Installation 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.

Install the coolant air bleed hose (1) onto the pipe (2).

Fig 1: Installing Coolant Air Bleed Hose Onto Pipe (5.3L Engine)
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Install the gaskets properly onto the pipe and covers. Position the O-ring seal onto the nipple portion of the pipe.
Install the gaskets onto the coolant air bleed pipe and covers.

Fig 2: Installing Gaskets Onto Coolant Air Bleed Pipe & Covers (5.3L Engine)
Courtesy of GENERAL MOTORS CORP.
Install the coolant air bleed pipe (1) and gaskets onto the cylinder heads.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the coolant air bleed pipe bolts (2).
Tighten

Tighten the bolts to 12 N.m (106 lb in).

Fig 3: Installing Coolant Air Bleed Pipe & Gaskets Onto Cylinder Heads
Courtesy of GENERAL MOTORS CORP.
Install the coolant air bleed pipe covers (2) and bolts (1).
Tighten

Tighten the bolts to 12 N.m (106 lb in).

Fig 4: Installing Coolant Air Bleed Pipe Covers & Bolts
Courtesy of GENERAL MOTORS CORP.