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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 >> Exhaust Gas Recirculation (EGR) Cooler Cleaning and Inspection

Exhaust Gas Recirculation (EGR) Cooler Cleaning and Inspection

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  1. Remove the EGR cooling hoses.
  2. Clean and inspect the EGR gasket surfaces.
  3. Clean and inspect the EGR and cooler.
    4. Fig 1: View Of EGR Cooler Inspection Areas
    GM1397832Courtesy of GENERAL MOTORS CORP.
  4. Replace the EGR or cooler if damaged.
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