You have noticed that your Ford C-max is taking on water, but it is often difficult to identify the source of the leak.

However, this can be annoying because cars have more and more electronic elements, therefore water could damage these systems. In addition, the presence of humidity in your Ford C-max can create mold in your vehicle which can be harmful to your health and prematurely damage the interior of your Ford C-max (rust, etc.)




Note: If you have been the victim of heavy rains which have submerged your vehicle, in this case it will be recognized as irreparable when the water has reached the height of the seats. Otherwise in other cases the insurance companies will ask to carry out repairs on your Ford C-max.




Indeed, there are various reasons for water to enter your automobile. With this article we will help you first to identify the symptoms of water infiltration in your Ford C-max . Then in a second step we will direct you to the possible causes of water infiltration in your Ford C-max . Finally we will suggest you solutions to repair the infiltration in your Ford C-max.

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Identify the symptoms of water infiltration in your Ford C-max

To understand the source of the infiltrations in your Ford C-max, you must first of all examine the clues.


The climatic conditions in which you use your Ford C-max

To begin with, it is important to identify whether the leak has formed as a result of bad weather. Indeed, if there has been no rain in the days preceding the degradation, in this case this often implies that it comes from the mechanism of your Ford C-max.

So there will surely be a component to change or repair. We will help you find out later what may be the cause.


The smell of liquid entering your Ford C-max

Try to identify the smell of liquid coming from the leak. If it smells like mold, it means it's water. But it can also have an industrial liquid smell like that of windshield washer fluid.
Also check if the fluid is bubbling this can be a good indicator to identify if the leak is coming from the radiator.


The place to infiltrate your Ford C-max

Finally, distinguish whether the infiltrated liquid is on the driver's or passenger's side or at the rear of your vehicle. This will help locate the possible causes of the leak in your Ford C-max.

The possible causes of the infiltration in your Ford C-max

There are three main types of problems caused by fluid getting inside your Ford C-max.

The drain gutters on your Ford C-max are clogged

As for your house when the gutters of your vehicle are clogged in this case this will prevent the water from draining well during bad weather and thus generate water infiltration.
To understand if your problem comes from there.

Look around the windshield, when the windshield bay is full of leaves in this case it is a good indicator. Or if your water infiltration problem is in the trunk, you can check if when you open it the upper part is also covered with plants in this case this could be the source of your problem.


In this situation, the fluid entering your vehicle should be cold water and may be in different places depending on the clogged gutter.

A sealing problem on your Ford C-max

You realize that the vehicle is taking in water through the openings: door, window, windshield… In this case, it may be due to a sealing problem.

It is important to know that your Ford C-max includes a large number of seals in order to prevent problems of infiltration.
However, with wear and tear, differences in weather (hot cold), the rubber of the latter tends to be damaged, it becomes more rigid, cracks and therefore can cause rainwater infiltration inside of your Ford C-max.


Then you must identify that the liquid is cold water and is at the level of the openings. Also in this case you will quickly notice the damaged seals.

An internal leak on your Ford C-max

The last possibility is a leak in your Ford C-max. This turns out to be more annoying because you will most often have to go to a garage to correct the problem.

The liquid has a peculiar smell

In this case it may come from a bad connection of the pipes intended for the washer fluid. To make sure the problem is there, turn on your windshield wipers. If the latter does not deliver a lot of liquid and you observe at your rear shelf or around the dashboard of the liquid in this case it is possible that the intended pipe is poorly connected.

The liquid has no smell but it is hot

Then if you observe that the liquid is bubbling in this situation it often implies that the leak comes from the radiator.

Liquid is coming out of the ventilation of my Ford C-max

Finally if you observe fine drops on the vents of your Ford C-max in this case the problem is caused by poor evacuation of the condensation from the air conditioning.
You have the possibility to check the problem when you turn on the air conditioning (the drops appear) and turn off the air conditioning (wait a little while and the drops do not reappear) on your Ford C-max.

Solutions to repair infiltrations in your Ford C-max

Once you have been able to make an observation why your Ford C-max is taking on water, we will help you to correct this problem.

How to unclog the gutters of my Ford C-max


In order to avoid new water infiltration in your Ford C-max, we recommend that each season give a shot of water with a strong flow (karcher), to remove all the plants. This will allow water to drain away in future bad weather. So it will not infiltrate your vehicle. This is important in the fall with the leaves falling and in the spring with the pollen.

How to change the door seals on my Ford C-max


In the event that the seals of your Ford C-max turn out to be too damaged and cause infiltration in your car, we will advise you on various things.


Depending on the range, the joints can be glued or clipped.

  • A first solution can be to re-glue part of the damaged seal with windshield glue. To do this, clean the part properly before gluing. Apply the glue properly, then close the door of your vehicle for 1 hour so that the glue sets well.

  • Another solution is to replace the gasket yourself. In this case, be sure to order a seal with a rubber with a good value for money, otherwise it will deteriorate faster and create new infiltrations. In this situation, in order to be able to replace the door seal, it is generally necessary to unclip the plastic part positioned near the seat. Once removed you will just have to unclip the gasket. Clean the support then re-clip the new gasket. Remember to connect the 2 ends well by fitting the longer part into the shorter part. Then reattach the plastic support.

Finally, we recommend that you frequently maintain the seals of your Ford C-max. To do this, it is very easy to apply vegetable glycerin using a brush on all the joints of your Ford C-max. This technique is safe for you because it is a natural product, and it will not damage your vehicle's paint.

How to fix an internal leak in my Ford C-max


Finally, in the event that the leak comes from an element of your Ford C-max. Whether it is the radiator, air conditioning or other, we recommend that you go to a garage. In fact, to reach the parts to be repaired, handling is difficult without the right equipment.

Particularly because it is often necessary to disassemble certain parts. But also the mechanic will sometimes also diagnose if this has caused other internal problems on your Ford C-max.


Note that the price for an air conditioning repair in a garage should cost at least 68 € per hour depending on the malfunctions of your Ford C-max.




That's now normally you can identify the source of the water in your Ford C-max and you are able to do the steps to repair this water infiltration in your Ford C-max.