Coolant Air Bleed Pipe Installation

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Install the pipe gaskets properly onto the pipe and covers.

Position the gasket O-ring seal onto the nipple portion of the pipe.

Install the gaskets onto the engine coolant air bleed pipe and covers.

Fig 1: Installing Gaskets
Courtesy of GENERAL MOTORS CORP.
Install the pipe (2) and gaskets (3) onto the cylinder heads.
NOTE: Refer to FASTENER NOTICE .
Install the pipe bolts (1).
Install the two pipe studs to the front of the engine.

Tighten

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

Fig 2: Installing Pipe, Bolts & Gaskets
Courtesy of GENERAL MOTORS CORP.
Install the covers (2), gaskets (3), and bolts (1) onto the rear of the engine.
Tighten

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

Fig 3: Installing Covers, Gaskets & Bolts
Courtesy of GENERAL MOTORS CORP.
Install the hose and clamp (1) onto the pipe (2).

Fig 4: Install Hose Clamp & Pipe
Courtesy of GENERAL MOTORS CORP.