  2. Remove the engine compartment cover. (Refer to Engine and Transaxle Assembly - "Engine Compartment Under Cover")
  3. Drain the engine coolant. (Refer to Cooling System — Engine Coolant)
  4. Remove the air cleaner assembly. (Refer to Intake and Exhaust System - "Air Cleaner")
  5. Disconnect the radiator lower hose (A).
    When installing the radiator hoses, follow the illustration below.
  6. Remove the water inlet pipe (A).

    Tightening torque: 19.6 - 24 N·m

  7. Disconnect the upper radiator hose (A).
    When installing the radiator hoses, follow the illustration below.
  8. Disconnect the engine wiring harness.
    1. Engine control module connector (A)
    2. TCM connector (B)
    3. IDB connector (C)
    4. Ground cable (D)
    Ground cable (D) tightening torque: 10.8 ~ 13.7 N·m
  9. Remove the oil level gauge.
  10. Remove the water outlet pipe and hose (B), then remove the oil level sensor (A).

    Tightening torque: 19.6 - 24 N·m

  11. Remove the expansion tank. (Refer to Intake and Exhaust System - "Expansion Tank")
  12. Remove the upper hood cover.
  13. Remove the engine compartment partition (A).
  14. Disconnect the heater inlet and outlet hoses (A).
    When installing the heater hoses, follow the illustration below.
  15. Remove the ATF cooler hose (A) and heater hose (B).
  16. Remove the water temperature control assembly (A) and gaskets. Bolt and nut tightening torque: 19.6 ~ 24 N·m
    • Before installing the water temperature control assembly, clean the gasket surface.
    • Do not reuse the gasket.
  17. To install, reverse the removal procedure.
  18. Fill the radiator with engine coolant and check for leaks. (Refer to Cooling System - "Engine Coolant")
  19. Disconnect the negative (-) battery cable from the battery.
  20. Remove the engine compartment cover. (Refer to Engine and Transaxle Assembly - "Engine Compartment Under Cover")
  21. Drain the engine coolant. (Refer to Cooling System — Engine Coolant)
  22. Remove the air cleaner assembly. (Refer to Air Intake and Exhaust System - "Air Cleaner").
  23. Disconnect the radiator lower hose (B).
    When installing the radiator hoses, follow the illustration below.
  24. Remove the oxygen sensor bracket (A) and sensor bracket (B).
  25. Remove the water inlet pipe (A).

    Torque: 19.6 ~ 24 N·m

    Do not reuse the water pipe O-ring.
  26. To install, reverse the removal procedure.
  27. Disconnect the negative (-) battery cable from the battery.
  28. Remove the engine compartment cover. (Refer to Engine and Transaxle Assembly - "Engine Compartment Under Cover")
  29. Disconnect the upper radiator hose (A).
    When installing the radiator hoses, follow the illustration below.
  30. Remove the engine room cover and upper radiator grille cover. (Refer to Engine and Transaxle Assembly - "Engine Cover")
  31. Disconnect the engine wiring harness.
    1. Engine control module connector (A)
    2. TCM connector (B)
    3. IDB connector (C)
    4. Ground cable (D)
    Ground cable (D) tightening torque: 10.8 ~ 13.7 N·m
  32. Remove the oil level gauge.
  33. Remove the water outlet pipe and hose (B), then remove the oil level sensor (A).

    Tightening torque: 19.6 ~ 24 N·m

    • When installing, apply engine oil to the O-ring and take care not to damage the O-ring.
    • Do not reuse the oil level gauge O-ring.
    • Do not reuse the water pipe O-ring.
  34. To install, reverse the removal procedure.
  35. Recheck the coolant level. (Refer to Cooling System - "Coolant")
  36. Remove the water outlet pipe. (Refer to Cooling System - "Water Temperature Control Assembly")
  37. Remove the water inlet pipe. (Refer to Cooling System - "Water Temperature Control Assembly")
  38. Remove the intake manifold. (Refer to Intake and Exhaust Systems — Intake Manifold)
  39. Remove the delivery pipe and injector. (Refer to Engine Control / Fuel System - "Fuel Delivery System")
  40. Remove the water temperature control unit. (Refer to Cooling System - "Water Temperature Control Assembly")
  41. Remove the water center pipe (A).

    Tightening torque: 9.8 ~ 11.8 N·m

    Do not reuse the water pipe O-ring.
  42. To install, reverse the removal procedure.
Water Inlet Pipe, Water Outlet Pipe, Water Center Pipe

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