Removal Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Remove the coolant air bleed pipe bolts (2).
Remove the coolant air bleed pipe (1) with gaskets.

Fig 1: Removing Coolant Air Bleed Pipe With Gaskets (5.3L Engine)
Courtesy of GENERAL MOTORS CORP.
Remove the coolant air bleed pipe cover bolts (1) and covers (2).

Fig 2: Removing Coolant Air Bleed Pipe Cover Bolts & Covers (5.3L Engine)
Courtesy of GENERAL MOTORS CORP.
Remove the gaskets from the coolant air bleed pipe and covers.
Discard the gaskets.

Fig 3: Removing Gaskets From Coolant Air Bleed Pipe & Covers (5.3L Engine)
Courtesy of GENERAL MOTORS CORP.
Remove the coolant air bleed hose (1) from the pipe (2).

Fig 4: Removing Coolant Air Bleed Hose From Pipe (5.3L Engine)
Courtesy of GENERAL MOTORS CORP.