NHTSA ID Number: 10073849
Manufacturer Communication Number: 2013 A6/S6
TSB/Document Date: 2016-06-22
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TSB/Document ID: 2013 A6/S6
Replacement Service Bulletin Number:
MFR Communication Date: 2012-12-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
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2013
A6/S6
Quick Reference
Specification Book
2013 Audi
A6/S6
Quick Reference Specification Book
Table of Contents
General Information....................................................... 1
Decimal and Metric Equivalents............................................1
Tightening Torque..................................................................2
Warnings and Cautions.........................................................4
Vehicle Identification...................................................... 9
Vehicle Identification Number (VIN) Location...........................9
VIN Decoder...........................................................................10
Vehicle Data Label.................................................................. 11
Sales Codes.................................................................. 12
Engine Codes.........................................................................12
Transmission Codes...............................................................12
Vehicle Lifting............................................................... 13
Front and Rear Mounting Points.............................................13
ENGINES
Engine Mechanical – 2.0L CAEB................................. 14
General, Technical Data .....................................................14
Engine Number Location........................................................14
Engine Data............................................................................15
Engine Assembly – 2.0L CAEB...........................................15
Fastener Tightening Specifications.........................................15
Crankshaft, Cylinder Block – 2.0L CAEB............................16
Cylinder Block Bearing Shell Identification.............................16
Bearing Cap Bearing Shell Identification................................18
Fastener Tightening Specifications.........................................19
Crankshaft Dimensions..........................................................19
Piston Ring End Gaps............................................................19
Piston Ring Clearance............................................................19
Piston and Cylinder Dimensions.............................................19
Accessory Assembly Bracket Tightening Specifications.........20
Sealing Flange Tightening Specifications...............................21
Crankshaft Assembly Tightening Specifications.....................22
Cylinder Head, Valvetrain – 2.0L CAEB..............................23
Fastener Tightening Specifications.........................................23
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A6/S6 Quick Reference Specification Book
•
December 2012
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Valve Dimensions...................................................................24
Compression Pressures.........................................................24
Cylinder Head Removal Specifications..................................25
Cylinder Head Tightening Specifications................................26
Cylinder Head Cover Removal Specifications........................27
Cylinder Head Cover Tightening Specifications.....................28
Crankcase Ventilation Tightening Specification......................29
Upper Timing Chain Cover Tightening Specification..............29
Lower Timing Chain Cover Tightening Specifications............30
Lubrication – 2.0L CAEB.....................................................31
Fastener Tightening Specifications.........................................31
Upper Oil Pan Tightening Specifications................................31
Oil Pan Tightening Specifications...........................................32
Oil Separator Tightening Specification...................................32
Cooling System – 2.0L CAEB..............................................33
Fastener Tightening Specifications.........................................33
Coolant Pump Tightening Specification..................................34
Fuel Supply – 2.0L CAEB....................................................35
Fastener Tightening Specifications.........................................35
Turbocharger, G-Charger – 2.0L CAEB...............................36
Fastener Tightening Specifications.........................................36
Turbocharger Tightening Specifications.................................37
Exhaust System – 2.0L CAEB.............................................38
Fastener Tightening Specifications.........................................38
Fuel Injection and Ignition – 2.0L CAEB..............................39
Technical Data........................................................................39
Fastener Tightening Specifications.........................................39
Engine Mechanical – 3.0L CTUA................................. 40
General, Technical Data......................................................40
Engine Number Location........................................................40
Engine Data............................................................................41
Engine Assembly – 3.0L CTUA...........................................42
Fastener Tightening Specifications.........................................42
Crankshaft, Cylinder Block – 3.0L CTUA.............................43
Allocation of Crankshaft Bearing Shells for Cylinder Block....43
Allocation of Crankshaft Bearing Shells for Guide Frame......44
Fastener Tightening Specifications.........................................45
Ribbed Belt Sealing Flange Tightening Specification.............46
