Rear Gas-Filled Shock Absorbers, Venting And Draining
WARNING: This page is about a different car, the 2022 Audi SQ7, 2022 Audi S7, and 2022 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.
Special tools and workshop equipment required
- Hand drill
- 3 mm diameter drill bit.
- 6 mm diameter drill bit
- Oil collecting container
- Protective Eyewear
Procedure
-- Secure the gas-filled shock absorber vertically in a vise with the piston rod facing down.
CAUTION:
Risk of injury due to flying metal shavings.
Irritation and injury to skin and eyes possible.
- Wear protective eyewear.
- Wear safety gloves.
-- Drill a 3 mm hole -item A- through the shock absorber outer tube.
TIP:
Gas escapes when drilling.
-- Continue drilling until the tube inside is drilled through (approximately 25 mm deep).
-- Drill a second 6 mm hole -item B- through the outer and inner shock absorber tubes.
-- Hold the shock absorber over an appropriate container for catching oil and move the piston rod repeatedly through the entire stroke until no more oil flows out.