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How to Unscrew the Coolant Reservoir Cap on Golf 4

Model: Volkswagen Golf Golf IV, Golf 4, MK 4 - Years: 1997, 1998, 1999, 2000, 2001, 2002, 2003
Part: Checks and maintenance

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Video tutorial

How to unscrew the cap of the coolant reservoir on the Golf 4? Let's see how to do it. Pull the plastic lever located at the bottom left of the dashboard, lift the front bonnet and secure it with the metal prop rod. Locate the cap of the coolant reservoir (located on the left).

Unscrew the cap on top of the reservoir, top up the radiator fluid using a funnel, and close the reservoir cap. Close the engine bonnet at the end of the maintenance.

Test the correct operation of the radiator circuit by starting the engine.


Updated on 20 March 2026 by ScegliAuto


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