WARNING | When doing any repair work, especially in the engine compartment,
pay attention to the following due to the cramped conditions: |
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| Route all the various lines and electrical wiring so that they
are in their original positions. |
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| e.g. for fuel, hydraulics, activated charcoal filter system,
coolant and refrigerant, brake fluid, vacuum. |
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| Ensure that there is sufficient clearance to all moving or
hot components. |
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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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| Hoses are secured with spring-type clips. In case of repair,
only use spring-type clips. |
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| Spring-type clip pliers -VAS 6362- or hose clip pliers -VAS 6340- are recommended
for installation of spring-type clips. |
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| 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/- and adapter for expansion
tank -V.A.G 1274/8- and adapter for sealing
cap -V.A.G 1274/9-. |
| Assembly overview - parts of cooling system,
body side → Chapter. |
| Assembly overview - air ducting with radiator fan -V7- → Chapter |
| Assembly overview - parts of cooling system,
engine side → Chapter |
| Assembly overview - coolant pump and 4/2-way
valve with thermostat → Chapter |
| Removing and installing 4/2-way valve with thermostat → Chapter. |
| Removing and installing cowling with radiator fan -V7- → Chapter |
| Removing and installing coolant temperature
sender -G62- → Chapter |
| Radiator outlet coolant temperature
sender -G83- → Chapter |
| Removing and installing coolant circulation
pump 2 -V178- → Chapter |
| Removing and installing coolant pump → Chapter. |
| Removing and installing front coolant pipe → Chapter |
| Removing and installing right coolant pipes → Chapter |
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