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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 >> Engine Coolant Air Bleed Pipe Replacement (without AFM) >> 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: View Of Radiator Vent Inlet Hose & Clamps
    GM1699347Courtesy of GENERAL MOTORS CORP.
  1. If replacing the rear coolant air bleed covers, remove the intake manifold. Refer to Intake Manifold Replacement (Without AFM) or Intake Manifold Replacement (With AFM) . Otherwise proceed to the next step.
  2. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
  3. Drain the cooling system. Refer to Cooling System Draining and Filling (Vac-N-Fill)  or Cooling System Draining and Filling (Static Fill) .
  4. Reposition the radiator vent inlet hose clamp (1) at the coolant air bleed pipe fitting.
  5. Remove the radiator vent inlet hose (2) from the coolant air bleed pipe fitting.
    6. Fig 2: Removing/Installing Engine Coolant Air Bleed Pipe
    GM1403313Courtesy of GENERAL MOTORS CORP.
  6. Remove the coolant air bleed pipe bolts (309) (intake manifold shown removed for clarity).
  7. Remove the coolant air bleed pipe (307) and seals (308).
    8. Fig 3: Removing/Installing Coolant Air Bleed Cover Bolts
    GM1403314Courtesy of GENERAL MOTORS CORP.
  8. Remove the coolant air bleed cover bolts (312), if required.
  9. Remove the coolant air bleed covers (313) and seals (308), if required.
    10. Fig 4: View Of Coolant Air Bleed Pipe Seal
    GM1552485Courtesy of GENERAL MOTORS CORP.
  10. Remove the seals (308) from the coolant air bleed pipe and/or covers.
  11. Discard the seals.
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