Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI2009A6 BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 31 (REAR FINAL DRIVE)
2009 Audi A6 Base
Section 31 (Rear Final Drive)
2009 Audi A6 BaseSECTION Section 31 (Rear Final Drive)
WARNING: This page does not describe the selected car, but rather 17 other vehicles, including the 2009 Audi S4, 2009 Audi A4, 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
- 00 General, Technical data
- Rear final drive identification
- Code letters, transmission ratios, capacities
- Allocation of mechanical units: 5-speed Manual Transmission 01A AWD
- Allocation of mechanical units: 6-speed Manual Transmission 01E, AWD
- Allocation of mechanical units: 6-speed Manual Transmission 02X, AWD
- Allocation of mechanical units: 6-speed Manual Transmission 0A3, AWD
- Allocation of mechanical units: Automatic Transmission 01V FWD and AWD
- Allocation of mechanical units: Automatic Gearbox 09L, AWD
- Transmission layout
- Repair instructions
- 39 Final drive, Differential
- Drive shaft, servicing
- Gear oil level in rear final drive, checking
- Flange shaft oil seals, replacing
- Drive shaft flange seal, replacing
- Rear final drive, removing and installing
- Rear final drive, disassembling and assembling
- Differential, removing and installing
- Differential, disassembling and assembling
- Differential, disassembling and assembling
- Notes
- Driving small taper roller bearing outer race out of cover
- Pressing in taper roller bearing outer race small until stop into housing
- Pulling off inner race for small taper roller bearing
- Pressing on small taper roller bearing inner race
- Pulling off inner race for large taper roller bearing
- Pressing on large taper roller bearing inner race
- Driving out outer race for large taper roller bearing out of cover
- Pressing in outer race for large taper roller bearing into cover
- Driving ring gear off housing
- Installing ring gear
- Installing small bevel gears
- Adjusting differential bevel gears
- Differential, disassembling and assembling
- Drive pinion, removing and installing and disassembling and assembling
- Drive pinion, removing and installing and disassembling and assembling
- Notes
- Removing nut for drive pinion
- Pulling flange for drive shaft off drive pinion
- Pulling out seal for flange for drive shaft
- Pressing drive pinion out of inner race for small taper roller bearing
- Pulling out small taper roller bearing outer race
- Driving out outer race for large taper roller bearing
- Pressing inner race for large taper roller bearing off drive pinion
- Pressing inner race for large taper roller bearing onto drive pinion
- Pulling in outer race for large taper roller bearing
- Pressing in small taper roller bearing outer race
- Pressing on small taper roller bearing inner race
- Inserting O-ring
- Tapping in seal for flange for drive shaft
- Installing flange
- Tighten nut for drive pinion and adjusting friction torque
- Measuring frictional torque
- Drive pinion, removing and installing and disassembling and assembling
- Drive pinion and ring gear, adjusting
- Drive pinion and ring gear, adjusting
- Gear sets, adjusting and marking
- Position of shims
- Adjustment overview
- Final drive, readjustment sequence
- Drive pinion, adjusting
- Ring gear, adjusting
- Notes
- Determining total shim thickness "Stotal" for shims "S1" + "S2"
- Determine "Stotal" (S1 + S2)
- Determining thickness of shim "S1*"
- Measuring frictional torque (check)
- Adjusting backlash
- Determining average backlash
- Determining thickness of shim "S2"
- The following shims are available for "S2"
- Determining thickness of shim "S1"
- The following shims are available for "S1"
- Check measurement
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.