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:

Removing and installing camshaft housing
Removing –  Remove coolant pump → Chapter. –  Remove air filter housing → Chapter. –  Remove ignition coils → Chapter. ...

Measuring tread depth
  Note The tread depth is measured in the main tread channels. Do not measure at the TWIs (Tread Wear Indicators).     Measure the tread depth in the main tread channel, a ...

O-ring
Use only O-rings that are resistant to refrigerant R134a and related refrigerant oils. O-rings are no longer colour-coded. Coloured and black O-rings are used. Check that the O-rings used have the correct internal diameters. ...