Upper Coolant Pipe

Upper Coolant Pipe

Removing

- Drain the coolant. Refer to => [ Cooling System, Draining and Filling ] Procedures.

- Remove the supercharger. Refer to => [ Supercharger ] Supercharger.

- Remove the right lower section of the intake manifold.

- Remove the front secondary air hose - arrow - from its bracket and disconnect it; to do this press the release buttons.






- Free up the hose for the secondary air and vacuum hoses and move them to the side.

- Remove the bolts - arrows - and the high pressure line protective plate - 1 -.







There is a risk of injury because the fuel is under very high pressure.

• Reduce the fuel pressure down to residual pressure before opening high pressure area of the fuel injection system.

• To reduce remaining residual pressure, place clean cloth around the connector and carefully loosen connector.

- Reduce fuel pressure in high pressure area.

- Remove the threaded connection - 1 - as well as the union nut - 3 -.






- Remove the bolts - arrows - on the retaining plates and the high pressure line.

• Ignore - 2 -.

• Lay a cloth below the coolant pipe to catch escaping coolant.

- Remove the coolant hose - arrow - from the coolant pipe.






- Remove the bolt - 1 - and pull the coolant pipe down and out of the cylinder block - arrow -.

Installing

Install in reverse order of removal. Note the following:

• Tightening specifications, refer to => [ Coolant Pipes Overview ] Coolant Pipes Overview.

• Replace O-ring.

• During installation, all cable ties must be installed at the same location.

- Clean or smooth O-ring sealing surface before installing.

- Coat the O-ring with coolant and slide it onto the coolant pipe.

- Install the high pressure line.

- Install the right lower section of the intake manifold.

- Install the supercharger. Refer to => [ Supercharger ] Supercharger.

- Fill with coolant => [ Filling ] Procedures.