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:

Safety precautions for working on vehicles with Start/Stop system
Risk of injury due to unexpected engine start In vehicles with activated Start/Stop system, the engine may start up unexpectedly. The status of the Start/Stop system is indicated by a message in the dash panel insert. –  Deactivate Start/Stop syste ...

Trade names and designations
Refrigerant R134a is currently available under the following trade designations: H-FKW 134a SUVA 134a KLEA 134a   Note Other trade designations ...

Assembly overview - three-point seat belt, 2-door model, without belt tensioner
1 -  Belt inertia reel Removing and installing → Chapter 2 -  Bolt If removed due to an accident with seat belt fastened, renew bolt 40 Nm 3 -  Bolt If removed due to an accident w ...