Guide Frame Tightening Specifications..................................47
Crankshaft Dimensions..........................................................48
Piston Ring End Gaps............................................................48
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A6/S6 Quick Reference Specification Book
•
December 2012
Piston Ring Clearance............................................................48
Piston and Cylinder Dimensions.............................................48
Cylinder Head, Valvetrain – 3.0L CTUA...............................49
Fastener Tightening Specifications.........................................49
Compression Checking Specifications...................................50
Valve Dimensions...................................................................51
Left Timing Chain Cover Tightening Specifications................52
Right Timing Chain Cover Tightening Specifications..............53
Lower Timing Chain Cover Tightening Specifications............54
Cylinder Head Tightening Specifications................................55
Camshaft Guide Frame Tightening Specifications.................56
Left Cylinder Head Cover Tightening Specification................57
Right Cylinder Head Cover Tightening Specification..............58
Lubrication – 3.0L CTUA.....................................................59
Fastener Tightening Specifications.........................................59
Upper Oil Pan Tightening Specifications................................60
Oil Pan Tightening Specifications...........................................61
Cooling System – 3.0L CTUA..............................................62
Fastener Tightening Specifications.........................................62
Coolant Pump Tightening Specification..................................63
Fuel Supply – 3.0L CTUA....................................................64
Fastener Tightening Specifications.........................................64
Turbocharger, G-Charger – 3.0L CTUA...............................64
Fastener Tightening Specifications.........................................64
Exhaust System, Emission Controls – 3.0L CTUA..............65
Fastener Tightening Specifications.........................................65
Left Exhaust Manifold Tightening Specifications....................66
Right Exhaust Manifold Tightening Specifications..................67
Multiport Fuel Injection – 3.0L CTUA...................................68
Technical Data........................................................................68
Fastener Tightening Specifications.........................................68
Lower Intake Manifold Tightening Specifications....................69
Control Valve Control Module Tightening Specifications .......70
Ignition – 3.0L CTUA...........................................................71
Technical Data........................................................................71
Fastener Tightening Specifications.........................................71
Engine Mechanical – 4.0L CEUC ................................ 72
General, Technical Data......................................................72
Engine Number Location........................................................72
Engine Data............................................................................73
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A6/S6 Quick Reference Specification Book
•
December 2012
iii
Engine Assembly – 4.0L CEUC...........................................74
Fastener Tightening Specifications.........................................74
Crankshaft, Cylinder Block – 4.0L CEUC............................75
Allocation of Crankshaft Bearing Shells for Guide Frame......75
Allocation of Crankshaft Bearing Shells for Guide Frame......76
Fastener Tightening Specifications.........................................77
Vibration Damper, Tightening Specification ...........................77
Baffle Plate Tightening Specification......................................78
Guide Frame Tightening Specifications..................................79
Spur Gear Unit Tightening Specifications...............................80
Crankshaft Dimensions..........................................................80
Piston Ring End Gaps............................................................81
Piston Ring Clearance............................................................81
Piston and Cylinder Dimensions.............................................81
Cylinder Head, Valvetrain – 4.0L CEUC..............................82
Fastener Tightening Specifications.........................................82
Compression Checking Specifications...................................82
Valve Dimensions...................................................................83
Left Timing Chain Cover Tightening Specifications................84
Right Timing Chain Cover Tightening Specifications..............85
Lower Timing Chain Cover Tightening Specifications............86
Cylinder Head Tightening Specifications................................87
Camshaft Guide Frame Tightening Specifications.................88
Lubrication – 4.0L CEUC.....................................................89
Fastener Tightening Specifications.........................................89
Upper Oil Pan Tightening Specifications................................90
Lower Oil Pan Tightening Specifications................................91
Oil Cooler Tightening Specifications.......................................92
Cooling System – 4.0L CEUC.............................................93
Fastener Tightening Specifications.........................................93
Fuel Supply – 4.0L CEUC...................................................94
Fastener Tightening Specifications.........................................94
Turbocharger, G-Charger – 4.0L CEUC..............................94
