| Cooling system components: removing and installing |
Caution | When doing any repair work, especially in the engine compartment, due to the cramped conditions, pay attention to the following: |
| Route all sorts of pipes (e.g. for fuel, hydraulics, activated charcoal filter system, coolant, refrigerant, brake fluid and vacuum pipes and hoses) and electrical wiring so that the original positions are restored on reassembly. |
| Ensure sufficient clearance from all moving or hot components. |
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| When the engine is hot the cooling system is under pressure. If necessary release pressure before commencing repair work. |
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| Hose connections are secured with spring-type clips. When repairing, only use spring-type clips. |
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| To fit spring type clips use pliers -T20029-. |
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| Coolant hoses should be stress-free when installing, so that they do not come into contact with other components (observe markings on coolant connection and hose). |
| Perform cooling system leakage test with cooling system tester -V.A.G 1274- and adapters -V.A.G 1274/8- and -V.A.G 1274/9-. |
| Parts of cooling system, body side → Chapter. |
| Parts of cooling system, engine side → Chapter. |
| Notes on coolant mixture ratios → Chapter, Coolant: draining and filling |
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