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4.3 Air Suspension Strut, Filling
Special tools and workshop equipment required
♦ Air Spring Strut Adapter - T10157/1-
♦ Air Suspension Strut Charger - VAS6231-
♦ Steel gas bottle filled with argon or corgon
Note
Suspension struts (air suspension) are delivered as a replace‐
ment part with a minimum pressure. By sitting in storage for
extended periods this pressure can diminish (just like a tire). Be‐
fore the suspension strut (air suspension) is removed from its
packaging, this minimum pressure must be controlled by »refill‐
ing«. If the suspension strut (air suspension) is removed from its
packaging without this control/refilling, folds can occur in the un‐
der-filled air spring boot. These indentations lead to preliminary
damage and may lead to premature failure.
– Remove the cover from the packaging.
– Remove union bolt -arrow- from the residual pressure holding
valve. Illustration shows front suspension strut (air suspen‐
sion).
– Close the valve of the steel gas bottle.
– Become familiar with the relevant rules for the prevention of
accidents for pressurized containers and technical gases.
– Connect Air Suspension Strut Charger - VAS6231- and Air
Spring Strut Adapter - T10157/1- as shown in illustration.
1 - Suspension strut (air suspension) in packaging
2 - Steel gas bottle for argon, corgon with gauges
3 - Air Suspension Strut Charger - VAS6231-
4 - Air Spring Strut Adapter - T10157/1-
Note
Refilling the suspension strut (air suspension) may only be per‐
formed with the gases from the top to prevent any “uncleaned” air
from getting into the air suspension system.
Audi Q7 2007 ➤
Suspension, Wheels, Steering - Edition 01.2014
148 Rep. Gr.42 - Rear Suspension
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