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Volkswagen Golf Service & Repair Manual: Safety precautions when working on the cooling system

Volkswagen Golf Service & Repair Manual / Auxiliary heater / Technical data / Safety instructions / Safety precautions when working on the cooling system

Risk of scalding by hot coolant
When the engine is warm, the cooling system is under pressure. Danger of scalding due to steam and hot coolant.
–  Always wear safety gloves.
–  Always wear safety goggles.
–  Proceed as follows to release the pressure: cover the cap of the coolant expansion tank with a cloth, and open it carefully.
 
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Safety precautions when using testers and measuring instruments during a road test
Risk of injury through insecure testing and measuring instruments When the front passenger airbag is triggered in an accident, insufficiently secured testing and measuring inst ...

Other materials:

Charging battery in maintenance mode with battery charger -VAS 5903-
  Note When a battery is being charged in the maintenance mode and an electrical consumer draws current from the battery, the battery charger -VAS 5903- automatically compensates the charge. The maintenance mode can be ...

Switching off auxiliary and supplementary heater
If the button instant heat button has been pressed, or after the preset operating time has expired or the coolant has reached a temperature of 88° C, the combustion is ended and the run-on mode begins. The circulation pump -V55- and the combustion air ...

Preparatory measures for calibration
Extensive preliminary work is required before the actual calibration can be carried out using → Vehicle diagnostic tester. Prerequisites: Position vehicle on a firm and level surface. ...

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