Removing and installing vane pump, V8 petrol engine: VW Phaeton

🧭 Before you start

Fits: VW Phaeton (3D)

• Opens: brake fluid, power steering fluid
• Special tools named: 3094

Don't miss

• Loosen bolts for vane pump poly V-belt pulley but do not completely unscrew.
• Mark direction of rotation of poly V-belt.
• Unclip electric cables from the air conditioning compressor but do not disconnect the coolant lines.
• When installing poly V-belt, ensure that it is correctly seated in belt pulleys.

📋 Procedure

1. ⚠ Please note the following points during all assembly work, in particular in the engine compartment, due to the narrow installation conditions:Route lines of all kinds (for example for fuel, hydraulic fluid, activated charcoal filter system, coolant, refrigerant, brake fluid, vacuum) and electrical cables so that the original line/cable routing is re-established.Make sure there is adequate clearance from all moving or hot components. — Remove covers (B and C).
2. Remove engine noise insulation. 50Noise insulation; Assembly overview - noise insulation
3. Loosen bolts for vane pump poly V-belt pulley but do not completely unscrew.
4. Mark direction of rotation of poly V-belt.
5. Remove poly V-belt.

6. Unclip line (1) from clamp (2).
7. Unclip electric cables from the air conditioning compressor but do not disconnect the coolant lines.
8. Clamp off suction line using hose clamps to Ø 25 mm(3094).
9. Remove the air conditioning compressor from the retainer and hand from the body.
10. Remove vane pump poly V-belt pulley.
11. Pay attention to the spacer washers between the pulley and the vane pump.
12. Remove the left air duct from the lock carrier to the bottom part of the air filter.
13. Press the coolant hose (1) onto the body as far as possible while unscrewing the banjo bolt (arrow).
14. Unscrew securing bolt (arrow) on the back of the vane pump from the retainer.
15. Unscrew and remove bolts (arrows) and remove the vane pump from the retainer.
16. Fill vane pump with hydraulic fluid.
17. Fill pump with fluid though suction connecting piece.
18. Turn hub by hand until fluid exits from pressure side.
19. Install vane pump, initially tightening only front bolts.
20. Install poly V-belt and check belt alignment 13Dismantling and assembling engine; Checking poly V-belt alignment. [Note: When installing poly V-belt, ensure that it is correctly seated in belt pulleys.]
21. Bleed steering system .
22. Check hydraulic fluid level .
23. Check steering system for leaks .

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