Vehicles with 6-cyl. engines except 5-valve turbo (bi-turbo) — AUDI

Special tools and workshop equipment required

3094 Hose clamps
V.A.G 1402 Power steering tester
V.A.G 1402/2 Adapter
V.A.G 1402/3 Adapter
V.A.G 1402/6 Hose from adapter set

Pay attention to information on => Page
48-85
.

Vehicles with 6-cyl. 2-valve petrol engine => Page
48-90

Vehicles with 6-cyl. 5-valve petrol engine => Page
48-93

Vehicles with 6-cyl. diesel engine (TDI) => Page
48-95

Vehicles with 6-cyl. 2-valve petrol engine

Unclip and detach top engine cover -arrows-.

Unscrew ribbed belt cover -arrows-.

Pinch off suction hose with hose clamp -3094-.
Press spring clip for connector and unplug connector from injector.
Place drip tray in position.
Unscrew -arrow- pressure pipe from pressure hose; to do so, provide support at hexagon of pressure hose.

Screw adapter V.A.G 1402/3 into pressure pipe in place of pressure hose.

Screw -arrow- hose of pressure gauge -V.A.G 1402- to adapter -V.A.G 1402/3-.
Use corresponding adapters to connect hose from adapter set
-V.A.G 1402/6- to pressure gauge -V.A.G 1402- and to pressure pipe.
Attach injector connector to injector.
Detach hose clamp -3094- from suction hose.

Continuation of delivery pressure test => Page
48-96

Vehicles with 6-cyl. 5-valve petrol engine

Unclip and detach top engine cover -arrows-.

Unscrew ribbed belt cover -arrows-.
Pinch off suction hose with hose clamp -3094-.
Press spring clip for connector and unplug connector from injector.
Place drip tray in position.

Unscrew (arrow) pipe from expansion hose; to do so, provide support at hexagon of expansion hose.
Screw hose of pressure gauge -V.A.G 1402- to expansion hose.
Use corresponding adapters to connect hose from adapter set
-V.A.G 1402/6- to pressure gauge -V.A.G 1402- and to pressure pipe.
Attach injector connector to injector.
Detach hose clamp -3094- from suction hose.

Continuation of delivery pressure test => Page
48-96

Vehicles with 6-cyl. diesel engine (TDI)

Remove noise insulation for engine.
Pinch off suction hose with hose clamp -3094-.
Place drip tray in position.
Screw out banjo bolt -1-.

Fit V.A.G adapters as shown.

1 -
V.A.G 1402/2
2 -
V.A.G 1402/6
3 -
V.A.G 1402/5
4 -
V.A.G 1402/4
5 -
Pressure hose to pressure gauge V.A.G 1402

Insert four sealing rings between adapter V.A.G 1402/2 and banjo bolt.
Detach hose clamp -3094- from suction hose.

All vehicles with 6-cyl. engines except bi-turbo (continued)

Make sure lever on pressure gauge is in position -2-.

Start engine and, if necessary, top up fluid level in reservoir.
Turn steering wheel roughly 10 times from lock to lock.
Then check delivery pressure.
With engine idling, close cut-off valve -position 1- (max. 10 seconds) and take pressure reading.

Pump pressure specification (gauge pressure)

Engine · Pump · Pump pressure (bar)
6-cyl. 2-valve petrol engine · 8D0 145 156 / 8D0 145 155 M · 110 ... 120 / 110 ... 120
6-cyl. 5-valve petrol engine · 8D0 145 156 F · 110 ... 120
6-cyl diesel engines (TDI) · 8D0 145 177 D · 120 ... 127

If readout does not match specification, replace vane pump.

6-cyl. 2-valve petrol engine => Page
48-113
6-cyl. 5-valve petrol engine => Page
48-121
6-cyl. diesel engine (TDI) => Page
48-141

Move lever to position -1-.
Switch off engine.
Remove pressure gauge.
Connect pressure pipe/expansion hose.
6-cyl. 2-valve petrol engine => Page
48-71
, Item
25
6-cyl. 5-valve petrol engine => Page
48-72
, Item
3
6-cyl. diesel engine (TDI) => Page
48-76
, Item
2

Check hydraulic fluid level =>Page
48-55
.
Check steering system for leaks =>Page
48-59
.
Bleed steering system =>Page
48-57
.