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Home >> Chevrolet >> 2012 >> Tahoe PPV >> Repair and Diagnosis >> External Pages >> Different car >> Section 1677 (Engine Mechanical - 6.6L (LMM) - Repair Instructions - Off Vehicle (2 Of 3)) >> Exhaust Gas Recirculation Valve Cooler Cleaning and Inspection

Exhaust Gas Recirculation Valve Cooler Cleaning and Inspection

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: EGR Cooling Hoses
    GM1662887Courtesy of GENERAL MOTORS CORP.
  1. Remove the exhaust gas recirculation (EGR) cooling hoses.
  2. Clean and inspect the EGR gasket surfaces.
  3. Clean and inspect the EGR and cooler.
  4. Replace the EGR or cooler if damaged.
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