Volkswagen Golf Service & Repair Manual: Exhaus system

Removing and installing engine control unit -J623- (with protective housing)

Special tools and workshop equipment required     Hot air blower -VAS 1978/14A--item 1- with nozzle - ...

Exhaust pipes, silencers

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Other materials:

Undercoating, additional protected areas on CNG-powered vehicles
  Note Undercoating (stone-chipping protection) applied during repair work must be identical in appearance and thickness to the original undercoating. Water drainage holes must remain clear. All threaded studs and welded nuts with metric ...

Removing and installing poly V-belt, vehicles with air conditioner compressor
Special tools and workshop equipment required     Locking pin -T10060 A- Removing   –  To slacken poly V ...

Checking colour indicator, “2-colour”
  WARNING Danger of injury! Observe warning notices and safety regulations → Chapter! General information about colour indicator: The genera ...