Checking vane pump delivery pressure, 8-cylinder injection engine — VW

🧭 Before you start

Fits: VW Passat B5 (3B)

• Special tools named: V.A.G 1402/6

📋 Procedure

1. Clamp suction hose with hose clamp3094.
2. Unscrew crankcase breather (1) from bracket (2)(arrows).
3. Place drip tray underneath vehicle.
4. Unscrew banjo bolt (1) and hexagon bolt (2).
5. Place pressure line (3) to one side.

6. Seal pressure line using plastic bag or suitable alternative.
7. Screw adapter(1) from V.A.G 1402/6 in vane pump in place of banjo bolt.
8. Screw adapter(2) from V.A.G 1402/6 in adapter(1) from V.A.G 1402/6.
9. Screw hose of pressure gaugeV.A.G 1402 on adapter(2) from V.A.G 1402/6.
10. Fit V.A.G adapters, banjo bolt and pressure line as shown in figure.
11. Remove hose clamp3094 from suction line.
12. Start engine and, if necessary, top up fluid level in reservoir.
13. Turn steering wheel approx. 10 times from lock to lock.
14. Now check delivery pressure.
15. With engine running at idling speed, close shut-off valve (not longer than 5 seconds) and read pressure.
16. Move lever to position (1).
17. Now check delivery pressure.

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