Checking vane pump delivery pressure, vehicles with 4-cylinder diesel engine — VW

🧭 Before you start

Fits: VW Passat B5 (3B)

• Renewed: vane pump

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• If specification is not reached, renew vane pump .

📋 Procedure

1. Clamp off suction and return lines using hose clamps3094.
2. Place drip tray in position.
3. Unscrew banjo bolt (1) and place pressure line to one side.
4. Screw adapterV.A.G 1402/3 in vane pump in place of banjo bolt.
5. Screw hose from pressure gaugeV.A.G 1402 on adapterV.A.G 1402/3.

6. Start engine and, if necessary, top up fluid level in reservoir.
7. Turn steering wheel approx. 10 times from lock to lock.
8. Now check delivery pressure.
9. With engine running at idling speed, close shut-off valve (not longer than 5 seconds) and read pressure.
10. Move lever to position (1).
11. Now check delivery pressure. [Note: If specification is not reached, renew vane pump .]
12. Check hydraulic fluid level .
13. Check steering system for leaks .
14. Bleed steering system .

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