NHTSA ID Number: 10203510
Manufacturer Communication Number: QRSB AUDI
A6 S6
TSB/Document Date: 2021-11-15
Summary
Quick reference specification book.
R8 V10 5.2 Spyder****
T= allroad Premium q
R8 V10 5.2 Spyder Manual
U= allroad Premium+ q
A5 Cab Prestige
R8 V8 4.2 Spyder Manual
V= allroad Prestige q
S5 Prestige q
S5 Cab Prestige q
Q5 TDI Prestige
SQ5 Prestige
Q7 TDI Prestige
R8 V10 5.2 Spyder****
W= A5 Prestige q S-Line
A5 Cab Prestige q
A7 Premium+ q
S7
RS7***
Q5 3.0T Prestige S-Line
Q5 TDI Presige S-Line
Q7 TDI Prestige S-Line
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2= A7 Prestige q
R8 V10 5.2 Plus Coupé
- Manual
3= S5 Man Prestige q
R8 V10 5.2 Plus Coupé
4= A5 Man Prest q
9= Allroad Premium q
TRU = Audi - Hungary: Pass. Car
WAU = Audi - Germany: Pass. Car
WA1 = Audi - Europe: Multi-Purpose
Vehicle (M.V.P)
WUA = quattro GmbH - Germany:
Pass. Car
A= A4 Premium
A5 Cab Premium
A8 Sedan
R8 V8 4.2 Coupé****
R8 V10 5.2 Coupé****
B= A4 Premium q
S4 Premium+q
TT/TTS/TTRS Cpé
Prem + quattro
C= A5 Premium q
A5 Cab Premium q
A6 2.0T Premium
S5 Premium+ q
S5 Cab Premium+ q
Q5 2.0T Premium
Q5 Hybrid Prestige
Q5 TDI Premium+
SQ5 Premium+
Q7 3.0T/TDI Prem
RS5 Cpé & Cab***
D= A4 Manual Prem q
S4 Manual Prem+
A6 2.0T Premium+
S8 Sedan
Q5 3.0T Premium+
Q5 TDI Prem.+ S-Line
Q7 3.0T Prest. S-Line
R8 V8 4.2 Coupé Manual
E= A4 Premium+
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F= A4 Premium+ q
A6 2.0T Premium q
A6 Premium+ q
S6
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G= A5 Manual Prem q
S5 Manual Prem+ q
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Model (7&8)
2014 Audi VIN Decoder
Series:
September 2013
Vehicle
Identification
Vehicle Data Label
The vehicle data label (Æ) is located on the left side
of the spare wheel well. The vehicle data label is
also in the customer’s maintenance booklet.
Audi A6/S6 Quick Reference Specification Book
•
September 2013
11
Sales Codes
Engine Codes
CAED
CTUA
CPNB
CEUC
2.0L 4-cylinder
3.0L 6-cylinder
3.0L 6-cylinder (TDI CR)
4.0L 8-cylinder
Transmission Codes
0AW
0BK
0B5
12
Continuously variable transmission
8-speed automatic transmission
S tronic transmission
Audi A6/S6 Quick Reference Specification Book
•
September 2013
Vehicle Lifting
Sales
Codes
Front and Rear Mounting Points
Vehicle
Lifting
Position the lift pads on the plastic mounts
(Æ) found on the underbody.
NOTE: The plastic mounts (Æ) are easy to locate because
there are arrow symbols stamped into the side sill panel
(depending on the vehicle equipment level).
Audi A6/S6 Quick Reference Specification Book
•
September 2013
13
Engine Mechanical – 2.0L CAED
General, Technical Data
Engine Number Location
The engine number (engine code and serial
number) (Æ) is located on the left side of the vehicle
where the engine/transmission are joined.
14
Audi A6/S6 Quick Reference Specification Book
•
September 2013
Engine Data
Code letters
Displacement
liter
Output
kW at RPM
Torque
Nm at RPM
Bore
Diameter in mm
Stroke
mm
Compression ratio
RON
Injection system/ignition system
Ignition sequence
Knock control
Turbocharger, Supercharger
Exhaust Gas Recirculation (EGR)
Variable intake manifold
Variable valve timing
Secondary Air Injection (AIR)
1)
CAEB
1.984
155 @ 6000
350 @ 1500
82.5
92.8
9.6
95 1)
FSI
1-3-4-2
Yes
Yes
No
No
Yes
No
Unleaded RON 91 is also permitted but performance is reduced.
Engine Assembly – 2.0L CAED
Fastener Tightening Specifications
Bolts and nuts
Engine mount 1)
Fastener
size
M6
M7
M8
M10
M12
-
Engine mount retaining plate
Engine support
Heat shield
Hydraulic line bracket nut
Retaining plate
Subframe-to-retaining plate
1)
-
Nm
9
15
20
40
60
90 plus an
additional 90°
(¼ turn)
20
40
10
9
20
55
Replace fastener(s).
