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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1168 (Engine Controls - 6.0L - Alternative Fuels (Introduction)) >> Repair Instructions >> Fuel Rail Assembly Replacement (KL6) >> Disassembly Procedure

Disassembly Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Fuel Rail Assembly Components
    GM798436Courtesy of GENERAL MOTORS CORP.
  1. Remove the crossover tube (3) rail retainer screws.
  2. Remove the crossover tube.
  3. Remove the CNG injectors (7) from the gasoline fuel injector adapters (6).
  4. Separate the CNG fuel rail from the gasoline fuel rail.
  5. Remove the fuel injector retaining clip.
  6. Remove the injector from the fuel rail with a pulling and twisting motion.
  7. Remove the fuel injector adaptor (6) from the gasoline fuel injector.
  8. Repeat steps 5, 6 and 7 for the remaining fuel injectors.
    9. Fig 2: Identifying CNG Fuel Rail Pressure Sensor
    GM758213Courtesy of GENERAL MOTORS CORP.
  9. Remove the CNG fuel rail pressure sensor or the temperature sensor hold down bolt (6).
  10. Remove the sensor (2) from the fuel rail (4).
  11. Remove and discard any remaining O-rings from the fuel rail.
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