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HOMESERVICE MANUALSKIA2015OPTIMA LIMITEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 11 (AUTOMATIC TRANSAXLE CONTROL SYSTEM - OPTIMA HEV)TRANSAXLE CONTROL MODULE (TCM)REPAIR PROCEDURESREMOVAL
2015 Kia Optima Limited

Repair procedures: Removal

2015 Kia Optima LimitedSECTION Removal
WARNING: This page is about a different variant/trim than selected.
WARNING:
  • Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries. Refer to GENERAL SAFETY INFORMATION AND CAUTION .
  • Be sure to shut off the high voltage circuit according to the "High Voltage Shut-off Procedures" before doing any work related with the high voltage system to avoid serious electrical injuries. Refer to HIGH VOLTAGE SHUT-OFF PROCEDURE .
  1. Disconnect the 12V battery negative (-) cable.
  2. Remove the air duct (A).

    Tightening torque: 

    7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft)

    Fig 1: Air Duct
    G08312309Courtesy of KIA MOTORS AMERICA, INC.
  3. Remove the air cleaner assembly.
    1. Disconnect the breather hose (A).
    2. Disconnect the air intake hose (B) and then remove the air cleaner assembly (C).

      Tightening torque: 

      Hose clamp bolt:

      2.9 ~ 4.9 N.m (0.3 ~ 0.5 kgf.m, 2.2 ~ 3.6 lb-ft)

      Air cleaner assembly bolts:

      7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft)

    Fig 2: Breather Hose, Air Intake Hose & Air Cleaner Assembly
    G08312310Courtesy of KIA MOTORS AMERICA, INC.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.