Coolant Air Bleed Pipe Installation

WARNING: This page is about a different car, the 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 Chevrolet TrailBlazer, and 2004 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Air Bleed Pipe Sealing Gasket

Courtesy of GENERAL MOTORS CORP.

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 2: View Of Air Bleed Pipe, Bolts & Gasket

Courtesy of GENERAL MOTORS CORP.

Install the pipe (307) and gaskets (308) onto the cylinder heads.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the pipe bolts (309).
Tighten: Tighten the pipe bolts to 12 N.m (106 lb in).

Fig 3: View Of Engine Coolant Air Bleed Cover, Gasket & Bolts

Courtesy of GENERAL MOTORS CORP.

Install the covers (313), gaskets (308), and bolts (312) onto the rear of the engine.
Tighten: Tighten the cover bolts to 12 N.m (106 lb in).

Fig 4: View Of Engine Coolant Air Bleed Pipe, Hose & Clamps

Courtesy of GENERAL MOTORS CORP.

Install the hose (311) and clamps (310) onto the pipe (307).