Volkswagen Golf Service & Repair Manual: Connecting air conditioner service station
| For vehicles that have connections on both
low-pressure and high-pressure sides of refrigerant circuit |
|
| Connecting air conditioner service
station for measuring and checking |
| – |
Connect air conditioner service station to power supply. |
| – |
Connect quick-release coupling adapters to charging hoses
for air conditioner service station (handwheels not turned
inwards, i.e. hand shut-off valves not open). |
| – |
Switch on air conditioner service station and evacuate
charging hoses (necessary only if there is air in the charging
hoses). |
| – |
Switch off air conditioner service station. |
| – |
Unscrew sealing caps from service connections (with valve). |
| – |
Connect air conditioner service station via service
connections to the vehicle refrigerant circuit using
quick-release coupling adapter. |
| – |
Turn handwheel of quick-release coupling adapter inwards
only far enough to ensure that valves on service connections are
open (check using a pressure gauge; do not overstress valves). |
| – |
Perform the intended measuring and checking work. |
|
Spray the evaporator with Contra Sept directly using a spray
lance (approx. 10 bar). Contra Sept neutralises microbes and
bacteria directly at the evaporator.
...
Other materials:
Removing and installing lower part of sump
Special tools and workshop equipment
required
Flat scraper
Commercially available scraper
Sealant remover
Hand drill with plastic brush attachment
...
Performing maintenance test
WARNING
It is not permissible to test or charge batteries
whose colour indicator is light yellow. Do not
slave/jump start the vehicle!
Danger of explosion when checking and charging ...
Using the selection menu in the instrument cluster
Fig. 16 Vehicles without a multifunction
steering wheel: button ① on the windscreen wiper lever for confirming menu points,
and rocker switch ② for changing menus and information displays
Fig. 17 Right-hand side of the multifunction
steering wheel: controls for using the menus and inform ...
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Spraying the evaporator with the suction feed spray-gun -V.A.G 1538- and
spray lance