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Home >> Chevrolet >> 2008 >> Optra LS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.0L (Diesel) >> Repair Instructions >> Fuel Injector Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: View Of Injector Components
    GM1820571Courtesy of GENERAL MOTORS CORP.
  1. Inspect and clean the injectors and nozzle tip.
    2. IMPORTANT: Do not reuse the injector washers, leaks may results. Do not wipe clean the nozzle tip area. It may damage the nozzle hole.
  2. Install the injector with a new washer.
  3. Insert the injector bracket into the injector groove.
    4. Fig 2: View Of Injector Bracket Bolts
    GM1820570Courtesy of GENERAL MOTORS CORP.
  4. Tighten the injector bracket bolt.

    Tighten:  Tighten the injector bracket bolt to 28 N.m (20.7 lb ft)  .

  5. Install the injector bracket plug.

    Tighten:  Tighten the injector bracket plug bolt to 7 N.m (62.0 lb in)  .

    6. IMPORTANT: Do not reuse the fuel pipes. If reused, the contaminated pipes may be damaged the injectors or leaked from the pipes.
    IMPORTANT: If new injectors were installed or the injector sequence was changed, reprogram the injectors using scan tool.
  6. Prime the fuel system. Refer to Fuel System Priming .
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