Front Coolant Pipe
Front Coolant Pipe
Special tools, testers and auxiliary items required
• Hose Clip Pliers (VAS 6362)
Removing
- Drain the high temperature coolant circuit. Refer to => [ Draining and Filling, High Temperature Coolant Circuit ] Draining and Filling, High Temperature Coolant Circuit.
- Remove the ribbed belt. Refer to => [ Ribbed Belt ] Ribbed Belt.
- Remove the left front coolant pipes. Refer to => [ Coolant Pipes ] Coolant Pipes.
- Remove the coolant hose - arrow - from the front coolant pipe by lifting the retaining clamp.
- Squeeze the locking mechanism - arrows - and remove the coolant regulation valve - 1 -.
- Remove the secondary air hose - 1 - and the coolant hose - arrow -.
- Loosen the clamp - 1 - and disconnect the connector - 2 - from the engine coolant temperature sensor.
- Remove the bolt - 3 - and the bolts - arrows -.
- Move the pipe forward, pull up and remove it from the engine
Installing
- Clean or smooth the O-rings sealing surface before installing.
- Replace seals and O-rings.
- Lubricate the seals and O-rings with coolant and then install them on the coolant pipe.
Further installation is performed in reverse order of removal, noting the following:
• For the correct tightening specifications, refer to => [ Coolant Pipes Overview ] Coolant Pipes Overview.
• Secure all hose connections with hose clamps that are specific to that model. Refer to the Parts Catalog.
• Install the ribbed belt. Refer to => [ Ribbed Belt ] Ribbed Belt.
• Fill the high temperature coolant circuit. Refer to => [ Draining and Filling, High Temperature Coolant Circuit ] Draining and Filling, High Temperature Coolant Circuit.