Installation Procedure

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Fig 1: Coolant Air Bleed Hose & Pipe

Courtesy of GENERAL MOTORS CORP.

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

Fig 2: View Of Air Bleed Pipe Sealing Gasket

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 3: Identifying Coolant Air Bleed Pipe And Bolts

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE .

Install the coolant air bleed pipe (2) and gaskets (3) onto the cylinder heads.
Install the coolant air bleed pipe studs (1).
Tighten: Tighten the coolant air bleed pipe studs to 12 N.m (106 lb in).

Fig 4: Air Bleed Pipe Cover Bolts & Covers

Courtesy of GENERAL MOTORS CORP.

Install the coolant air bleed pipe covers (2) and bolts (1).
Tighten: Tighten the coolant air bleed pipe cover bolts to 12 N.m (106 lb in).
Fill the cooling system. Refer to Draining and Filling Cooling System .