Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. 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: Coolant Air Bleed Hose & Pipe

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: View Of Air Bleed Pipe Sealing Gasket

Courtesy of GENERAL MOTORS CORP.

Install the coolant air bleed pipe (2) and gaskets (3) onto the cylinder heads.
NOTE: Refer to Fastener Notice in Cautions and Notices.
Install the coolant air bleed pipe bolts/studs (1).
Tighten: Tighten the bolts/studs to 12 N.m (106 lb in).

Fig 3: Identifying Coolant Air Bleed Pipe And Bolts

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: View Of Coolant Air Bleed Pipe Cover Bolts & Covers

Courtesy of GENERAL MOTORS CORP.

Fill the cooling system. Refer to Draining and Filling Cooling System (with HP2) or Draining and Filling Cooling System (without HP2) .