VW Golf manuals

Volkswagen Golf Service & Repair Manual: Welding and soldering on refrigeration systems

Before welding and brazing on vehicles (in the vicinity of the air conditioning system components), extract the refrigerant and then purge the system by blowing through with compressed air and using nitrogen.
The products of decomposition of refrigerants under heat are not only poisonous but are strongly corrosive, so that pipework and system parts could be attacked. This refers primarily to hydrogen fluoride.
   
Pungent smell
A pungent odour indicates that the products of decomposition mentioned above are already present. Breathing in these substances must be avoided under all circumstances, or the bronchial tubes, lungs and other organs could be injured.
   
Handling refrigerants
  WARNING Danger of freezing injuries. The refrigerant can emerge as liquid or as vapour. ...

First aid
In the event of contact with the eyes or mucous membranes, wash immediately with copious running water and summon an eye specialist. In t ...

Other materials:

Removing and installing ambient temperature sensor -G17
  Note The ambient temperature sensor -G17- is used for determining the outside temperature and as a switch-on condition of the auxiliary and supplementary heater via CAN bus. –  Removing and installing ambient temper ...

Assembly overview - drive shaft, constant velocity joint VL107
1 -  Bolt Renew after removing Loosening and tightening → Chapter Before fitting, clean the threads in the CV joint using a thread tap. 200 Nm +180° 2 -  ...

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. –  ...

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