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Home >> Hummer >> 2008 >> H3 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 281 (Engine Control System & Fuel System - 3.7L - Introduction, Service & Repair) >> Repair Instructions >> Fuel Injection Fuel Rail Assembly Replacement >> Assembly Procedure

Assembly Procedure

WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Fuel Injector Harness Clips and Upper O-Ring Seals
    GM1772115Courtesy of GENERAL MOTORS CORP.
  1. Lightly lubricate the NEW upper O-ring seals (3) with mineral oil GM P/N 9981704.
  2. Install the NEW upper O-ring seals (3) onto the fuel injectors.
  3. Install the fuel injectors (4).
  4. Install the fuel injector retainers (2).
  5. Position the harness (1) and install the fuel injector harness clips to the fuel rail.
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