Remove the expansion tank without disconnecting the hoses from it (see Removing the expansion tank), and take the tank aside.
Before removing the block, mark the location of the brake pipes on it.
In the engine bay on the left side..
... with a special "12" wrench for fittings of brake pipes, we unscrew the fittings of two brake pipes 1, and with a "10" wrench, the fittings of four pipes 2..
... and take the tubes away from the hydraulic unit.
Turn off the bolt with the "12" head..
... and a nut securing the ABS block bracket to the body.
Remove the ABS block from the stud.
Prying with a screwdriver, turn the clamp of the wiring harness block..
... and disconnect the block from the control unit.
We remove the block of the wheel speed sensor wiring harness from the holder on the bracket of the ABS unit..
... and remove the ABS block with the bracket from the engine compartment.
The ABS block is attached to the bracket through two rubber bushings. If the bushings are cracked or the rubber has lost its elasticity, the bushings must be replaced.
Using the "12" key, we unscrew the bolt securing the ABS block to the bracket..
... and separate the block and bracket.
Install the ABS unit in reverse order.
After installation, we pump the hydraulic brake system (see Bleeding hydraulic brake system).