Persistent Coolant Loss Due to Small Leak at Coolant Reservoir: Porsche 911 Engine & Powertrain

Problem overview

A small leak in the coolant reservoir can cause persistent coolant loss. To ensure engine longevity, coolant loss and overheating issues need to be resolved. Out technicians tell us the proper coolant fill procedure must be followed when refiling the cooling system.

18 people reported this problem

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Porsche 911 vehicles with this problem

Average mileage: 74,600 miles

(4,000 - 120,000)

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Persistent Coolant Loss Due to Small Leak at Coolant Reservoir on Porsche 911

Problem overview

Porsche 911 vehicles with this problem

Need a diagnosis? Trust our Porsche experts.

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Ask our experts about your Porsche.