Coolant, Draining And Filling - Volkswagen Golf 2015 Repair Manual

– Position the Cooling System Tester - VAG1274B- with the
adapter -VAG1274/8- on the coolant expansion tank.
– Generate approximately 1 bar pressure (14.5 psi) using the
cooling system tester hand pump.
– If pressure falls, search for leaks and correct problem.
Pressure Relief Valve in Cap, Checking
– Position the Cooling System Tester - VAG1274B- with the
adapter -VAG1274/9- on the cap.
– Generate pressure with cooling system tester hand pump.
• The pressure release valve must open at 1.6 to 1.8 bar (23.2
to 26.1 psi).
– If pressure relief valve does not open as specified, replace
cap.
1.3

Coolant, Draining and Filling

Special tools and workshop equipment required
♦ Cooling System Tester - Adapter - VAG1274/8-
♦ Hose Clip Pliers - VAS6340-
♦ Cooling System Charge Kit - VAS6096-
♦ Shop Crane - Drip Tray - VAS6208-
♦ Refractometer - T10007A-
♦ Vehicle Diagnostic Tester
♦ Protective Eyewear
♦ Safety Gloves
Draining
CAUTION
The coolant system is under pressure when the engine is warm.
Risk of scalding due to hot steam and hot coolant.
Possibility of burning or scalding the skin and other parts of the
body.
– Wear safety gloves.
– Wear protective eyewear.
– Reduce the pressure: cover the coolant reservoir cap with a
cloth and carefully open.
Engine Mechanical, Fuel Injection and Ignition - Edition 04.2015
Golf 2015 ➤ , Golf Variant 2015 ➤
1. Cooling System/Coolant
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