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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1545 (Engine Cooling System -- 5.7L) >> Repair Instructions >> Coolant Air Bleed Pipe Assembly Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Removal of the intake manifold is NOT required to service the coolant air bleed pipe, but is required to service the coolant air bleed pipe covers and/or gaskets.
    Fig 1: Coolant Air Bleed Pipe, Studs & Gaskets
    GM639608Courtesy of GENERAL MOTORS CORP.
  1. Remove the intake manifold, if required. Refer to Intake Manifold Replacement in Engine Mechanical - 5.7 L.
  2. Remove the coolant air bleed hose from the throttle body, if required.
  3. Remove the coolant air bleed pipe studs (1).
  4. Remove the coolant air bleed pipe (2) with gaskets (3).
  5. Fig 2: Coolant Air Bleed Pipe Covers, Bolts & Gaskets
    GM639609Courtesy of GENERAL MOTORS CORP.
  6. Remove the coolant air bleed pipe cover bolts (1), if required.
  7. Remove the coolant air bleed pipe covers (2) with gaskets (3), if required.
  8. Fig 3: View Of Air Bleed Pipe Sealing Gasket
    GM64262Courtesy of GENERAL MOTORS CORP.
  9. Remove the gaskets from the coolant air bleed pipe and covers. Discard the gaskets.
  10. Fig 4: Coolant Air Bleed Hose & Pipe
    GM639610Courtesy of GENERAL MOTORS CORP.
  11. Remove the coolant air bleed hose (2) from the pipe (1).
  12. Clean and inspect the coolant air bleed pipe. Refer to Coolant Air Bleed Pipe Cleaning and Inspection in Engine Mechanical - 5.7 L.