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:

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 and installing ignition coils with output stage
Special tools and workshop equipment required     Puller -T10530-   Note The ignition coils are easier to remove when the engine is warm. The grease used durin ...

Causes of vibration
Vibration can have a number of different causes. Vibration can also be caused by tyre wear. Tyre wear caused by driving is not always evenly spread across the entire running surface of the tyre. This causes slight imbalances which affect the smooth runni ...