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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1020 (Engine Mechanical - 6.6L (LLY)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> EGR and Cooler Installation

EGR and Cooler Installation

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 intake manifold tube.
    2. Fig 1: View Of Intake Manifold Tube
    GM1335575Courtesy of GENERAL MOTORS CORP.
  2. Install the EGR cooler bracket.
    3. Fig 2: View Of EGR Cooler Bracket Bolts
    GM1335574Courtesy of GENERAL MOTORS CORP.
  3. Install the EGR cooler bracket bolts.

    Tighten:  Tighten the EGR cooler bracket bolts to 25 N.m (18 lb ft).

  4. Install the EGR and cooler.
    5. Fig 3: View Of EGR & Cooler
    GM1335573Courtesy of GENERAL MOTORS CORP.
  5. Install the EGR mount bolt.

    Tighten:  Tighten the EGR mount bolt to 50 N.m (37 lb ft).

    6. Fig 4: View Of EGR Mount Bolt
    GM1335571Courtesy of GENERAL MOTORS CORP.
  6. Install the rear EGR cooler bolts.

    Tighten:  Tighten the rear EGR cooler bolts to 25 N.m (18 lb ft).

    7. Fig 5: View Of Rear EGR Cooler Bolts
    GM1335568Courtesy of GENERAL MOTORS CORP.
  7. Install the air inlet tube.
    8. Fig 6: View Of Air Inlet Tube
    GM1335564Courtesy of GENERAL MOTORS CORP.
  8. Install the air inlet tube nuts.

    Tighten:  Tighten the air inlet tube nuts to 25 N.m (18 lb ft).

  9. Install the air inlet tube to intake manifold tube bolt and nut.

    Tighten:  Tighten the air inlet tube to intake manifold tube bolt and nut to 25 N.m (18 lb ft).

    10. Fig 7: View Of Air Inlet Tube To Intake Manifold Tube
    GM1335562Courtesy of GENERAL MOTORS CORP.
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