Volkswagen Golf Service & Repair Manual: Checking cooling system for leaks
| Special tools and workshop equipment
required |
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| Cooling system tester -V.A.G 1274 B- |
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| Adapter for cooling system tester -V.A.G 1274/8- |
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| Adapter for cooling system tester -V.A.G 1274/9- |
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Open cap -arrow- on coolant
expansion tank. |
| Engine at operating temperature. |
The cooling system is under pressure when the engine is hot. Hot
steam/hot coolant can escape - risk of scalding. Risk of scalding to
skin and body parts.Wear protective gloves.Wear eye protection.Release
pressure by covering cap of coolant expansion tank with a cloth and
opening it carefully. |
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Fit cooling system tester -V.A.G 1274 B- with adapter -V.A.G 1274/8-
on coolant expansion tank. |
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Using hand pump on tester, build up a pressure of approx.
1.0 bar. |
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If this pressure is not maintained, locate and rectify
leaks. |
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| Checking pressure relief valve in filler cap |
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Place cooling system tester -V.A.G 1274 B- with adapter -V.A.G 1274/9-
on filler cap. |
| – |
Build up pressure using hand pump of cooling system tester. |
| The pressure relief valve must open at a pressure of
1.6…1.8 bar. |
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Special tools and workshop equipment required
Refractometer -T10007 A-
Drip tray for workshop hoist -VAS 6208-
Hose clip pliers -VAS 634 ...
Other materials:
Assembly overview – heater unit
Note
There are different designs and makes of heater. The
individual components of the various heaters are similar but not
identical. The combined fitting of different makes of component
is therefore not permissible
→ Elec ...
Removing and installing wheel bearing unit, torsion beam axle
Special tools and workshop equipment required
Fitting sleeve -3241/4-
Hub grease cap puller -VW 637/2-
Torque wrench -V.A.G 1332-
Tool insert -T10162 A-
Torque wrench -V.A.G 1410-
...
Adjusting the driving mode to suit your requirements
First read and observe the introductory information
and safety warnings The systems that can be adjusted to your individual requirements
depend on the vehicle equipment level.
Switch on the ignition.
If necessary, switch on the infotainment system.
Press the Driving Mode Selec ...
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