First read and observe the introductory information
and safety warnings
Please follow these rules to help prevent damage to your vehicle when driving through water, for example if the road is flooded:

WARNING

NOTICE
Checklist
Technical dataRemoving 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 -2- from wiring harness
repair set -VAS 1978 B-
Small grinder (com ...
Removing and installing emblem with model designation, “R-Line”
Special tools and workshop equipment
required
Torque wrench -V.A.G 1783-
Note
Only remove when radiator grille -3-
is removed.
Removing
...
Engine cooling
Since higher demands are placed on the engine cooling system
when a trailer is being towed, the cooling system is uprated in
conjunction with factory fitted towing attachments if this is a
technical necessity. This is carried out, for example, by
install ...