WARNING | Steam may escape when expansion tank is opened. Wear eye protection and protective clothing to avoid eye injuries and scalding. Cover cap with cloth and open carefully. |
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| When the engine is warm, the cooling system is under pressure. If necessary, release pressure before beginning repair work. |
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| Secure all hose connections with hose clips which conform to production standard. |
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| Hose clip pliers -V.A.G 1921- or spring-type clip pliers -VAS 5024A- are recommended for installation of spring-type clips. |
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| Renew gaskets and seals. |
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| The arrows on the coolant pipes and on the ends of the hoses must be aligned with each other. |
| Assembly overview - parts of cooling system, engine side → Chapter. |
| Assembly overview - parts of cooling system, body side → Chapter. |
| Removing and installing coolant pump → Chapter. |
| Removing and installing coolant pipes → Chapter |
| Removing and installing thermostat housing with thermostat → Chapter |
| Removing and installing radiator fan -V7- and radiator fan 2 -V177- → Chapter. |
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