Volkswagen Golf Service & Repair Manual: Inlet and exhaust valves

Removing and installing valve stem seals (cylinder head removed)

Special tools and workshop equipment required     Removal and installation device for valve cotters -VAS ...

Checking valve guides

Special tools and workshop equipment required     Universal dial gauge bracket -VW 387- &nb ...

Other materials:

Calibrating Blind Spot Monitor control unit -J1086-/-J1087-
  Note Before the actual calibration process of the control units, the calibration unit -VAS 6350- needs to be set up as described in the following chapter. Special tools and workshop equipment required   ...

Perform battery test with battery tester with printer -VAS 6161-.
  WARNING Danger of injury! Observe warning notices and safety regulations → Chapter! Special tools and workshop equipment required   ...

Removing automatic distance control unit from and installing on retaining plate, variant 2
Special tools and workshop equipment required Calliper square -VAS 6335- Removing –  Remove adaptive cruise control unit -J428- → Chapter.   & ...