Small Coolant Pipe
Small Coolant Pipe
Special tools, testers and auxiliary items required
• Hose Clip Pliers (V.A.G 1921)
Removing
- Drain the coolant. Refer to => [ Coolant, Draining and Filling ] Service and Repair.
- Remove the bolts - arrows - and air guide.
- Remove both the lower air guide and the air guide hose.
- Disconnect the connector - 1 - from the Mass Airflow (MAF) sensor (G70).
- Remove the air guide hose - 2 -.
- Remove the bolt - 4 - and the air filter housing.
• Ignore - 3 -.
- Loosen the hose clamp - 2 -.
- Remove the bolt - 4 -.
- Disconnect electrical connector - arrow -.
- Remove the bolt - 1 - and remove the air guide pipe downward.
• Ignore - 3 -.
- Remove the bolts - arrows - and remove the electrical connectors - 1 through 3 - from the bracket.
- Free up the electrical wiring harness on the small coolant pipe - arrow -.
- Remove bolts - 2 and 3 -.
- Disconnect the small coolant pipe from the coolant pump and from the coolant hoses - 1 and 4 -.
Installing
• For the correct tightening specifications, refer to => [ Coolant Pipes Overview ] Coolant Pipes Overview.
Installation is carried out in the reverse order while noting the following:
• The hose supports, air guide pipes and hoses must be free of oil and grease before installing.
• Secure all hose connections with hose clamps of the same type as those equipped by the factory. Refer to the Electronic Parts Catalog (ETKA).
• To mount the charge hoses on their connectors securely, spray the bolts on the used clamps with rust remover before installing.
- Air guides, installing with connector. Refer to => [ Air Guide Pipes and Hoses with Connector Coupling ] Service and Repair
- Fill the coolant system. Refer to => [ Filling: ] Service and Repair.