Audi A8 D4/4H - Repair abs pump

Principle of the ABS block

The ABS block and road safety

Since 2003, the Highway Code provides that it is mandatory to have a functioning ABS block on every vehicle. The ABS block refers to the anti-lock braking system that prevents, during a too sudden braking, the wheels from locking.

The ABS system to keep control of the car

Before talking about the ABS block, it is important to understand the ABS system in its entirety. We distinguish for the Audi A8 D4/4H model ...

• The ABS block: let's see precisely the elements that make it up below...
• The wheel speed sensors: each sensor is placed in front of a gear, which induces a sinusoidal signal whose quality depends on the speed of wheel rotation.
• The magnetic targets: they generate signals read by the sensors, which send these signals to the ABS ECU.

The ABS block

In an ABS block of the car manufacturer Audi A8 D4/4H , we observe in particular...

The ECU

It receives information that comes from each of the wheel sensors.

The hydraulic unit

• A hydraulic pump that prevents the pedal from depressing during ABS regulation.
• Pressure accumulators that are none other than tanks of pressurized gas used to provide a large flow rate for a fairly short period of time.
• The electronic distributor that nuances the pressure on the rear wheels.

The motor driving a hydraulic pump

It transfers hydraulic energy into mechanical energy.

Audi A8 D4/4H ABS block replacement

How to tell if an ABS block is failing

Most of the time it is one reason or the other... The car lacks stability in wet driving conditions or a concern of an electrical nature.

What does Diag-Engine offer?

Diag-Engine is a company known for its expertise in Audi A8 D4/4H auto parts and others. Let's emphasize that Diag-Engine does not sell new ABS blocks.

What is the mode of operation?

From the moment we receive your ABS block, just wait for a few days to receive it functional again.

The principle of operation is relatively easy. You choose the brand corresponding to your automobile, then the model and finally the brand of ABS block that corresponds to it. All you have to do is order and ship us your broken ABS block.

You will find our contact information in the footer of the site.

We can be reached by tel or email with any questions.

Some customer reviews

• Very responsive and fast service. Just 8 days between shipping and return by colissimo after repair.
• I sent my ABS block to Diag-Engine and all the follow-up and service were on target, from the contact to the repair and from the delay to the delivery.
• I was given a quote of 1000 € to replace my ABS block. With Diag-Engine, it cost me 380 €. Thank you !

Important ! Payment in installments without charge is possible.