Audi Q7 2007 - Page 83

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Note
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
the rolling bellows -arrows-.
– Remove transportation protection from air spring.
– Position air spring on shock absorber and slide it onto shock
absorber collar as far as stop. Grasp air spring rolling pistons,
refer to -Item 5- ⇒ Item 5 (page 69) with both hands and slide
it down with light right/left rotations.
– Position bearing and secure with a new nut.
1 - Commercially Available Ratchet
2 - Shock Absorber Set - Retainer SW7 - T10001/14-
3 - Shock Absorber Set - Reversible Ratchet - T10001/11-
4 - Shock Absorber Set - Socket - T10001/3-
– Clean contact surfaces on mounting bracket and air spring
with a lint-free cloth.
Note
Even the smallest contaminants lead to air spring leakage.
– Replace gasket -arrow- and lightly grease it with Lithium
Grease .
– Align air spring so that residual pressure retaining valve -1- is
located exactly on imaginary symmetrical axis -arrow- on sus‐
pension strut (air suspension).
Note
Only rotate at rolling piston, refer to -Item 5- ⇒ Item 5 (page 69)
when doing so in order to avoid damaging boot -Item 4-
⇒ Item 4 (page 69) inside air spring.
– Residual pressure retaining valve -1- points in opposite direc‐
tion of Dampening Adjustment Valve -2-.
– Slide boot onto air spring and secure with a new clamp.
Audi Q7 2007 ➤
Suspension, Wheels, Steering - Edition 01.2014
4. Air Suspension Strut, Upper Control Arm and Level Control System Sensor 75