ABS Control Module -J104-, ATTACHING TO ABS Hydraulic Unit -N55-, MARK 70 ABS/ASR

WARNING: This page is about a different car, the 2014 Volkswagen Jetta, 2013 Volkswagen Jetta, 2012 Volkswagen Jetta, and 2011 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

Installing

Assembly is performed in the reverse order of removal. Note the following:

WARNING:

Excessive shaking (for example, dropping, impact) can damage the ABS Control Module -J104-. Do not use the ABS Control Module -J104- again if this happens.

NOTE:

A new ABS Control Module -J104- can be installed on an old ABS Hydraulic Unit -N55- twice, maximum. This assures the elastic seal will not leak.

A used ABS Control Module -J104- may not be installed a second time.

Surface must be cleaned before assembling.

-- Slide all sealing rings -A- slightly over the valve dome.

Fig 1: Identifying Sealing Rings Slid Over Valve Dome

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-- Place the ABS Control Module -J104- on the ABS Hydraulic Unit -N55- without tilting it.

Fig 2: Removing Control Module From Hydraulic Unit Without Angling

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Sealing rings are then brought into their end position.

-- Install the ABS Hydraulic Unit -N55- and ABS Control Module -J104- with the new bolts -arrows- provided.

Fig 3: Locating Control Module Torx Bolts

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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 ABS/ASR Mark 70
Function
ABS Control Module J104, coding

Tightening Specification

Component	Tightening Specification
ABS Control Module -J104- with ABS Hydraulic Unit -N55- Use new bolts.	5.5 Nm