ABS Control Module -J104- /ABS Hydraulic Unit -N55-, REMOVING AND INSTALLING: Installing
Install in reverse order of removal. Note the following.
Remove the plugs on the new ABS Hydraulic Unit -N55- only when installing the corresponding brake line.
Brake fluid may leak out if the plugs from the ABS Hydraulic Unit -N55- are removed beforehand and the unit may not be sufficiently filled or adequately bled.
When installing the ABS Hydraulic Unit -N55-, make sure that the rubber bushings are not pushed out of the bracket.
-- Before assembling the holder for the ABS Hydraulic Unit -N55- in the bracket, spray the rubber bushings with Silicone Lubricant Spray: D 007 000 A2 .
-- Install the brake lines carefully with the Torque Wrench - Assembly Tool: V. A. G 1410/8 .
Tightening Sequence:
-- Remove the Brake Pedal Actuator: V. A. G 1869/2 .
-- Bleed the brake system. Refer to HYDRAULIC SYSTEM .
-- Code the radio.
-- Code the ABS Control Module -J104- using the in "Guided Fault Finding".
While doing so, a basic setting for the Steering Angle Sensor -G85-, Transverse Acceleration Sensor -G200-, Longitudinal Acceleration Sensor -G251- and Brake Pressure Sensor 1 -G201- must be performed.