8-Cylinder Gasoline

Power Steering Pump, Checking Delivery Pressure

Special tools, testers and auxiliary items required

• Hose clamp (3094)

• Power steering tester (V.A.G 1402)

• Adapter (V.A.G 1402/2)

• Adapter (V.A.G 1402/4)

• Hose from adapter set (V.A.G 1402/6)

- Remove engine noise insulation. Refer to

- Clamp off intake hose using (3094).





- Remove pressurized line from power steering pump.

- Attach adapter as shown in figure.





1 (V.A.G 1402)
2 (V.A.G 1402/2)
3 (V.A.G 1402/4)
4 (V.A.G 1402/6)
5 Banjo bolt
6 Seal

- Remove (3094) from intake line.

Make sure that lever on pressure gauge stands in position - 2 -.





- Start engine and top up hydraulic fluid in reservoir if necessary.

- Turn the steering wheel from lock to lock about 10 times.

- Now check delivery pressure.

Test Prerequisites

• Ribbed belt/ribbed belt tension OK.

• Sealing of system.

• Hoses/lines are not kinked or constricted.

- With engine at idle speed, close stopcock, not more than 5 seconds (position - 1 -) and read pressure.





Specification for delivery pressure: 110 to 120 bar

If specified value is not obtained, replace power steering pump. Refer to => [ Power Steering Pump ] Service and Repair.

- Remove pressure gauge and adapter.

- Bleed steering system. Refer to => [ Power Steering System, Bleeding ] Service and Repair.

- Check hydraulic fluid level and top off, if necessary. Refer to Maintenance Booklet 17.1, Power-assisted steering: Check oil level.

- Check steering system for leaks. Refer to => [ Steering System, Checking for Leaks ] Component Tests and General Diagnostics.