Fastener Tightening Specifications.........................................94
Left Turbocharger Tightening Specifications..........................95
Right Turbocharger Tightening Specifications........................96
Turbocharger Support Tightening Specifications....................97
Exhaust System, Emission Controls – 4.0L CEUC.............98
Fastener Tightening Specifications.........................................98
Multiport Fuel Injection – 4.0L CEUC..................................98
Technical Data........................................................................98
Fastener Tightening Specifications.........................................99
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Audi
A6/S6 Quick Reference Specification Book
•
December 2012
Ignition – 4.0L CEUC.........................................................100
Technical Data......................................................................100
Fastener Tightening Specifications.......................................100
TRANSMISSIONS
Automatic Transmission – Continuously Variable –
0AW.............................................................................. 101
General, Technical Data....................................................101
Transmission Identification...................................................101
Transmission Allocations, Ratios and Equipment.................102
Controls, Housing – 0AW..................................................102
Securing Transmission to 4-Cylinder Engine........................102
Fastener Tightening Specifications.......................................104
Gears, Hydraulic Controls – 0AW......................................105
Fastener Tightening Specifications.......................................105
Rear Final Drive, Differential – 0AW..................................105
Fastener Tightening Specifications.......................................105
Front Final Drive Cover Tightening Specifications................106
Automatic Transmission – 0BK................................ 107
General, Technical Data....................................................107
Transmission Identification...................................................107
Transmission Type Plate......................................................108
Code Letters, Transmission Allocations, Ratios and
Equipment......................................................................109
Controls, Housing – 0BK...................................................110
Securing Transmission to Engine......................................... 110
Fastener Tightening Specifications....................................... 111
Gears, Hydraulic Controls – 0BK....................................... 112
Fastener Tightening Specifications...................................... 112
Oil Pan Tightening Specifications......................................... 112
Mechatronic without Hydraulic Pulse Memory Tightening
Specification................................................................... 113
Mechatronic with Hydraulic Pulse Memory Tightening
Specifications................................................................. 114
Hydraulic Pulse Memory Tightening Specifications.............. 115
Rear Final Drive, Differential – 0BK................................... 116
Fastener Tightening Specifications....................................... 116
Front Final Drive Cover Tightening Specifications................ 116
Center Differential Housing Tightening Specifications.......... 117
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A6/S6 Quick Reference Specification Book
•
December 2012
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S tronic Transmission – 0B5......................................118
General, Technical Data....................................................118
Transmission Identification................................................... 118
Code Letters, Transmission Allocations, Ratios and
Equipment...................................................................... 119
Controls, Housing – 0B5....................................................120
Securing Transmission to Engine.........................................120
Fastener Tightening Specifications.......................................121
Gears, Shafts – 0B5..........................................................122
Fastener Tightening Specifications......................................122
Oil Pan Tightening Specifications.........................................123
Mechatronic Tightening Specification...................................124
Circuit Board 1 Tightening Specifications.............................125
Circuit Board 2 Tightening Specifications.............................126
Transmission Intermediate Housing Tightening
Specifications.................................................................127
Rear Final Drive, Differential – 0B5...................................128
Fastener Tightening Specifications.......................................128
Front Final Drive Cover Tightening Specifications................128
Center Differential Housing Tightening Specifications..........129
Rear Final Drive – 0BC............................................... 130
General, Technical Data....................................................130
Rear Final Drive Identification..............................................130
Rear Final Drive Transmission Allocations, Ratios,
Capacities......................................................................133
Fastener Tightening Specifications.......................................133
Driveshaft Tightening Specifications.....................................134
Rear Final Drive – 0BE, 0BF...................................... 135
General, Technical Data....................................................135
Rear Final Drive Identification..............................................135
Rear Final Drive Allocations, Ratios, Capacities..................137
