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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 86 (Engine Cooling System - 1.6L - Optima (Except HEV)) >> Water Temperature Control Assembly >> Repair Procedures >> Removal and Installation >> Water Pipe

Water Pipe

WARNING: This page is about a different variant/trim than selected.
  1. Remove the water temperature control assembly.
  2. Remove the intake manifold.

    (Refer to Intake and Exhaust System - "INTAKE MANIFOLD ")

  3. Disconnect the injector connectors (A).
  4. Disconnect the rail pressure sensor (RPS) connector (B).
    Fig 1: Locating Injector Connectors And Rail Pressure Sensor Connector
    G11822792Courtesy of KIA MOTORS AMERICA, INC.
  5. Remove the water pipe (A).

    Tightening torque 

    M6 bolt:

    9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

    M8 bolt:

    18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb.ft)

    Fig 2: Locating Water Pipe
    G11822793Courtesy of KIA MOTORS AMERICA, INC.
  6. Install in the reverse order of removal.