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 front right reading light button -E634-
  Note The front right reading light button -E634- is an integral part of the front interior light -WX1- and cannot be removed individually. Removing –  Remove front interior light -WX1- & ...

Hot air blower, 220 V / 50 Hz -VAS 1978/14-
  Caution When shrink-fitting, take care not to damage any other wiring, plastic parts or insulating material with the hot air blower. Observe the operating instructions of the hot ai ...

Removing and installing brake pads, front brakes
Special tools and workshop equipment required     Torque wrench -V.A.G 1331-   Piston resetting appliance -T 10145- ...

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