Engine Coolant Air Bleed Pipe Installation Two Point Pipe

Important: Install the pipe gaskets properly onto the pipe and covers.

Position the gasket O-ring seal onto the nipple portion of the pipe.
1. Install the gaskets onto the engine coolant air bleed pipe and covers.



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

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

3. Install the pipe studs (1).

Install the two pipe studs to the front of the engine.

Tighten
Tighten the pipe studs to 12 N·m (106 lb in).




4. Install the covers (2), gaskets (3), and bolts (1) onto the rear of the engine.

Tighten
Tighten the cover bolts to 12 N·m (106 lb in).




5. Install the hose and clamp (1) onto the pipe (2).

Engine Coolant Air Bleed Pipe Installation Four Point Pipe

1. Install the gaskets onto the engine coolant air bleed pipe.

Position the gasket O-ring seal onto the nipple portion of the pipe.





Important: Route the knock sensor wire harness over the top of the pipe. The pipe and knock sensor wire harness should be installed in a manner as to allow the removal of the wire harness without requiring the removal of the pipe.

2. Install the engine coolant air bleed pipe and gaskets onto the cylinder heads.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

3. Install the pipe bolts.

Tighten
Tighten the pipe bolts to 12 N·m (106 lb in).




4. Install the hose and clamp (2) onto the pipe (1).