Removal Procedure

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Cadillac Escalade EXT. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Coolant Air Bleed Pipe And Bolts

Courtesy of GENERAL MOTORS CORP.

Drain the cooling system. Refer to Draining and Filling Cooling System .
Remove the coolant air bleed pipe studs (1).
Remove the coolant air bleed pipe (2) with gaskets (3).

Fig 2: View Of Coolant Air Bleed Pipe Covers & Bolts (4.8L, 5.3L & 6.0L)

Courtesy of GENERAL MOTORS CORP.

Remove the coolant air bleed pipe cover bolts (1) and covers (2).

Fig 3: View Of Air Bleed Pipe Sealing Gasket

Courtesy of GENERAL MOTORS CORP.

Remove the gaskets from the coolant air bleed pipe and covers.
Discard the gaskets.

Fig 4: Coolant Air Bleed Hose & Pipe

Courtesy of GENERAL MOTORS CORP.

Remove the coolant air bleed hose (1) from the pipe (2).