Caution
Observe the following points during all installation work, in particular in the engine compartment, due to the space limitations: Route all the various lines (e.g. for fuel, hydraulics, activated charcoal filter system, coolant and refrigerant, brake fluid and vacuum) and electrical wiring in their original positions. To avoid damaging lines, make sure there is sufficient clearance to all moving or hot components. Note
Cooling system is pressurized when engine is warm. If necessary, release pressure before carrying out repairs. Hose connections are secured with spring-type clips. In case of repair, only use spring-type clips. Hose clip pliers - VAS 6340- or spring-type clip pliers - VAS 5024A- are recommended for use in installing spring-type clips. When installing coolant hoses, route stress-free so that they do not come into contact with other components (observe markings on coolant connection and hose). Test for leaks in cooling system using cooling system tester - V.A.G 1274 B- and adapter for cooling system tester - V.A.G 1274/8- and adapter for cooling system tester - V.A.G 1274/9-.
⇒ 1.1 Coolant hose schematic diagram (Golf Plus, Eos, Scirocco, Golf, Touran, Polo, Golf Cabriolet)
⇒ 1.6 Draining and filling coolant (Polo)
⇒ 1.9 Checking cooling system for leaks (Polo, Touran, Golf Plus, Eos, Scirocco, Golf, Golf Cabriolet)