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Home >> Volkswagen >> 2023 >> ID.4 S >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (Cooling System) >> 19 Cooling System >> Cooling System/Coolant >> Cooling System, Checking For Leaks >> Checking for leaks using Cooling System Tester -V.A.G 1274B-

Checking for leaks using Cooling System Tester -V.A.G 1274B-

WARNING: This page is about a different car, the 2022 Volkswagen ID.4 and 2021 Volkswagen ID.4. However, it is still accessible from the selected car via links, so may be relevant.

-- Operate the hand pump multiple times to acquire a pressure of 3.0 bar (43.51 psi).

-- Watch the pressure at the pressure gauge from the cooling system tester for 30 seconds.

If there is no pressure built up or if it drops afterwards, the cooling system tester may not be used.

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