Removing and installing clutch valve for all-wheel drive N445 or clutch valve 2 for all-wheel drive N446, 0BE, 0BF — AUDI

🧭 Before you start

Fits: Audi Q5 (8R, 2008–2017), Audi A5 Cabriolet (8F), Audi A8 D4 (4H, 2010–2017), Audi A5 (8T, 2007–2016), Audi A4 B8 (8K, 2007–2015), Audi A6/A7 C7 (4G, 2011–2018); platform codes 83, 4X

Don't miss

• Malfunctions on rear final drive.Do NOT interchange fitting location of clutch valve for all-wheel drive N445 with fitting location of clutch valve 2 for all-wheel drive N446. — Place vehicle on lifting platform.
• Mark connectors (1 ... 4) for oil pressure and oil temperature senders and clutch valves.Unplug connectors (1) and (2).

📋 Procedure

1. ⚠ Malfunctions on rear final drive.Do NOT interchange fitting location of clutch valve for all-wheel drive N445 with fitting location of clutch valve 2 for all-wheel drive N446. — Place vehicle on lifting platform.
2. Lower rear section of exhaust system slightly and secure.
3. Remove bracket for wiring harness from rear final drive . [Note: Mark connectors (1 ... 4) for oil pressure and oil temperature senders and clutch valves.Unplug connectors (1) and (2).]
4. Unplug connector (3) from clutch valve 2 for all-wheel drive N446 / connector (4) from clutch valve for all-wheel drive N445.
5. Position drip tray under rear final drive.

6. Unscrew bolts (1) of corresponding clutch valve using 4 mm socket T10370
7. Carefully prise out clutch valve e.g. using a flat screwdriver; observe spring (3). Spring can fall out of opening in hydraulic control unit (6).
8. Install new clutch valve with new O-rings (arrows) (coat O-rings with ATF).
9. Pre-tighten bolts (1) evenly hand-tight until they make contact. Then tighten to specified torque . [Note: Allocation of connectors for oil pressure and oil temperature senders and at clutch valves:(1) = connector for oil pressure and oil temperature sender 2G640(2) = connector for oil pressure and oil temperature sender G437(3) = connector for clutch valve 2 for all-wheel drive N446(4) = connector for clutch valve for all-wheel drive N445]
10. Attach bracket for wiring harness to rear final drive .
11. Top up ATF in rear final drive .
12. Attach rear section of exhaust system to body and perform stress-free alignment 26Exhaust pipes/silencers; Exploded view - silencers.

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