Power Steering Pump: Testing and Inspection

Power steering pump delivery pressure, checking
Special tools, workshop equipment, test and measuring appliances and aux. items required





^ 3094 Hose clamps
^ VAG 1402 Power steering test module
^ VAG 1402/3 Adapter





- Clamp off intake and return lines using hose clamps -3094-.
- Position drip tray underneath.





- Unscrew banjo bolt -1- and place pressure line to side.





- Screw adapter -VAG 1402/3- into power steering pump in place of banjo bolt.
- Screw gauge -VAG 1402- onto adapter -VAG 1402/3-.
- Close gauge shut-off valve (lever to left).
- Remove hose clamps -3094-.
- Start engine and if necessary, add fluid to reservoir.
- Read off gauge pressure with engine at idling speed (do not measure longer than 10 seconds). Specification: 110 - 120 bar.

Note: If the specifications are not reached, replace power steering pump.

- Check hydraulic oil level.
- Check steering system for leaks.
- Bleed steering system.