Coolant Air Bleed Pipe Assembly Replacement

Coolant Air Bleed Pipe Assembly Replacement (4.8L, 5.3L, and 6.0L Engines)
Removal Procedure





1. Remove the intake manifold.
2. Remove the coolant air bleed pipe studs (1).
3. Remove the coolant air bleed pipe (2) with gaskets (3).





4. Remove the coolant air bleed pipe cover bolts (1) and covers (2).





5. Remove the gaskets from the coolant air bleed pipe and covers.
6. Discard the gaskets.





7. Remove the coolant air bleed hose (1) from the pipe (2).

Installation Procedure





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

Important: Install the gaskets properly onto the pipe and covers. Position the O-ring seal onto the nipple portion of the pipe.





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





3. Install the coolant air bleed pipe (2) and gaskets (3) onto the cylinder heads.

Notice: Refer to Fastener Notice in Service Precautions.

4. Install the coolant air bleed pipe studs (1).
^ Tighten the coolant air bleed pipe studs to 12 Nm (106 inch lbs.).





5. Install the coolant air bleed pipe covers (2) and bolts (1).
^ Tighten the coolant air bleed pipe cover bolts to 12 Nm (106 inch lbs.).
6. Install the intake manifold.