2013 Audi VIN Decoder

Series:

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November 2012

Sales Codes
Engine Codes
CAEB
CCBA
CAUA

2.0L 4-cylinder
3.0L 6-cylinder
4.2L 8-cylinder

Transmission Codes
Continuously variable transmission
6-speed manual transmission
7-speed direct shift automatic transmission
8-speed automatic transmission
Continuously variable transmission

Sales
Codes

0AW
0B2, 0B4
0B5
0BK
0AW

Audi A5/S5 Quick Reference Specification Book

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November 2012

11

Vehicle Lifting
Hoist and Floor Jack Lifting Points

Front: At the side member vertical reinforcement area.
The marking is for the onboard vehicle jack.

Rear: At the side member vertical reinforcement area.
The marking is for the onboard vehicle jack.

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Audi A5/S5 Quick Reference Specification Book

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November 2012

Engine Mechanical – 2.0L
CAEB, CPMA
General, Technical Data
Engine Number Location

Engines –
2.0L CAEB, CPMA

Vehicle
Lifting

The engine number (engine code and serial number) (Æ)
is located on the left side of the vehicle where
the engine/transmission are joined.

Audi A5/S5 Quick Reference Specification Book

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November 2012

13

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.

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Audi A5/S5 Quick Reference Specification Book

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November 2012

Engine Assembly – 2.0L CAEB, CPMA
Fastener Tightening Specifications
Component
Bolts and nuts

Engine mount 1)

Fastener
size
M6
M8
M10
M12
-

Engine mount retaining plate
Engine support
Heat shield-to-engine support
Hydraulic line bracket nut
Subframe-to-engine mount

9
20
40
60
90 plus an
additional 90°
(¼ turn)
20
40
10
9
55

Replace fastener(s).

Engines –
2.0L CAEB, CPMA

1)

-

Nm

Audi A5/S5 Quick Reference Specification Book

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November 2012

15

Crankshaft, Cylinder Block – 2.0L CAEB,
CPMA
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.

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Audi A5/S5 Quick Reference Specification Book

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November 2012

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

Engines –
2.0L CAEB, CPMA

Letter on cylinder block
S
R
G
B
W

Audi A5/S5 Quick Reference Specification Book

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November 2012

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 A5/S5 Quick Reference Specification Book

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November 2012

Fastener Tightening Specifications
Component
Connecting rod bearing cap-to-connecting rod 1)
Drive plate-to-crankshaft 1)
Idler roller-to-auxiliary components bracket
Pressure relief valve
Sensor wheel-to-crankcase 1)
Ribbed belt tensioning damper-to-auxiliary components
bracket
Vibration damper-to-crankshaft 1)

1)

Nm
45 plus an
additional 90°
(¼ turn)
60 plus an
additional 90°
(¼ turn)
20
27
10 plus an
additional 90°
(¼ turn)
40
150 plus an
additional 90°
(¼ turn)

Replace fastener(s).

Crankshaft Dimensions
Reconditioning
dimension in mm 1)
Basic dimension
1)

Crankshaft bearing pin Connecting rod bearing
diameter
pin diameter
58.00
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

Audi A5/S5 Quick Reference Specification Book

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November 2012

Engines –
2.0L CAEB, CPMA

Piston ring
dimensions in mm
1st compression ring
2nd compression ring
Oil scraping rings

19

Piston and Cylinder Dimensions
Honing dimension
in mm
Basic dimension
1)

Piston diameter

Cylinder bore diameter

82.465 1)

82.51

Measurements without graphite coating (thickness = 0.02 mm). The graphite
coating wears off.

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 A5/S5 Quick Reference Specification Book

Nm
Hand-tighten
20
an additional
90° (¼ turn)

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November 2012

Sealing Flange Tightening Specifications

Component
Tighten bolts 1 through 8 in sequence
Tighten bolts 1 through 8 in sequence

Nm
Hand- tighten
9

Engines –
2.0L CAEB, CPMA

Step
1
2

Audi A5/S5 Quick Reference Specification Book

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November 2012

21

Sealing Flange with 6 Bolts Tightening Specifications

Step
1
2

22

Component
Tighten bolts 1 through 6 in sequence
Tighten bolts 1 through 6 in sequence

Audi A5/S5 Quick Reference Specification Book

Nm
Hand- tighten
4 an additional
45° (⅛ turn)

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November 2012

Crankshaft Assembly Tightening Specifications

Step
1
2
3

Tighten bolts A
Tighten bolts A

Nm
Hand-tighten
65
an additional
90° (¼ turn)
20
an additional
90° (¼ turn)

Engines –
2.0L CAEB, CPMA

4
5

Component
Tighten bolts 1 through 10 and A in sequence
Tighten bolts 1 through 10 in sequence
Tighten bolts 1 through 10 in sequence

Audi A5/S5 Quick Reference Specification Book

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November 2012

23

Cylinder Head, Valvetrain – 2.0L CAEB,
CPMA
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
9
20
9
85
35

Camshaft adjuster actuator
Camshaft Position (CMP) sensor
Camshaft timing chain guide rail guide pins
Chain tensioner 4)
Chain tensioner 2)
Control valve-to-camshaft housing
Cylinder head with wrench clearance 1) 5)
Tighten in 3 stages:
• Tighten to 40 Nm
• Tighten 90° further using a rigid wrench.
• Tighten 90° further using a rigid wrench.
Tighten in 2 stages:
• Tighten to 8 Nm
• Tighten 90° further using a rigid wrench.
Exhaust side balance shaft 1)
Heat shield
Intake side balance shaft 1)
Mounting plate
Oil dipstick guide tube-to-timing chain cover
Plug with ball head for the engine cover
Sealing plugs with ball head for the engine cover
Sealing plugs with ball head for the engine cover
Timing chain tensioning rail
Timing chain tensioning rail guide pins
Transport bracket
1)
2)

3)

4)

5)

9
20
9
9
9
5
9
5
20
20
25

Replace fastener(s).
For bolt tightening clarification, refer to ElsaWeb, Balance Shaft Timing Chain
Overview, item 4.
For bolt tightening clarification, refer to ElsaWeb, Camshaft Timing Chain Overview,
items 5 and 7.
For bolt tightening clarification, refer to ElsaWeb, Camshaft Timing Chain Overview,
and item 2.
For bolt tightening clarification, refer to ElsaWeb, Cylinder Head Overview, with
Wrench Clearance“ items 4 and 6.

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Audi A5/S5 Quick Reference Specification Book

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November 2012

Valve Dimensions

Dimension
Diameter a
mm
Diameter b
mm
c
mm
α
∠°

Intake valve
33.85 ± 0.10
5.98 ± 0.01
104.0 ± 0.2
45

Exhaust valve
28.0 ± 0.1
5.96 ± 0.01
101.9 ± 0.2
45

NOTE: Intake and exhaust valves must not be
refaced by grinding. Only lapping is permitted.

Compression Pressures
New bar positive
pressure