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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1284 (Engine Cooling System) >> Repair Instructions >> Engine Coolant Air Bleed Pipe Replacement (L76, L92, LFA, LH6, LMG, LY5,) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 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. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
  2. Drain the cooling system. Refer to Cooling System Draining and Filling (Vac-N-Fill)  or Cooling System Draining and Filling (Static Fill) .
  3. Reposition the radiator vent inlet hose clamp (1) at the coolant air bleed pipe fitting.
  4. Remove the radiator vent inlet hose (2) from the coolant air bleed pipe fitting.
    5. Fig 2: Engine Coolant Air Bleed Pipe
    GM1401993Courtesy of GENERAL MOTORS CORP.
  5. Remove the coolant air bleed pipe bolts (309) (intake manifold shown removed for clarity).
  6. Remove the coolant air bleed pipe (307) and seals (308).
    7. Fig 3: Engine Coolant Air Bleed Cover Bolts
    GM1402001Courtesy of GENERAL MOTORS CORP.
  7. Remove the coolant air bleed cover bolts (312), if required.
  8. Discard the seals.
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