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. |
| – |
Using hand pump on tester, build up a pressure of approx.
1.0 bar. |
| – |
If this pressure is not maintained, locate and rectify
leaks. |
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| Checking pressure relief valve in filler cap |
| – |
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:
Paint thickness tester -VAS 6197
Designation:
Paint thickness tester -VAS 6197-
Product description
Fully electronic paint thickness tester with 2 independently
functioning probes and liquid crystal display. Measurements are
...
Air duct
Assembly overview - air duct and air
distribution in passenger compartment
The assembly overview for air duct and air distribution is
identical with the respective assembly overview for vehicles
with air conditioning system
→ ...
Safety precautions when working on vehicles with high-voltage system
Risk of death due to high voltage
The high voltage system carries high voltage. Electrical shocks will
cause serious injuries or death.
–
People having electronic medical devices for life support or health
maintenance in or on their bodies are pro ...
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Draining and filling coolant