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 - ...
Other materials:
Routing and securing lines
Risk of damage to lines
Lines may become damaged by moving or hot components.
–
Route lines in their original positions.
–
Ensure that there is sufficient clearance to moving or hot
components.
...
Secondary locking element
The secondary locking mechanism is a housing catch (second
line locking mechanism) that secures all the wires in one
contact housing. If a secondary locking mechanism is fitted to a
contact housing, this must always be opened or removed using the
appropr ...
Checklist
The following steps should always be carried out in the specified
order before working in the engine compartment :
Park the vehicle on a level and stable
surface.
Depress and hold the brake pedal until
the engine has stopped.
Switch on the electronic parking brake
Braki ...
