Q7 Quattro V8-4.2L (BAR) (2008)
Entire air spring must rotate with it.
‹› Make sure that rolling piston - 1 - does not slip down out of outer guide - 2 -.
‹› If air spring is reused and air spring has slipped out of outer guide, it must be slid in again by forming even circumferential folds on boot - arrows
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When replacing air spring, slide stop buffer - 1 - down out of air spring centering seat.