Volkswagen Golf Service & Repair Manual: Engine control unit

Removing and installing lambda probe 1 before catalytic converter -GX10-/lambda probe 1 after catalytic converter -GX7-

Lambda probe 1 before catalytic converter -GX10- consists of Lambda probe -G39- Lambda probe heater -Z19- ...

Removing and installing engine control unit -J623- (with metal locking plate)

Special tools and workshop equipment required     Hot air blower -VAS 1978/14A--1- with nozzle -2- fr ...

Other materials:

Removing and installing damper weight for refrigerant line, low-pressure side
Special tools and workshop equipment required     Torque wrench -V.A.G 1331/- (5…50 Nm) Removing –  Observe safety precautions when working in the ...

Information stored in the control units
First read and observe the introductory information and safety warnings Your vehicle is factory fitted with electronic control units which are responsible for engine and gearbox management. The control units also monitor the function of the exhaust system and the airbags. These electronic ...

Removing and installing sill panel moulding, 4-door model
  Note Removal and installation are described for the left vehicle side. Follow same instructions for the right side as appropriate. Special tools and workshop equipment required     ...