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Home >> Subaru >> 2019 >> WRX STI Limited >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Emission Control Systems (Aux. Emission Control Devices) (STI) >> Secondary Air Combination Valve >> Removal >> Secondary Air Combination Valve LH

Secondary Air Combination Valve LH

  1. Disconnect the ground cable from battery.
  2. Remove the intercooler. Refer to INTAKE (INDUCTION) (STI)>INTERCOOLER>REMOVAL .
  3. Disconnect the connector from the secondary air combination valve LH.
  4. Disconnect the air duct A.
  5. Remove the secondary air pipe LH.
  6. Remove the secondary air combination valve LH.
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