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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 (KL8) >> Assembly Procedure

Assembly 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 CNG Fuel Rail Pressure Sensor
    GM758213Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Compressed Natural Gas (CNG) O-Ring Caution in Cautions and Notices.
  1. Install the fuel rail pressure or temperature sensor (2) into the fuel rail (4) using new O-rings (3). Lubricate the new O-rings with petroleum jelly.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the fuel rail pressure or temperature sensor hold down (5) and bolt (6).

    Tighten:  Tighten the bolt to 3.8 N.m (34 lb in).

    3. Fig 2: Identifying Fuel Injector Connectors
    GM757006Courtesy of GENERAL MOTORS CORP.
  3. Install the fuel injector (5) into the fuel rail (3, 4) using a new O-ring. Lubricate the new O-ring with petroleum jelly.
  4. Install the fuel injector retainer clip.
  5. Lubricate the new injector tip O-ring with clean engine oil.
  6. Repeat steps 3, 4 and 5 for the remaining fuel injectors.
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