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Volkswagen Golf Mk7 Service & Repair Manual: Removing automatic distance control unit from and installing on retaining plate, variant 1

Using calliper square -VAS 6335-, this page covers removing the variant 1 ACC unit from its retaining plate, adjusting the adjustment screws, and renewing the unit's clips.

Removing: → Anchor
Installing: → Anchor
Adjusting adjustment screws: → Anchor
Renewing clips on adaptive cruise control unit -J428-: → Anchor
Special tools and workshop equipment required
Calliper square -VAS 6335-
Removing
–  Remove adaptive cruise control unit -J428- → Chapter.
   
–  Turn quick-release fasteners -2- in -direction of arrow-.
–  Remove retaining plate -3- from adaptive cruise control unit -J428--4-.
–  Pull quick-release fasteners -2- off adjustment screws -1-.
Installing
Install in the reverse order of removal, observing the following:
  Note
Renew quick-release fasteners -2-.
The adjustment screws -1- in the automatic distance control unit -J428- are preset. Correct the adjustment as required → Anchor.
If studs -1- have been unscrewed, clips on the adaptive cruise control unit -J428- need to be renewed → Anchor.
 

Removing automatic distance control unit from and installing on retaining plate, variant 1

–  Carefully press new quick-release fasteners -4- onto studs -2-.
–  Fit retaining plate -3- to adaptive cruise control unit -J428--1-.
–  Engage quick-release catches -4- on retaining plate -3- in -direction of arrow- as far as stop.
–  Install adaptive cruise control unit -J428- → Chapter.
Adjusting adjustment screws
 

Removing automatic distance control unit from and installing on retaining plate, variant 1

–  Place adaptive cruise control unit -J428- on a soft and clean surface.
–  Using digital calliper -VAS 6335-, measure setting -a- of all adjustment screws and correct, if necessary.
Dimension -a- = 44.3 mm
Renewing clips on adaptive cruise control unit -J428-
 

Removing automatic distance control unit from and installing on retaining plate, variant 1

–  Unscrew adjustment screw -1- using suitable tool -2-.
 

Removing automatic distance control unit from and installing on retaining plate, variant 1

–  Set screwdriver -A- between retaining hook and housing.
–  Bend retaining hooks with the screwdriver one after the other towards the centre until they audibly break off.
–  To prevent broken hooks from becoming caught in the housing, remove them from inside clip using long-nose pliers -B-.
 

Removing automatic distance control unit from and installing on retaining plate, variant 1

–  Insert new clip -A- into hole in housing, and press it on by hand until it engages audibly -arrow-. The lugs on the clip must sit correctly in the recesses.
–  Screw in adjustment screw -B--arrows-. Adjustment screw must be parallel to bore and correctly aligned with clip.
–  Adjust adjustment screws → Anchor.
–  Repeat this process if necessary at other clips.
–  Install retaining plate for adaptive cruise control unit -J428- → Anchor.
 

Removing automatic distance control unit from and installing on retaining plate, variant 1

    Questions & answers

    Removing automatic distance control unit from and installing on retaining plate, variant 1 — Volkswagen Golf Mk7

    How do I separate the Golf Mk7 ACC unit from its plate (variant 1)?
    Unbolt the unit from the retaining plate. Note the alignment marks for refitting.
    Removing and installing automatic distance control unit, variant 1
      Note If the automatic distance control unit -J428- is renewed, start the respective function → Vehicle diagnostic tester. ...

    Removing automatic distance control unit from and installing on retaining plate, variant 2
      Note If the automatic distance control unit -J428- is renewed, start the respective function → Vehicle diagnostic tester. ...