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Home >> Chevrolet >> 2007 >> Optra LS, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 1.8L (L79) >> Repair Instructions >> Fuel Injector Replacement >> Installation Procedure

Installation Procedure

    Fig 1: View Of Fuel Injector
    GM1256143Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Different injectors are calibrated for different flow rates. When ordering new fuel injectors, be certain to order the identical part number that is inscribed on the old injector.
  1. Lubricate the new fuel injector O-rings with engine oil. Install the new O-rings on the fuel injectors.
  2. Install the fuel injectors into the fuel rail sockets with the fuel injector terminals facing outward.
  3. Install the fuel injector retaining clips onto the fuel injector and the fuel rail ledge.
  4. Make sure that the clips are parallel to the fuel injector harness connector.
  5. Install the fuel rail assembly. Refer to Fuel Rail Assembly Replacement .
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