Coolant Line/Hose: Service and Repair
Coolant Pipes
Special tools, testers and auxiliary items required
• Spring type clip pliers (VAS 5024A)
Removing
- Remove the engine cover/upper air filter housing. Refer to => [ Engine Cover/Upper Air Filter Housing ] Engine Cover/Upper Air Filter Housing.
- Remove the pipe - A - and hose - B - bolts - arrows -.
- Remove the intake air guide with the coolant fans. Refer to => [ Coolant Fan and Coolant Fan 2 ] Service and Repair.
- Disconnect the electrical connector from the charge air pressure sensor - 3 -.
- Remove the charge air pipe bolts - 2 and 4 -.
- Loosen the clamp - 1 -, disconnect the quick release coupling on the charge air cooler and remove the charge air pipe with the hose downward.
- Drain the cooling system. Refer to => [ Draining and Filling ] Draining and Filling.
- Disconnect the electrical connectors - arrow -.
- Disconnect the coolant hoses - arrows - from the coolant pipes.
- Disconnect the hose - A - and remove the bolt - B -. Remove the front coolant pipe.
- Remove the electrical connector - A - from the bracket, disconnect the hose - B - and remove the bolts - C -. Remove the rear coolant pipe.
Installing
Installation is performed in reverse order.
- Tighten the coolant pipe bolts.
• Tightening specification: 5 Nm.