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Home >> Volkswagen >> 2021 >> ID.4 Pro, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 117 (Cooling System) >> 19 Cooling System >> Cooling System/Coolant >> Cooling System, Checking For Leaks >> Check the for leaks.
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Check the for leaks.

WARNING: This page is about a different car, the 2023 Volkswagen Arteon. However, it is still accessible from the selected car via links, so may be relevant.

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

-- Observe the pressure on the pressure gauge of the cooling system tester for 30 seconds.

If no pressure is built or the pressure decreases, then the cooling system tester must not be used.

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