ABS Control Module -J104- AND ABS Hydraulic Unit -N55- WITH 4-CYLINDER GASOLINE ENGINE AND ABS MARK 70 ABS/ASR: Installing

WARNING: This page is about a different car, the 2016 Volkswagen Beetle, 2015 Volkswagen Beetle, 2014 Volkswagen Beetle, 2013 Volkswagen Beetle, and 2012 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.

Install in reverse order of removal. Note the following:

CAUTION: Do not confuse the brake lines when connecting them to the ABS Hydraulic Unit -N55-. Mark the lines in their installed position before removing them.

NOTE:

Remove the plugs on the new ABS Hydraulic Unit -N55- only when installing the corresponding brake line.

Brake fluid will leak out if the plugs are removed too early from the ABS Hydraulic Unit -N55-. The system will then not have sufficient brake fluid and will not adequately bled.

WARNING: When installing, make sure the damper rubber is not pushed out of the console. Make sure the ABS Hydraulic Unit -N55- is secure after installing it otherwise malfunctions can occur.

-- Make sure the rubber buffers fit correctly in the mounts when installing the engine cover.

Fig 1: Identifying Correct Installation Of Rubber Insulators

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

CAUTION:

Make sure the 4 fasteners (ball sockets) are positioned correctly before installing the engine cover. Move them into their correct position, if necessary. Otherwise the engine cover will be damaged.

-- Connect the battery. Refer to REMOVAL AND INSTALLATION .

-- Remove the Brake Pedal Actuator VAG1869/2.

-- Bleed the brake system. Refer to DESCRIPTION AND OPERATION .

If a new ABS Control Module -J104- was installed, it must be coded.

Use the Vehicle Diagnostic Tester.

Chassis
Brake System
Anti-Lock Braking System Anti-lock Brake System (ABS)/ASR Mark 70
Function
Anti-lock Brake System (ABS) Control Module J104, coding