CLIP ON Control Module for Adaptive Cruise Control -J428-, REPLACING

Special tools and workshop equipment required 

• Digital Caliper :VAS6335 
  Fig 1: Identifying Digital Caliper VAS6335

  Courtesy of AUDI OF AMERICA, LLC

The clips cannot be removed without being damaged.

Procedure 

• Distance Regulation Control Module - J428- removed from the retaining plate.

-- Remove the stud bolt -1- with a suitable tool -2-.

Fig 2: Identifying Stud Bolt Removal With Suitable Tool

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-- Place a screwdriver between the hook and the housing.

Fig 3: Place A Screwdriver Between Hook And Housing

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-- Bend every hook all the way around with the screwdriver until it audibly breaks off.

-- To prevent the broken hook from getting caught on the housing, remove it from the inside of the clip using needle nose pliers.

-- Insert the new clip in the hole in the housing, as shown and push in by hand until it clicks into place.

Fig 4: Insert New Clip Into Hole For Housing From Left Side And Push It In By Hand Until It Audibly Engages

Courtesy of AUDI OF AMERICA, LLC

• The tabs on the clip must sit correctly in the recesses.

-- Install the stud bolt.

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• The stud bolt must be aligned correctly to the clip.

-- Turn the stud bolt up to the dimension -a- into the Control Module for Adaptive Cruise Control -J428-.

-- Measure the dimension -a- at all stud bolts using the Digital Caliper :VAS6335  and correct if necessary.

• Dimension -a- = 17.6 mm ± 0.5 mm.