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. |
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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 - front door trim
Note
The assembly overview is shown for the front door trim on
driver side. The assembly overview for the front passenger side is
analogous.
The assembly overview is shown for 4-door models. The
assembly overview ...
Removing and installing door inner seal
During production, a sealant is applied to the door inner
seals, which are then placed on the door flange and rolled on.
Note
When removing the seal, the sealant is distributed across the
inside of the seal. The sides are bent upwards ...
Mounting front seat on seat repair stand
Special tools and workshop equipment
required
Torque wrench -V.A.G 1331
Torque wrench -V.A.G 1783
...
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Draining and filling coolant