Checking delivery pressure of hydraulic pump with electric motor (motor/pump unit) — VW

🧭 Before you start

Fits: VW Polo 6R (2009–2014)

• Opens: power steering fluid

🔧 Engine codes this applies to

📋 Procedure

1. Remove battery and battery tray Electrical system27Battery; Removing and installing battery.
2. Unscrew cap (1) from motor/pump unit (2).
3. Draw off as much hydraulic fluid as possible from motor/pump unit using a suction bottle.
4. Remove noise insulation for engine General body repairs, exterior50Assembly overview - noise insulation.
5. Remove pressure pipe on motor/pump unit.

6. Assemble adapter as shown in figure.
7. Fill up with hydraulic fluid and check fluid level .
8. Bleed steering system .
9. Now check delivery pressure.
10. Start engine.
11. With engine idling, close shut-off valve (position (1)) for no longer than 5 seconds and note pressure.
12. Remove pressure gauge and adapter.
13. Attach pressure line to motor/pump unit.
14. Fill up with hydraulic fluid and check fluid level .
15. Bleed steering system .
16. Check hydraulic fluid level and top up if necessary .
17. Check steering system for leaks .
18. Attach noise insulation.

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