Front Coolant Pipe

Front Coolant Pipe

Special tools, testers and auxiliary items required

• Spanner Wrench (3212)

• Hose Clip Pliers (VAS 6362)

Removing

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

- Remove the lock carrier cover - 3 -.






- Remove the bolts - arrows - and air guide - 1 -.






• Ignore - 2 -.

- Remove the left front coolant pipes. Refer to => [ Left Front Coolant Pipes ] Left Front Coolant Pipes.

- Remove the ribbed belt from the Air Conditioning (A/C) compressor. Refer to => [ Ribbed Belt ] Ribbed Belt.

- Remove the bolts - arrows - for the coolant pump ribbed belt pulley using a (3212) to counter hold.






- Remove the bolts and remove the ribbed belt pulley.

- Remove the cylinder head coolant valve (N489) - arrow - from the bracket and move it to the side.






- Remove the front secondary air hose - 1 - from its bracket and disconnect it - 2 -.






- Disconnect the electrical connector - 3 - on the Engine Coolant Temperature (ECT) sensor (G62).






- Open the clamps and remove the coolant hoses - 1 and 4 -.

- Loosen the clamp - 2 - and remove the upper coolant hose.

- Loosen the hose clamp - 5 -.

- Remove the bolts - arrows - and the front coolant pipe.

Installing

Install in reverse order of removal. Note the following:

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

• Replace the gaskets and O-rings.

• Secure all hose connections with hose clamps appropriate for the model, refer to the Parts Catalog.

- Clean or smooth the seal and O-ring sealing surfaces.

- Coat the sealing rings and O-rings with coolant and then mount them on the coolant pipe.

- Connect the coolant hose to the coupling. refer to => [ Connect the Coolant Hose to the Coupling ] Radiator Overview.

- Install the coolant pump ribbed belt pulley. Refer to => [ Coolant Pump and Thermostat Overview ] Coolant Pump and Thermostat Overview.

- Install the ribbed belt. Refer to => [ Ribbed Belt ] Ribbed Belt.

- Install the left front coolant pipes. Refer to => [ Left Front Coolant Pipes ] Left Front Coolant Pipes.

- Install the air guide pipe.

- Install the lock carrier cover.

- Fill with coolant => [ Filling ] Service and Repair.