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Home >> GMC >> 2004 >> Sierra 2500, 4D Pickup, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls - 4.3L (Introduction)) >> Repair Instructions >> Fuel Injector Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: When ordering new fuel injectors, be sure to order the correct injector for the application being serviced.
  1. Lubricate the NEW injector O-ring seals with clean engine oil.
  2. Install the fuel injector (3) into the fuel meter body injector socket.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the injector retainer (4) and the injector retainer lock nuts (2).

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

    4. Fig 1: View Of Fuel Meter Body Assembly Components
    GM821586Courtesy of GENERAL MOTORS CORP.
  4. Install the fuel meter body. Refer to Fuel Meter Body Assembly Replacement .
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