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:

Retrofitting a towing bracket
Fig. 108 Dimensions and attachment points for retrofitting a towing bracket First read and observe the introductory information and safety warnings Volkswagen recommends having the towing bracket retrofitted by a qualified workshop. The cooling system may need to be modified or heat shield ...

Retrofitting two-way radios
First read and observe the introductory information and safety warnings You will need an external aerial to use a two-way radio in the vehicle. Any retrofit installation of electrical or electronic equipment in the vehicle will affect its vehicle type approval. Under certain circumstances, ...

Checking fuel pressure, engine code CWVA
Special tools and workshop equipment required Removal wedge -3409- Pressure tester -VAS 6550- Connector cable -VAS 6550/3-3- Connector cable -VAS 6550/3-4- Vehicle diagnostic tester   ...