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How to Replace the Radiator Fluid on a Porsche 911

Model: Porsche 911 991 - Years 2011-2019
Part: Checks and maintenance

Let's see how to top off the radiator fluid (specific cap) on a Porsche 911. First, pull the plastic lever located at the bottom left of the dashboard (if present), lift the rear hood, and secure it. Next, locate the cap for the coolant reservoir and remove it by hand (as shown in the video). After unscrewing the plastic cap on the neck of the reservoir, use a funnel to add the fluid. Finally, screw the cap back on the reservoir and close the hood after maintenance.

Updated on 6 March 2026 by ScegliAuto

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