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:

Increase in temperature due to insufficient tyre pressure
The graph shows the temperature development of a tyre at a speed of 180 km/h. A -  When specified tyre pressure is maintained, the temperature will remain stable. B -  Danger zone: When tyre ...

Checking fuel pressure, engine code CWVA
Special tools and workshop equipment required Removal wedge -3409- Pressure tester -VAS 6550- Connector cable -VAS 6550/3-3- Connector cable -VAS 6550/3-4- Vehicle diagnostic tester   ...

Assembly overview - drive shaft
1 -  Outer constant velocity joint Renew only as complete unit Removing → Fig.. Installing: drive onto shaft to stop using plastic hammer Distribute grease evenly in joint Ch ...

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