LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2004 >> Astro Van Cargo, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 4.3L - Introduction >> Repair Instructions >> Fuel Injector Replacement >> Installation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

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 .
scientia non olet · About LEMON Manuals