Audi A6/S6 Quick Reference Specification Book
•
September 2013
15
Engine –
2.0L CAED
Component
Crankshaft, Cylinder Block – 2.0L CAED
Cylinder Block Bearing Shell Identification
The cylinder block bearing shell identification is
located either on the oil pan sealing surface or on the
top (transmission side) of the cylinder block.
16
Audi A6/S6 Quick Reference Specification Book
•
September 2013
The identification on the cylinder block is for the upper bearing shell.
Note the letter and match it to the color identification in the table.
Color of bearing
Black
Red
Yellow
Blue
White
Engine –
2.0L CAED
Letter on cylinder block
S
R
G
B
W
Audi A6/S6 Quick Reference Specification Book
•
September 2013
17
Bearing Cap Bearing Shell Identification
The identification on the crankshaft is for the lower bearing shell.
Note the letter and match it to the color identification in the table.
Letter on crankshaft
S
R
G
B
W
18
Color of bearing
Black
Red
Yellow
Blue
White
Audi A6/S6 Quick Reference Specification Book
•
September 2013
Fastener Tightening Specifications
Component
Connecting rod bearing cap 1)
Nm
45 plus an
additional 90°
(¼ turn)
60 plus an
additional 90°
(¼ turn)
27
20
10 plus an
additional 90°
(¼ turn)
150 plus an
additional 90°
(¼ turn)
Drive plate 1)
Pressure relief valve
Ribbed belt tensioning damper
Sensor wheel 1)
Vibration damper 1)
1)
Replace fastener(s).
Crankshaft Dimensions
Reconditioning
dimension in mm 1)
Basic dimension
1)
Crankshaft bearing
pin diameter
58.00
Connecting rod
bearing pin diameter
47.80
The preparation of worn crankshafts is not provided.
Piston Ring End Gaps
Piston ring
dimensions in mm
Compression ring
New
Wear limit
0.20 to 0.40
0.80
Oil scraping ring
0.25 to 0.50
0.80
Piston Ring Clearance
New
Wear limit
0.06 to 0.09
0.20
0.03 to 0.06
0.15
Cannot be measured
Engine –
2.0L CAED
Piston ring
dimensions in mm
1st compression ring
2nd compression ring
Oil scraping rings
Piston and Cylinder Dimensions
Honing dimension
in mm
Basic dimension
1)
Piston diameter
Cylinder bore
diameter
82.51
82.465 1)
Measurements without graphite coating (thickness = 0.02 mm). The graphite
coating wears off.
Audi A6/S6 Quick Reference Specification Book
•
September 2013
19
Accessory Assembly Bracket
Tightening Specifications
Step
1
2
3
20
Component
Tighten bolts 1 through 5 in sequence
Tighten bolts 1 through 5 in sequence
Tighten bolts 1 through 5 in sequence
Audi A6/S6 Quick Reference Specification Book
Nm
Hand-tighten
20
an additional
90° (¼ turn)
•
September 2013
Sealing Flange Tightening Specifications
Component
Tighten bolts 1 through 8 in sequence
Tighten bolts 1 through 8 in sequence
Nm
Hand-tighten
9
Engine –
2.0L CAED
Step
1
2
Audi A6/S6 Quick Reference Specification Book
•
September 2013
21
Crankshaft Assembly Tightening Specifications
Step
1
2
3
4
5
22
Component
Tighten bolts 1 through 10 and A in sequence
Tighten bolts 1 through 10 in sequence
Tighten bolts 1 through 10 in sequence
Nm
Hand-tighten
65
an additional
90° (¼ turn)
20
an additional
90° (¼ turn)
Tighten bolts A
Tighten bolts A
Audi A6/S6 Quick Reference Specification Book
•
September 2013
Cylinder Head, Valvetrain – 2.0L CAED
Fastener Tightening Specifications
Component
Balance shaft timing chain guide rail
Bearing bracket 1) 3)
Nm
20
9
20 plus an
additional 90°
(¼ turn)
5
5
9
20
9
85
35
9
20
9
9
9
5
20
20
20
25
Bolt with ball head for the engine cover bolt
Camshaft adjuster actuator
Camshaft Position (CMP) sensor
Camshaft timing chain guide rail guide pins
Chain tensioner 4)
Chain tensioner 2)
Control valve
Exhaust side balance shaft 1)
Heat shield
Intake side balance shaft 1)
Oil dipstick guide tube
Retaining plate
Sealing plugs with ball head for the engine cover
Timing chain guide rail
Timing chain tensioning rail
Timing chain tensioning rail guide pins
Transport bracket
1)
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TSB/Document ID: QRSB AUDI A6 S6
Replacement Service Bulletin Number:
MFR Communication Date: 2013-09-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
MFR Component System:
MFR Component Subsystem:
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