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 glove compartment light switch -E26-
  Note The removal and installation procedures are described for LHD vehicles. Removal and installation for RHD vehicles are similar. Removing –  Open glove compartment.   ...

Assembly overview - flaps and partitions in air distribution housing
  Note The illustration shows a left-hand drive vehicle.     View from front   Note -Arrow- = Direction of travel → Chapter „Assembly overview - heater and ...

Assembly overview - drive shaft
1 -  Outer constant velocity joint Renew only as complete unit Removing → Fig.. Installing: drive onto shaft to stop using plastic hammer Distribute grease evenly in joint Ch ...