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Home >> Chevrolet >> 2004 >> Impala SS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System 3.8L (Introduction) >> Repair Instructions >> Fuel Injector Replacement >> Removal Procedure
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Removal Procedure

IMPORTANT: The fuel injector is serviced as a complete assembly only. If the fuel injectors are found to be leaking, the engine oil may be contaminated with fuel. Fuel injector O-rings should always be replaced whenever fuel injectors are serviced.
  1. Remove the fuel rail. Refer to Fuel Rail Assembly Replacement (L36)  or Fuel Rail Assembly Replacement (L67) .
  2. Remove the fuel injector retaining clip (1).
  3. Remove the fuel injector (3).
  4. Remove the fuel injector upper O-ring (2).
  5. Remove the fuel injector lower O-ring (4).
  6. Fig 1: Fuel Injector Components
    GM751184Courtesy of GENERAL MOTORS CORP.