Volkswagen Golf Owners Manual: Underseal
First read and observe the introductory information
and safety warnings 
The underside of the vehicle is coated to protect it from corrosion and damage. The protective coating on the underside of the vehicle could be damaged when driving. Volkswagen therefore recommends that the protective coating on the underside of the vehicle and on the running gear should be checked regularly and repaired if necessary.
CAUTION
- Never apply underseal or anti-corrosion coatings to the exhaust pipes, catalytic converter, heat shields or other vehicle components that become hot.
De-icing the door lock cylinders
First read and observe the introductory information
and safety warnings Volkswagen recommends the use of genuine Volkswagen spray
with lubricating and anti-corrosive properties to de-ice the loc ...
Cleaning the engine compartment
First read and observe the introductory information
and safety warnings The engine compartment of any motor vehicle is a hazardous
area   .
The engine compartment should be cleaned by a qual ...
Other materials:
Corrosion protection for body components, add-on components and welded
components
Attachments
Wings, doors, covers and flaps must be coated completely on
the inside as well. One wet-in-wet spray pass is adequate for
this.
Before installing, add-on parts must be sealed with cav ...
Removing and installing onboard supply control unit -J519-, LHD vehicles
Note
When renewing the control unit, select
Renew function for the respective control unit in
Guided fault finding or
Guided functions mode
→ Vehicle
diagnostic tester.
Removing
â ...
Removing and installing lower suspension link, vehicle with manual gearbox
or dual clutch gearbox 0CW
Special tools and workshop equipment
required
Torque wrench -V.A.G 1332-
Removing
–
Loosen wheel bolts.
–
...
