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Home >> Buick >> 2009 >> Lucerne Super >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.6L - Introduction >> Repair Instructions >> Fuel Injector Replacement >> Removal Procedure

Removal Procedure

NOTE: If the fuel injectors are leaking, the engine oil may be contaminated with fuel.
    Fig 1: View Of Fuel Rail & Injectors
    GM1672192Courtesy of GENERAL MOTORS CORP.
  1. Remove the fuel rail. Refer to Fuel Injection Fuel Rail Assembly Replacement .
  2. Remove the fuel injector fuel rail clip (1).
  3. Remove the fuel injector (3).
  4. Remove and discard the fuel injector upper (2) and lower (4) O-ring seals.
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