Installation Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Coolant Air Bleed Pipe Seal

Courtesy of GENERAL MOTORS CORP.

NOTE: Position the O-ring seal (308) onto the nipple portion of the pipe.

Install the seals onto the coolant air bleed pipe and/or covers.

Fig 2: Removing/Installing Engine Coolant Air Bleed Pipe

Courtesy of GENERAL MOTORS CORP.

Install the coolant air bleed pipe (307) and seals (308) onto the cylinder heads.

CAUTION: Refer to Fastener Caution .

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

Fig 3: Removing/Installing Coolant Air Bleed Cover Bolts

Courtesy of GENERAL MOTORS CORP.

Install the coolant air bleed covers (313) and seals (308), if required.
Install the coolant air bleed cover bolts (312), if required.
Tighten: Tighten the bolts to 12 N.m (106 lb in).

Fig 4: View Of Radiator Vent Inlet Hose & Clamps

Courtesy of GENERAL MOTORS CORP.

Install the radiator vent inlet hose (2) to the coolant air bleed pipe fitting.
Position the radiator vent inlet hose clamp (1) at the coolant air bleed pipe fitting.
Install the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
Fill the cooling system. Refer to Cooling System Draining and Filling (Vac-N-Fill) or Cooling System Draining and Filling (Static Fill) .
If the rear coolant air bleed covers were replaced, install the intake manifold. Refer to Intake Manifold Replacement (LY2 and LY6) .