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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 976 (Engine Controls - 6.6L (Lb7) (Introduction)) >> Repair Instructions >> Exhaust Gas Recirculation (EGR) Valve Cooler Tube Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the EGR assembly to the EGR cooling tube.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the EGR assembly to EGR cooling tube bolts (1).

    Tighten:  Tighten bolts to 20 N.m (15 lb ft.)

    3. Fig 1: EGR Cooling Tube Bolts
    GM784229Courtesy of GENERAL MOTORS CORP.
  3. Install the EGR assembly.
  4. Install the EGR assembly to the EGR bracket bolts.

    Tighten:  Tighten bolts to 20 N.m (15 lb ft.)

  5. Install the EGR assembly to exhaust pipe nuts.

    Tighten:  Tighten the nuts to 20 N.m (15 lb ft.)

    6. Fig 2: EGR Bracket Bolts & Nuts
    GM784226Courtesy of GENERAL MOTORS CORP.
  6. Install the EGR assembly to intake manifold nuts.

    Tighten:  Tighten nuts to 19 N.m (14 lb ft.)

    7. Fig 3: EGR Assembly To Intake Manifold Nuts
    GM777490Courtesy of GENERAL MOTORS CORP.
  7. Install the EGR outlet cooling hose (1) to the EGR cooling tube (2).
    8. Fig 4: Cooling Tube & EGR Outlet Cooling Hose
    GM784234Courtesy of GENERAL MOTORS CORP.
  8. Install the EGR inlet cooling hose (2) to the EGR cooling tube (1).
    9. Fig 5: Cooling Tube & EGR Inlet Cooling Hose
    GM784238Courtesy of GENERAL MOTORS CORP.
  9. Connect the EGR vacuum hose.
    10. Fig 6: EGR Valve Vacuum Hose
    GM777482Courtesy of GENERAL MOTORS CORP.
  10. Install the intake manifold tube. Refer to Intake Manifold Tube Replacement (Federal Emissions) or Intake Manifold Tube Replacement (California Emissions) in Engine Mechanical - 6.6L.
  11. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  12. Fill the cooling system. Refer to Draining and Filling Cooling System (with HP2) or Draining and Filling Cooling System (without HP2) in Engine Cooling.
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