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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1539 (Engine Cooling System - Non-Hybrid) >> Repair Instructions >> Exhaust Gas Recirculation Coolant Hoses/Pipes Replacement >> Removal Procedure

Removal Procedure

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: Exhaust Gas Recirculation Coolant Hoses/Pipes
    GM2365550Courtesy of GENERAL MOTORS CORP.
    WARNING: To avoid being burned, do not remove the radiator cap or surge tank cap while the engine is hot. The cooling system will release scalding fluid and steam under pressure if radiator cap or surge tank cap is removed while the engine and radiator are still hot.
  1. Drain the cooling system. Refer to Cooling System Draining and Filling (Vac-N-Fill)  or Cooling System Draining and Filling (Static Fill) .
  2. Reposition the EGR cooler pipe clamp and remove the EGR cooler pipe hose (4) from the EGR cooler tube.
    3. Fig 2: Upper EGR Cooler Pipe And Bolt
    GM2365574Courtesy of GENERAL MOTORS CORP.
  3. Remove the upper EGR cooler pipe bolt (2).
  4. Remove the lower EGR cooler pipe bolt (1).
  5. Remove the EGR cooler pipe from the engine.
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