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Home >> Audi >> 2019 >> A4 Titanium >> Repair and Diagnosis (Single Page) >> Brakes >> Brakes Control Systems >> Antilock Brake System [CYMC, DFVA, CWGD, DBPA, DECA] >> 45 Antilock Brake System >> Control Module And Hydraulic Unit >> Control Module, Installing On Hydraulic Unit >> Procedure
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Control Module, Installing On Hydraulic Unit: Procedure

NOTE:

Use the complete repair kit when installing.

CAUTION:

There is a risk of destroying the ABS control module.

  • Protect the control module from bumps or impact. A control module that has fallen to the ground can no longer be used.

-- Place the control module -2- carefully from above on the hydraulic unit without tilting.

-- Install the new bolts -1- by hand until the control module touches the hydraulic unit evenly.

NOTE:

If the bolts for the control module on the hydraulic unit are difficult to install or cannot be tightened to the tightening specification, then the hydraulic unit must be replaced.

-- Tighten the bolts in two stages in a diagonal sequence.

-- Install the hydraulic control unit. Refer to ABS Control Module -J104- /ABS Hydraulic Unit -N55-, REMOVING AND INSTALLING .

-- After installing the hydraulic control unit and bleeding the brake system, select the function "Replacing" for the ABS Control Module -J104- /ABS Hydraulic Unit -N55- using the Vehicle Diagnostic Tester, Guided Functions  .

WARNING:

Risk of accident!

  • Make sure the brakes are working correctly before driving the vehicle for the first time.