ABS Control Module -J104- /ABS Hydraulic Unit -N55-, REMOVING AND INSTALLING: Installing

Install in reverse order of removal. Note the following.

NOTE:

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 .

Fig 1: Identifying Torque Wrench - Assembly Tool

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Tightening Sequence:

Fig 2: Brake Line Tightening Sequence

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-- 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.