Citroen C4 - Repair abs pump

An ABS block, what is it for?

What is the purpose of the ABS block?

Since 2003, the Highway Code has required every car to have a functioning ABS block. The anti-lock braking system, or ABS, is an emergency braking assistance, it allows to keep control of the car by preventing the wheels from locking.

Focus on the ABS system

The ABS block is a part of the general ABS system. There are for the Citroen C4 car ...

• Magnetic targets: they generate signals read by the sensors, which transmit these signals to the ABS computer.
• Wheel speed sensors: there are 2 types, namely inductive sensors composed in particular of a coil and active sensors.
• The ABS block: what are the elements that compose it? Let's see it in more detail below ...

The ABS block

Let's see the partial composition of the ABS block of the Citroen C4 automobile:

The hydraulic unit

• A hydraulic pump whose delivery is the cause of the beats felt under the foot.
• Solenoid valves with a presence of the ABS regulation on the rear wheels.
• The electronic brakeforce distribution, which is an additional function managed by the ECU.

The ECU

It collects information that comes from the brake pedal.

The hydraulic motor

It is an organ that transforms a flow rate into rotational speed and a pressure into operating torque. The motor's rotational speed is proportional to the flow rate that feeds it.

The Citroen C4 ABS block reconditioning

What are the symptoms of a defective ABS block?

Most of the time it is one or the other reason: The car lacks stability in wet driving conditions, the regulation of the brake pressure is not done normally.

What does Diag-Engine.fr offer?

Diag-Engine is a company specialized in the repair of the ABS block of all brands. Let us emphasize that Diag-Engine does not offer new ABS blocks.

What is the method of operation?

The method of operation is relatively quick. You choose the brand corresponding to your car, then the model and then the brand of ABS block that corresponds to it. Thus you only have to go through the purchase and send us your broken ABS block.

As soon as we receive your part, we will take care of its replacement and send it back to you 2 days later.

We are here to help you by tel or email at the slightest doubt.

The address where you can send it to us is indicated at the bottom of the site.

They trusted us

• When I received the ABS block of my Citroen C4 , I mounted the part myself. I was afraid to start, but ... miracle! no more ABS light!
• I am not used to leaving a comment following a purchase on the internet, but there, I am very eager to do so I am happy for my ABS block Citroen C4: 5 stars thank you!"
• The Abs block is back up and the braking has regained all its power!

Pay in 3 times without charge and receive an immediate response.