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. |
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| 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. |
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WARNING
Danger of freezing injuries.
The refrigerant can emerge as liquid or as vapour.
...
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 treble horn -H2- / bass horn -H7-
Note
Removal and installation are described for the left side.
Removal and installation on the right side are carried out in
the same way.
Removing horn
–
...
Assembly overview - rear shelf support
Note
The illustration shows the rear shelf support on the left side. The
right-hand side is similar (mirror image of left-hand side).
1 -
Rear shelf support
Removing and installing
→ Chapter
2 -
Cli ...
Checking exhaust system for leaks
Procedure
–
Start engine and run at idling speed.
–
Seal end exhaust pipes with cloths or plugs, for example,
for the duration of the leakage test.
–
Check (by l ...
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Handling refrigerants
First aid