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How to Check and Top Up Fluids in the Citroen C4

Model: Citroen C4 MK 1 - Years: 2004, 2005, 2006, 2007, 2008, 2009, 2010
Part: Checks and maintenance

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Video tutorial

This video tutorial will explain how to check the fluids in the Citroen C4; this operation is not only very simple but also essential for the proper functioning of the vehicle. Start by opening the bonnet of the C4 and check the engine oil level first.

To perform this operation, the car must be off for at least a few minutes. Remove the oil dipstick from its casing and wipe it with a cloth, then reinsert it and remove it again.

The level is considered optimal when it is between the minimum and maximum marks. If you notice the level is too low, add oil by unscrewing the cap next to the dipstick cap. Near the engine is the coolant reservoir; the same rule applies that the level must be between the minimum and maximum.

On the right side of the engine is the brake fluid, which should be checked often as a low level can damage the brake pads. The windscreen washer fluid reservoir is located just below the coolant reservoir.

This should also be checked as it allows you to clean the windscreen for optimal visibility of the road.


Updated on 2 September 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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