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

Volkswagen Golf Service & Repair Manual / Electrical system / Starter- current supply- CC / Adaptive cruise control / Removing automatic distance control unit from and installing on retaining plate, variant 1

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

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. ...

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