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Home >> Chevrolet >> 2004 >> Chevy Express G2500, Van Cargo Extended, 4.3 X, 4L60E/M30 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.3L (Introduction) >> Repair Instructions >> Exhaust Gas Recirculation (EGR) Pipe Replacement >> Installation Procedure

Installation Procedure

    Fig 1: View Of EGR Pipe
    GM486681Courtesy of GENERAL MOTORS CORP.
  1. Install the EGR pipe in the proper location and start the pipe fittings by hand. Do not fully tighten at this step.
  2. Ensure that the EGR pipe fittings are correctly lined up on the adaptors to the exhaust and the intake manifolds.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Tighten the EGR pipe fittings to the intake manifold and the exhaust manifold.

    Tighten: 

    • Tighten the fitting to the intake manifold to 25 N.m (18 lb ft).
    • Tighten the fitting to the exhaust manifold to 30 N.m (22 lb ft).

  4. Install the retaining fastener to the EGR pipe bracket.

    Tighten:  Tighten the fastener to 25 N.m (18 lb ft).

  5. Install the engine cover. Refer to Engine Cover Replacement in Interior Trim.
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