Audi A6 (C5) Repair Manual: 1998-2004 - Excerpt

A604_40.fm Page 13 Friday, October 10, 2008 10:59 AM

Front Suspension 40-13 Front Stabilizer Bar Front suspension control arms A60440008

½ Suspension arms are available separately or as a kit. Included in kit are: • Upper front control arms • Upper rear control arms • Stabilizer bar links • Lower rear control arms • Lower front control arms • Mounting hardware See Front suspension components diagrams in this repair group for suspension arm locations and torque specifications.

Suspension arm components A60440005 1. Lower front control arm (right) 2. Lower strut mount (right) 3. Stabilizer bar link (right) 4. Upper rear control arm (right) 5. Stabilizer bar mounting bracket 6. Upper rear control arm (left) 7. Stabilizer bar link (left) 8. Lower strut mount (left) 9. Lower front control arm (left) 10. Outer CV boot (right) 11. Lower rear control arm (right) 12. Axle flange (right) 13. Axle flange (left) 14. Lower rear control arm (left) 15. Outer CV boot (left)

FRONT STABILIZER BAR Front stabilizer bar, removing and installing – A60440020

Raise car and support safely. WARNING — • Make sure car is stable and well supported at all times. Use a professional automotive lift or jack stands designed for the purpose. A floor jack is not adequate support.

–

Remove engine lower cover. See 03 Maintenance.

½ Remove stabilizer link nut (A). 323

–

Remove stabilizer link from bar.

–

Unscrew mounting bracket nuts (B) and remove stabilizer.

A604_40.fm Page 14 Friday, October 10, 2008 10:59 AM

40-14

Front Suspension

Front Stabilizer Bar –

Installation is reverse of removal. Remember to: • Match stabilizer bar to suspension version. • Mount bushing and stabilizer bar without grease. • Attach stabilizer bar links. See Front stabilizer bar links in this repair group. Tightening torque Stabilizer bar bracket to chassis (replace nuts)

Front stabilizer bar links

6

A40-0266

From model year 1999, stabilizer bar link with bonded rubber bushings replaces unit with ball joints.

1

5

4

Link with ball joint

3

2 A40-0266

A40-0269

7

5 A

1.

Link with ball joint

2.

Lower front control arm

3.

Self-locking nut, 40 Nm (30 ft-lb) plus additional 90°

4.

Clip

5.

Self-locking nut, 100 Nm (74 ft-lb)

6.

Stabilizer bar

Link with bonded rubber bushings

1 2

6

25 Nm (18 ft-lb)

3 4

1.

Link with rubber bushing (rubber bushing (A) with pressed-on spacer is bolted to stabilizer)

2.

Self-locking nut, 40 Nm (30 ft-lb) plus additional 90° turn

3.

Bolt

4.

Lower front control arm

5.

Bolt

6.

Self-locking nut, 60 Nm (44 ft-lb)

7.

Stabilizer bar

A40-0269

A

A40-0268

B

½ Link (A) for left side of vehicle –

Link (B) for right side of vehicle

–

Arrow on link points in direction of travel.

–

Place fixed spacer (1) on stabilizer. CAUTION— • To avoid damage, bonded rubber bushings may only be flexed to a limited extent. Tighten suspension bushing bolts with vehicle in curb weight position. See Curb weight position in this repair group.

1 A40-0268

324

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BentleyPublishers .com

Audi A6 Service Manual: 1998-2004 includes A6, allroad quattro, S6, RS6

Bentley Publishers is proud to announce the publication of the Audi A6 Service Manual: 1998–2004. This repair manual covers the 1998 through 2004 model year A6 and S6 models built on the Audi “C5” platform.

Price: $99.95 Bentley Stock Number: A604 Publication Date: 2006.oct.13 ISBN-10: 0-8376-1499-6 ISBN-13: 978-0-8376-1499-1 Audi of America Lit. No. W42 AUDIA69804SM Softcover, 8 3/8 in. x 11 in. Case quantity: 5 964 pages, 1772 photos, illustrations and diagrams Includes a 32 page color Audi A6 Familiarization section

The do-it-yourself Audi owner will find this manual indispensable as a source of detailed maintenance and repair information. Even if you have no intention of working on your car, you will find that reading and owning this manual makes it possible to discuss repairs more intelligently with a professional technician. Features: • Maintenance procedures from changing the oil to replacing the dust and pollen filter. This manual tells you what to do and how and when to do it. • Step-by-step engine timing belt service. • Cylinder head cover and crankshaft seal replacement. • Cooling system filling and bleeding, coolant pump replacement and engine cooling fan and radiator service. • Fuel injection and ignition system diagrams and explanations, including three different Bosch Motronic engine management systems. • Clutch, flywheel and rear main seal service. • Suspension component replacement, including front struts, rear shocks, coil springs, wheel bearings and wheels. • Multi-link front suspension repair procedures, including stabilizer bar link, control arm and axle boot replacement. • Brakes, steering and ABS maintenance, troubleshooting, and repair. • Heating and air-conditioning repair, including A/C component replacement. • Body, hood and sunroof repairs and adjustments. • Electrical system service, with an easy-to-use illustrated component locator section. • Wiring schematics for selected models, including power distribution and grounds. Bentley repair manuals provide the highest level of clarity and comprehensiveness for service and repair procedures. If you’re looking for better understanding of your C5 platform Audi A6 or S6, look no further than Bentley.

Bentley technical editors photographing axle boot replacement.

Step-by-step front suspension component replacement. 40 Front Suspension

Engines covered: • 1998 - 2001 2.8 liter V6 (AHA, ATQ) • 1999 - 2004 4.2 liter V8 (ART, AWN, BBD) • 2000 - 2004 2.7 liter V6 biturbo (APB, BEL) • 2002 - 2004 3.0 liter V6 (AVK) • 2003 - 2004 4.2 liter V8 (BAS) • 2003 - 2004 4.2 liter V8 biturbo (BCY) Transmissions covered: • 5-speed manual AWD (01A) • 6-speed manual AWD (01E) • 5-speed automatic AWD (1L) • 5-speed automatic FWD or AWD (1V) • Continuously variable transmission (CVT) FWD (01J)

Bentley Publishers, 1734 Massachusetts Avenue, Cambridge, MA 02138-1804 USA Tel: 617-547-4170 • Toll Free: 800-423-4595 • Fax: 617-876-9235 http://www.bentleypublishers.com/contact-sales