Rear Final Drive, Differential – 0BE, 0BF..........................137
Fastener Tightening Specifications.......................................137
Driveshaft Tightening Specifications.....................................139
CHASSIS
Suspension, Wheels, Steering.................................. 140
General, Technical Data....................................................140
Chassis.................................................................................140
Steering................................................................................141
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A6/S6 Quick Reference Specification Book
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December 2012
Front Suspension..............................................................142
Fastener Tightening Specifications.......................................142
Rear Suspension...............................................................143
Fastener Tightening Specifications.......................................143
Self-Leveling Suspension..................................................145
Fastener Tightening Specifications.......................................145
Wheels, Tires.....................................................................145
Fastener Tightening Specifications.......................................145
Wheel Alignment Data.......................................................146
Wheel Alignment Specified Values – Sportback...................146
Wheel Alignment Specified Values – Sedan/Avant...............148
Steering.............................................................................151
Fastener Tightening Specifications.......................................151
Steering Column Tightening Specifications..........................152
Brake System.............................................................. 153
General, Technical Data....................................................153
Technical Data......................................................................153
Front Wheel Brakes – Technical Data..................................154
Rear Wheel Brakes – Technical Data...................................154
Anti-lock Brake System (ABS)...........................................155
Fastener Tightening Specifications.......................................155
Mechanical Components...................................................155
Fastener Tightening Specifications.......................................155
Hydraulic Components......................................................156
Hydraulic Tightening Specifications......................................156
Body............................................................................. 157
Air Gap Body Dimensions.................................................157
Front Gap Dimensions..........................................................157
Rear Gap Dimensions..........................................................158
Body Exterior.....................................................................159
Lock Carrier
, Plenum Chamber, Tower Brace Tightening
Specifications.................................................................159
Front Fender Tightening Specification..................................159
Front Hood Tightening Specifications...................................159
Rear Lid Tightening Specifications.......................................159
Door Tightening Specifications.............................................160
Front Bumper and Impact Member Tightening
Specifications.................................................................160
Rear Bumper and Impact Member Tightening
Specifications.................................................................161
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A6/S6 Quick Reference Specification Book
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December 2012
vii
Wheel Spoiler Tightening Specification................................161
Radiator Grille, Front Wheel Housing Liner Tightening
Specifications.................................................................161
Rear View Mirror Tightening Specifications..........................161
Strips and Trim Tightening Specifications.............................161
Sunroof Tightening Specification..........................................162
Body Interior......................................................................162
Storage Compartment, Center Console Tightening
Specifications.................................................................162
Instrument Panel and Central Tube Tightening
Specifications.................................................................162
Passenger Protection Tightening Specifications..................163
Interior Trim Tightening Specifications..................................163
Seat Frames Tightening Specifications................................164
Heating, Ventilation and Air Conditioning................ 165
Refrigerant Oil Distribution...................................................165
Refrigerant R134a Vapor Pressure Table.............................165
Fastener Tightening Specifications.......................................166
Electrical Equipment.................................................. 167
Communication Tightening Specifications............................167
Battery, Starter, Generator, Cruise Control Tightening
Specifications.................................................................168
Instruments Tightening Specifications..................................168
Windshield Wiper/Washer Tightening Specifications............168
Windshield Wiper Motor Tightening Specifications...............169
Washer Fluid Reservoir Tightening Specifications...............170
Exterior Lights, Switches Tightening Specifications.............171
Interior Lights, Switches Tightening Specifications...............171
Wiring Tightening Specifications...........................................172
