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Home >> Chevrolet >> 2004 >> S10 Pickup >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Engine Controls - 4.3L - Introduction) >> Repair Instructions >> Fuel Injector Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Safari and 2004 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Each injector is calibrated for a specific flow rate. Order the correct injector for the application being serviced when replacing the fuel injectors.
  1. Lubricate the O-ring seals with engine oil on the new fuel injector assembly (3).
  2. Install the fuel injector assembly (3) into the fuel meter body (1).
    Fig 1: Expanded View Of Fuel Meter Body Assembly
    GM830261Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the injector assembly retainer (4) and the injector retainer lock nuts (2).

    Tighten:  Tighten the injector retainer lock nuts to 3 N.m (27 lb in).

  4. Install the fuel meter body assembly. Refer to Fuel Meter Body Assembly Replacement .
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