Volkswagen Golf Service & Repair Manual: Searching for leaks in refrigerant circuits using leak detector -V.A.G 1796
Note
Small leaks can be detected with, for example, an electronic
leak detector. |
– |
Evacuate refrigerant circuit using an air conditioner
service station
→ Chapter. |
Note
If a larger leak is detected during the evacuation process,
determine cause and rectify as described
→ Chapter. |
If during the evacuation process no leak is detected or a
very small leak is detected that but cannot be located, proceed
as follows
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Refrigerant gas is quickly dispersed by air motion.
Therefore drafts must be avoided during a search for leaks. |
If the refrigerant circuit is completely empty, charge with
about 10% of refrigerant capacity (sticker R134a or
vehicle-specific workshop manual). |
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Prepare leak detector for operation according to its
operating instructions. |
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Always hold probe tip under location of suspected leak. |
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If the rate of clicks rises or a howl occurs, depending on
model, a leak has been found (see operating instructions for
leak detector). |
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Note
A leak in the refrigerant circuit can be detected, for
example, by pressurising the circuit to a maximum of 15 bar
using cleaned and dr ...
Note
Small leaks can be detected with, for example, an UV leak
detector additive.
–
Evacuate refrigerant circuit using a ...
Other materials:
Contact corrosion
Contact corrosion can occur if unsuitable connecting
elements (screws, bolts, nuts, washers, etc.) are used.
For this reason, only connecting elements with a special
surface coating are fitted in the vehicle.
Moreover, c ...
Assembly overview - steering wheel
1 -
Steering column
Removing and installing
→ Chapter
The centre punch marks -arrows- on the
steering wheel and the steering column must align when reinstalling.
Some steering columns leave the factory with no centre ...
Removing and installing moulded headliner, saloon
Special tools and workshop equipment
required
Wedges -T10383
Release pliers -VAS 6427
Removing
...
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