Terminal 30 Wire Junction TV2 Tightening Specifications....172
Fuse Panel A Tightening Specifications................................173
Relay/Fuse Panel Inside Plenum Chamber E-Box
Tightening Specifications...............................................174
Relay Panel Under The Instrument Panel On
The Left Side Tightening Specifications.........................175
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A6/S6 Quick Reference Specification Book
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December 2012
DTC Chart.................................................................... 176
Engine Code CAEB...........................................................176
Fuel and Air Mixture, Additional Emissions Regulations.......176
Ignition System.....................................................................184
Additional Exhaust Regulation..............................................186
Speed and Idle Control.........................................................187
Control Module and Output Signals......................................188
Fuel and Air Ratios Control Module......................................191
Ignition System.....................................................................195
Additional Emissions Regulations........................................196
Transmission........................................................................197
DTC Chart.................................................................... 198
Engine Code CTUA...........................................................198
Fuel and Air Mixture, Additional Emissions Regulations.......198
Ignition System.....................................................................210
Additional Exhaust Regulation..............................................212
Speed and Idle Control.........................................................213
Control Module and Output Signals......................................214
Fuel and Air Ratios Control Module......................................216
Additional Emissions Regulations........................................220
DTC Chart.................................................................... 221
Engine Code CEUC...........................................................221
Fuel and Air Mixture, Additional Emissions Regulations.......221
Ignition System.....................................................................239
Additional Exhaust Regulation..............................................242
Speed and Idle Control.........................................................246
Control Module and Output Signals......................................247
Fuel and Air Ratios Control Module......................................250
Ignition System.....................................................................255
Additional Emissions Regulations........................................256
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A6/S6 Quick Reference Specification Book
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December 2012
ix
General Information
General
Information
Decimal and Metric Equivalents
Distance/Length
To calculate: mm x 0.03937 = in.
mm
0.002
0.004
0.006
0.008
0.010
0.020
0.030
0.040
0.050
0.060
0.070
0.080
0.090
0.100
0.200
0.300
0.400
0.500
0.600
0.700
0.800
0.900
1.000
2.000
3.000
4.000
5.000
6.000
7.000
8.000
9.000
- [2026 Top-Tier Hardware and Software Upgrade]: Topdon ArtiDiag900 Lite scanner has enhanced hardware and latest features, including Android 11.0, 5x faster CPU, 10000mAh battery for 12 hours of continuous operation, stable wireless diagnosis with Bluetooth 5.0, 8-inch touchscreen. Added bi-directional control, wireless diagnosis, battery testing (optional), and DTC repair guide
- [TOPDON Bidirectional Scan Tool]: This bidirectional obd2 scanner sends commands to the vehicle's ECU for active testing, enabling users to accurately and quickly locate faulty components such as injectors, coolant pumps, windows, wipers, headlights, mirrors, etc. The bidirectional control scanner is the ideal choice for workshops/automotive repair shops as it significantly reduces mechanic's diagnostic time.
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2010-2014 and expanding with continual updates,the AritDiag 900 Lite car diagnostic scanner is the must-have tool for any technician or DIY enthusiast. - [OE-Level Full System Diagnostics]:AritDiag900 Lite full system diagnostic scanner can scan ALL available modules(Engine, Transmission, Airbag, ABS, ESP, TPMS, Gateway, Steering, Radio, Air conditioning, ect.) to✔read ECU info, ✔read/clear codes, ✔view live data stream, ✔retrieves freeze-frame, ✔perform active tests, and more. With just a simple click, it provides you with accurate and in-depth diagnostics.
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- OE Topology Mapping: Visualize the vehicle’s ECU network exactly as it’s built.Zoom, pan, and highlight specific modules to pinpoint component issues with precision.Topology mapping displays real-time communication between modules
- Topfix AI Assistant: Covers 5 million plus fault codes and delivers instant causes, symptoms, and repair guidance with professional wiring diagrams for each code.Slashes diagnostic time, boosts first-time fix accuracy, and increases shop revenue
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- AI Assistant - TopFix: Think of TopFix as your personal AI mechanic. It leverages a repair database and OEM data to deliver clear, step-by-step repair solutions. Features include AI Q&A, one-click translation, and a full repair log, making your diagnostic process simpler and more efficient.
- 8+ Hot Resets, Keep Your Car in Top Shape: One-tap resets for oil, throttle, EPB, steering angle, DPF, ABS, BMS, and airbag. It enables car owners to easily perform essential maintenance, ensuring the vehicle stays in optimal condition and extends its service life.
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