Removing and installing vane pump (vehicles with 6-cyl. 5-valve petrol engine except bi-turbo) — AUDI

Pay attention to general information => Page
48-103
.

Special tools and workshop equipment required

3094 Hose clamps
3212 Pin wrench
V.A.G 1275 Hose clamp pliers
V.A.G 1331 Torque wrench
V.A.G 1332 Torque wrench

Exploded view

Notes:

Replace sealing rings.
Do not re-use hydraulic fluid drained off.
Hydraulic fluid: Part no. G 002 000

Expansion hose
Section with pipe leading to steering box

Hexagon bolt, 6 Nm
Hexagon bolt, 10 Nm
Ignition coils with holder
Vane pump
Fill with fluid before installing =>Note, Page
48-67
Checking delivery pressure
=> Page
48-85
Removing and installing
=> Page
48-121

Clamp
Always replace
Tension using V.A.G 1275

Suction hose
Mark -P- must be aligned with seam at pump

Pipe for suction hose
Hexagon socket-head bolt, 22 Nm
Attachment of vane pump to bracket at rear

Slotted bushing
For tolerance compensation

Hexagon socket-head bolt, 22 Nm
For attaching vane pump bracket to crankcase

Hexagon socket-head bolt, 22 Nm
Attachment of vane pump to bracket at front

Vane pump bracket
Hexagon socket-head bolt, 22 Nm
When slackening off and tightening, provide support with pin wrench -3212-

Pulley
Sealing ring
Always replace

Banjo bolt, 50 Nm

Removing

Unclip and detach top engine cover -arrows-.

Remove ribbed belt cover -arrows-.

Unplug 5-pin connector at ignition coils in direction of arrow.
Unplug the three rear connectors -A- from the ignition coils.
Screw out the four bolts -arrows-.
Swivel ignition coil holder to rear.
Remove ribbed belt.

=> 6-cyl. Engine (5-valve), Mechanics; Repair Group 13; Servicing belt drive
6-cyl. Engine (5-valve), Mechanics
Servicing belt drive

Unscrew pulley of vane pump whilst providing support with gripping wrench if necessary.

Place drip tray in position.
Screw out hexagon bolt -arrow- for pressure pipe.
Pinch off suction hose with hose clamp -3094- immediately downstream of vane pump.

Screw out banjo bolt -2-.
Lay aside pressure pipe.
Seal off pressure pipe with a plastic bag or the like.

Unfasten clamp -1- and detach suction hose from vane pump.

Screw out bolts -arrows-.
Take out vane pump with bracket.
Screw vane pump bolts out of bracket and take out vane pump.

Installing

Fill vane pump with hydraulic fluid.

Pour in fluid at pump suction connection.

Turn hub by hand until fluid emerges from delivery end.

Clean areas in engine compartment contaminated with fluid.

Insert vane pump in bracket and tighten bolts -arrows-.
Tighten front bolts first and then rear bolt.

Attach suction hose and fit clamp -1-.
Mark -P- at suction hose must be aligned with seam at pump.
Fit new sealing rings on banjo bolt.

Position pressure pipe -2- on vane pump and tighten banjo bolt.
Detach hose clamps -3094-.
Install vane pump pulley.
Position ignition coils on vane pump bracket.

Fit and tighten bolts -arrows-.
5-pin connector is to be attached to ignition coils.
Attach ignition cables to ignition coils.

=> Motronic Injection and Ignition System (6-cyl.); Repair Group 28; Checking ignition system; Removing and installing ignition components
Motronic Injection and Ignition System (6-cyl.)
Checking ignition system
Removing and installing ignition components

Fit ribbed belt.

=> 6-cyl. Engine (5-valve), Mechanics; Repair Group 13; Servicing belt drive
6-cyl. Engine (5-valve), Mechanics
Servicing belt drive

When installing belt, make sure it is properly seated in pulleys.

Fit cover for ribbed belt.
Fit top engine cover.
Fill with hydraulic fluid G 002 000.
Start engine and check belt running.
Check hydraulic fluid level =>Page
48-55
.
Bleed steering system =>Page
48-57
.
Check steering system for leaks =>Page
48-59
.

Tightening torques => Page
48-122