Removing and installing oil retention valve and spray nozzle valve — VW

🧭 Before you start

Fits: VW Touareg I (7L, 2002–2010)

• Renewed: seals

Don't miss

• Unscrew high-pressure lines (3) and (8) from fuel rail connections. To do this, counterhold using an open-end spanner on the hexagon drive and loosen the union nut.
• Unscrew union nuts (2 and 3). To do this, counterhold on hexagon using an open-end spanner.
• Renew seals and O-rings.

🔧 Engine codes this applies to

📋 Procedure

1. Remove intake manifold .
2. Unscrew bolts (1, 4, 5, 6, 7) on high-pressure line clamps and remove.
3. Disconnect electrical connectors at injectors.
4. Unscrew high-pressure lines (2) and (9) from fuel rail connections.
5. Unscrew high-pressure lines (3) and (8) from fuel rail connections. To do this, counterhold using an open-end spanner on the hexagon drive and loosen the union nut.

6. Remove high-pressure lines.
7. Remove intake manifold .
8. Unscrew fuel pipe securing bolts (1).
9. Unscrew union nuts (2 and 3). To do this, counterhold on hexagon using an open-end spanner.
10. Remove fuel pipe.
11. Unscrew bolts (arrows).
12. Remove cover (2) with hose (1) for crankcase breather.
13. Remove gasket.
14. Pull out oil retention valve (1) and spray nozzle valve (2). [Note: Renew seals and O-rings.]
15. Install high-pressure lines as described under "“Removing and installing injectors”".
16. Install intake manifold.

Other VW procedures

• Oil pump, sump (bottom section) - exploded view · 5 torque figures
• Checking fuel pressure
• Removing and installing left exhaust manifold – VW Touareg II · 4 torque figures
• Securing engine on engine and gearbox supportVAS 6095 · 4 torque figures
• Separating engine and gearbox · 1 torque figures
• Removing engine · 41 torque figures
• Removing and installing camshaft – VW Golf Cabriolet · 47 torque figures
• Adjusting valve timing – VW Passat B5 · 83 torque figures
• Removing and installing camshafts – VW Passat B6 · 39 torque figures
• Removing and installing coolant pump · 53 torque figures