audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Removing and installing vane pump (vehicles with 6-cyl. 2-valve petrol engine) > < General information
Running gear, Front-wheel drive and four-wheel drive
Removing and installing vane pump
Removing and installing vane pump (vehicles with 4-cyl. engines)
  • ‒ Pay attention to general information .

Special tools and workshop equipment required

  • ◆ 3094 Hose clamps
  • ◆ 3204 Mandrel
  • ◆ 3369 Front end service positioner
  • ◆ V.A.G 1275 Hose clamp pliers
  • ◆ V.A.G 1331 Torque wrench
  • ◆ V.A.G 1332 Torque wrench
  • ◆ V.A.G 1590 Gripping wrench
 
S48-0221

Exploded view

Notes:

  • ◆ Replace sealing rings.
  • ◆ Do not re-use hydraulic fluid drained off.
  • ◆ Hydraulic fluid: Part no. G 002 000
  • Vane pump bracket
    • ◆ Assignment

=> Parts List

  • Hexagon socket-head bolt, 20Nm
    • ◆ For attaching vane pump to bracket
  • Sealing rings
    • ◆ Diameter 16 x 22
    • ◆ Always replace
  • Banjo bolt, 50 Nm
  • Pressure pipe
 
S48-0221
  • Suction hose
    • ◆ Mark -P- must be aligned with seam at pump
  • Clamp
    • ◆ Tension using V.A.G 1275
    • ◆ Always replace
  • Vane pump
    • ◆ Fill with fluid before installing =>Note, Page 48-62
    • ◆ Removing and installing
      => Page 48-104
    • ◆ Checking delivery pressure
      => Page 48-85
  • Pulley
    • ◆ Provide support with gripping wrench V.A.G 1590 when slackening off and tightening
  • Hexagon socket-head bolt, 25Nm
  • Ribbed belt
  • Hexagon socket-head bolt, 20Nm

Removing

  • ‒ Remove bumper.

=> General Body Repairs, Exterior; Repair Group 63; Front Bumper

  • ‒ Move lock carrier to service position.

=> General Body Repairs, Exterior; Repair Group 50; Front Body

  • ‒ Remove noise insulation.
  • ‒ Remove ribbed belt.

=> Engine, Mechanics; Repair Group 13; Dismantling and assembling engine

This operation only applies to vehicles with 4-cyl. petrol engines

 
N48-0256
  • ‒ Unscrew V-belt pulley of coolant pump.

=> 4-cyl. Engine, Mechanics; Repair Group 19; Removing and installing cooling system components

  • ‒ Detach V-belt.
  • ‒ → Unscrew vane pump pulley.

It may be necessary to file down corners of gripping wrench -V.A.G 1590-.

 
A48-0054

All vehicles with 4-cyl. engines (continued)

  • ‒ → Pinch off suction and return pipe with hose clamps -3094-.
  • ‒ Place drip tray in position.

 
A48-0071

This operation only applies to vehicles up to MY '97

  • ‒ → Detach hose clamp -1- from suction pipe.
  • ‒ Detach suction pipe, press out of retainer and lay aside.
  • ‒ Unscrew pressure hose -2- (22 mm).
    • ‒ Seal off pressure pipe with a plastic bag or the like.
 
A48-0158

This operation only applies to vehicles as of MY '97 with new vane pump

  • ‒ → Detach hose clamp from suction pipe -1-.
  • ‒ Detach and lay aside suction pipe.
  • ‒ Unscrew expansion hose -2-.
    • ‒ Seal off pressure pipe with a plastic bag or the like.

 
A48-0072

All vehicles with 4-cyl. engines (continued)

  • ‒ → Unscrew hexagon bolts -1- and hexagon socket-head bolt -2-.
  • ‒ Take out pump.

Installing

  • ‒ Fill vane pump with hydraulic fluid.
  • Pour in fluid at pump suction connection.
 
A48-0072
  • ‒ Turn hub by hand until fluid emerges from delivery end.
  • ◆ Clean areas in engine compartment contaminated with fluid.
  • ‒ Install vane pump.
  • ‒ → Tighten bolts -1- and -2- to 20 Nm.

 
A48-0071

This operation only applies to vehicles up to MY '97

  • ‒ Fit new sealing rings on banjo bolt.
  • ‒ → Tighten banjo bolt for pressure hose -2- to 50 Nm.
  • ‒ Fit suction pipe.
 
A48-0158

This operation only applies to vehicles as of MY '97 with new vane pump

  • ‒ Fit new sealing rings on banjo bolt.
  • ‒ → Tighten banjo bolt for pressure hose -2- to 50 Nm.
  • ‒ Fit suction hose -1-.
  • ‒ Mark -P- at suction hose must be aligned with seam at pump.

All vehicles with 4-cyl. engines (continued)

  • ‒ Detach hose clamps -3094-.
 
A10-0016
  • ‒ → Tighten hexagon socket-head bolts of pulleys for coolant/vane pump to 25 Nm.
  • ‒ Fit impeller at viscous fan coupling (10 Nm).
  • ‒ Fit ribbed belt.

=> Engine, Mechanics; Repair Group 13; Dismantling and assembling engine

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

  • ‒ Attach lock carrier.

=> General Body Repairs, Exterior; Repair Group 50; Front Body; Lock carrier service position

  • ‒ Fit bumper.
  • ‒ Install noise insulation.
  • ‒ Fill with hydraulic fluid G 002 000.
  • ‒ Start engine and check belt running.
  • ‒ Check hydraulic fluid level .
  • ‒ Bleed steering system .
  • ‒ Check steering system for leaks .

Removing and installing vane pump (vehicles with 6-cyl. 2-valve petrol engine) > < General information