Power Steering Gear: Installing

2005 Audi A6 3.2 TSECTION Installing

Install in reverse order of removal. Note the following:

-- Install the steering gear from the left (a second technician is needed) until the connector can be connected.

Steering Gear with Separate Connector

Fig 1: Identifying Cable Tie And Harness Connector
GWWA48-10044Courtesy of AUDI OF AMERICA, LLC

-- Connect the connector -1- and secure it to the steering gear using a cable tie -2-, as illustrated.

If the steering gear was replaced, then the wiring harness connector must be adapted to the steering gear.

Steering Gear with Integrated Connector

Fig 2: Identifying Harness Connector
GWWA48-10029Courtesy of AUDI OF AMERICA, LLC

-- Connect the connector -arrow-.

Continuation for All Vehicles

-- Guide the steering gear to the right past the coolant hose which is located in the center of the engine compartment (a second technician is needed).

-- Position steering gear at plenum chamber (2nd mechanic needed).

NOTE:

Make sure the bolt threads and contact surfaces are free of oil and grease.

Installing -

Fig 3: Identifying Bolt Tightening Sequence
GWWA48-10046Courtesy of AUDI OF AMERICA, LLC

-- First install the bolts -1 and 3- by hand (a second technician is needed).

-- Then tighten the bolt -2- : 60 Nm + 90° turn.

-- Then tighten the bolt -1- : 90 Nm + 90° turn.

-- Then tighten the bolt -3- : 60 Nm + 90° turn.

-- Install the bracket -2- with the heating valves.

Fig 4: Identifying Dome Brace And Bracket
GWWA48-10043Courtesy of AUDI OF AMERICA, LLC

-- If equipped, install the dome brace -1-. Refer to TOWER BRACE .

WARNING:

The valve unit is flushed with coolant and can heat up to 120°.

-- Tighten the banjo bolt -2- with a bent open-end wrench, for example, Hazet 615. Note the installation position. Refer to POWER STEERING GEAR OVERVIEW .

Fig 5: Banjo Bolts & Steering Gear Bolt
GWWA48-0509Courtesy of AUDI OF AMERICA, LLC

-- Tighten the banjo bolt -1 -. Note the installation position. Refer to POWER STEERING GEAR OVERVIEW .

-- Insert the tie rod end into the wheel bearing housing as far as the stop.

NOTE:

Install the tie rod end by hand only into the wheel bearing housing -1-. Do not put stress on the tie rod end sealing washer -2-.

Fig 6: Identifying Steering Arm & Tie Rod Ball Joint Sealing Washer
GWWA40-0475Courtesy of AUDI OF AMERICA, LLC

-- Install threaded connection -2- and tighten nut.

Fig 7: Identifying Bolts
GWWA48-0517Courtesy of AUDI OF AMERICA, LLC

-- Install and fasten bolt -1-.

-- Remove the VAS6224 -2- from the steering gear.

Fig 8: Steering Centering
GWWA48-0002Courtesy of AUDI OF AMERICA, LLC

Steering gear in sectional view:

1 -Screw plug: 23 Nm

2 -Remove the VAS6224

3 -Steering rack

4 -Steering gear housing

-- Seal the steering gear using the locking bolt -1-.

-- Remove the 3094 from the suction and return lines.

Fig 9: Pinching Off Intake Line And Return Line Using Hose Clamps 3094
GWWA48-10038Courtesy of AUDI OF AMERICA, LLC

-- Coat the bulkhead boot contact surfaces with Universal Low-Temperature Grease.

-- Install the bulkhead boots -3- and seal -2- loosely onto the steering column.

Fig 10: Identifying Gasket, Bolt, And Bulkhead Boot
GWWA48-10052Courtesy of AUDI OF AMERICA, LLC

-- Bring the steering wheel into the center position, then mount the universal joint with the bulkhead boot and seal onto the steering pinion.

-- Tighten the bolt -1- for the universal joint.

-- Mount the bulkhead boot -3- onto the drive gear and insert it into the plenum chamber bulkhead.

-- Install the seal -2- in the bulkhead boot -3-.

NOTE:

The markings -arrow A and arrow B- must point vertically downward.

-- Bleed the steering. Refer to STEERING, BLEEDING AFTER REPLACING .

-- Check power steering fluid level. Refer to POWER STEERING FLUID, CHECKING .

-- Check the steering for leaks. Refer to STEERING SYSTEM, CHECKING FOR LEAKS .

-- Install the trim -arrow- in the left and right wheel housings with an expansion rivet -1-.

Fig 11: Identifying Expanding Rivet, Nut, And Trim
GWWA48-10037Courtesy of AUDI OF AMERICA, LLC

-- Tighten the nut -2- to 2 Nm.

-- Install the cable guide in the wheel housing.

-- Install the steering gear heat shield -2-.

Fig 12: Identifying Heat Shield And Nut
GWWA48-10036Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolt -4- and nuts -3- for the steering gear heat shield -2- to 2 Nm.

-- Install the engine cover and the coolant reservoir.

-- Install the noise insulation under the engine.

-- Install the front wheel housing liners. Refer to Removal and Installation .

-- Mount wheels and tighten. Refer to WHEEL BOLTS TIGHTENING .

-- Place vehicle on wheels. Refer to POSITIONING VEHICLE ON HOIST AND WHEELS .

-- Install the driver side storage compartment. Refer to FRONT CENTER ARMREST STORAGE COMPARTMENT .

-- Bleed the steering. Refer to STEERING, BLEEDING AFTER REPLACING .

-- Check power steering fluid level. Refer to POWER STEERING FLUID, CHECKING .

-- Check the steering for leaks. Refer to STEERING SYSTEM, CHECKING FOR LEAKS .

-- Perform an axle alignment. Refer to WHEEL ALIGNMENT .

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.