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How to Perform an Automatic Gearbox Flush on the Citroen C5

Model: Citroen C5 MK 2, RD, X7 - Years 2008-2017
Part: Transmission

Performing an automatic gearbox flush and oil change on the Citroen C5 is a relatively simple task that can be done independently with a bit of patience and time. Start by lifting the car to remove the drain plug to allow the oil to flow out, then add the coolant additive for the automatic gearbox. While continuing to drain the gearbox oil, prepare the specific fittings for the oil change. Add the new oil and the antibacterial agent to protect the automatic gearbox, then close the plug. Get out of the car and test it on the road.

Updated on 1 September 2026 by ScegliAuto

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