Power Steering Pump: Tools and Equipment

Pressure Gauge VAG 1402, Connecting





1-VAG 1402 Pressure gauge
2-VAG 1402 Hose from pressure gauge
3-VAG 1402/6 Hose from adapter set
4-VAG 1402/4 Adapter
5-O-ring
^ Qty. 2
6-VAG 1402/2 Adapter
7-Pressure line/hose with banjo union
8-Banjo bolt

- Remove hose clamp 3094 from suction and return hoses.
- Start engine and if necessary add fluid to reservoir.
- Turn steering wheel approx. 10 times lock to lock.
- Check delivery pressure.

Requirements:
^ V-belt/V-belt tension OK.
^ System not leaking.
^ Hoses/lines are not kinked or restricted.
- Close cut-off valve (not longer than 5 seconds) and read pressure, with engine idling.

Specifications
Gasoline engines: 85 ... 95 bar (1233 - 1378 psi)
Diesel engines: 96 ... 105 bar (1392 - 1523 psi)

Note:
^ If reading is higher or lower than specified replace pump
^ Power steering pump (vehicles with pump in upper area), removing and installing.
^ If reservoir fluid level is low check steering system for leaks.
^ For leaks at pinion check lines/line connections for leaks and if necessary tighten and wipe dry.
^ If pinion seal or rack seals in steering gear housing are leaking replace steering gear.
^ To check rack seals loosen hose clamp on boot and push boot to one side.