Volkswagen Golf Service & Repair Manual: Checking cooling system for leaks
| Special tools and workshop equipment
required |
|
|
|
| Cooling system tester -V.A.G 1274 B- |
|
|
|
| Adapter for cooling system tester -V.A.G 1274/8- |
|
|
|
| Adapter for cooling system tester -V.A.G 1274/9- |
|
|
|
| – |
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. |
|
|
| – |
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. |
|
|
|
| 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. |
|
|
|
Special tools and workshop equipment required
Refractometer -T10007 A-
Drip tray for workshop hoist -VAS 6208-
Hose clip pliers -VAS 634 ...
Other materials:
Run-flat tyres, structure and identification of a SST tyre
Removing and fitting run-flat tyres
→ Chapter.
If run-flat tyres are used, a Tyre Pressure Monitor display
must be fitted.
Damage to the tyre and the resulting pressure loss cannot be
detected with the n ...
System limits
First read and observe the introductory information
and safety warnings The area monitoring system (Front Assist) has physical
and system-related limits. The driver may therefore feel that, in certain circumstances,
some Front Assist reactions occur unexpectedly or with a delay. You should t ...
Removing and installing rear bumper aerial for entry and start system -R136-
Removing
–
Remove bumper cover
→ General body repairs, exterior; Rep. gr.63.
–
Lift areal -1- slightly in
direction of arrow -A-.
...
© 2016-2021 Copyright www.vwgolf.org
Draining and filling coolant