Rear Gas-Filled Shock Absorbers, Venting And Draining
WARNING: This page is about a different variant/trim than selected.
Special tools and workshop equipment required
- Hand drill
- 3 mm thread tap
- 6 mm thread tap
- Oil collecting container
- Protective Eyewear
NOTE:
The procedure is the same for standard shock absorbers and Audi magnetic ride shock absorbers.
Procedure
-- Secure gas-filled shock absorber vertically in vise, with piston rod facing down.
WARNING:
Risk of eye injury!
- Wear protective eyewear while drilling.
-- Drill a 3 mm hole -arrow A- through the shock absorber outer tube.
NOTE:
Gas escapes when drilling.
-- Continue drilling until the tube inside is drilled through (approximately 25 mm deep).
-- Drill a second 6 mm hole -arrow B- through the outer and inner shock absorber tubes.
-- Hold the shock absorber over a suitable container for catching oil and move the piston rod repeatedly over the entire stroke until no more oil flows out.