Removing and installing hydraulic line at valve block: Audi A3

🧭 Before you start

Fits: Audi A3 (8V, 2012–2020)

• Renewed: o-ring

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• Risk of injury due to pressurised hydraulic system.The hydraulic system must be depressurised when performing the following work. — Close convertible roof completely.
• Risk of damage and leaks at valve block.Make sure that the hole for the hydraulic line connection piece is not damaged.Damage to the hole could cause leaks. — Press retaining clip (1) off connection piece (2) of hydraulic line.
• Renew O-ring.Every hydraulic line is marked with a number (arrow A), which must be positioned opposite the number (arrow B) on the valve block.
• Risk of damage and leaks at valve block.Pushing in the hydraulic line with force will damage the O-ring. — Push hydraulic line (1) through mounting plate (3).

📋 Procedure

1. ⚠ Risk of injury due to pressurised hydraulic system.The hydraulic system must be depressurised when performing the following work. — Close convertible roof completely.
2. With ignition switched off, press and hold convertible roof actuation button E137(item 1) for approx. 5 seconds.
3. Observe the rules for cleanliness .
4. Remove hydraulic pump .
5. Unscrew bolts (arrows) and press retaining plate (3) away from valve block (2).

6. Pull hydraulic lines (1) out of valve block.
7. ⚠ Risk of damage and leaks at valve block.Make sure that the hole for the hydraulic line connection piece is not damaged.Damage to the hole could cause leaks. — Press retaining clip (1) off connection piece (2) of hydraulic line.
8. Pull hydraulic line (4) out of retaining plate (3). [Note: Renew O-ring.Every hydraulic line is marked with a number (arrow A), which must be positioned opposite the number (arrow B) on the valve block.]
9. ⚠ Risk of damage and leaks at valve block.Pushing in the hydraulic line with force will damage the O-ring. — Push hydraulic line (1) through mounting plate (3).
10. Fit new retaining clip (6) and new O-ring (5) onto connection piece (4) for hydraulic line.
11. Insert connection piece for hydraulic line vertically in valve block (2) (there should be no noticeable resistance).
12. Tighten bolts to specified torque.
13. Install hydraulic pump .
14. Check hydraulic fluid level and top up if necessary .

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