Locking bolt
Oil dipstick guide tube
Oil drain plug
Oil level thermal sensor 1)
Oil pressure switch
Oil pump
Oil suction pipe
Oil supply line union nut
Suction line 2)
Wiring harness bracket
1)

Replace fastener(s).
For bolt tightening clarification, refer to ElsaWeb, Oil Pump, Oil Pan and Balance
Shaft Module Assembly Overview, items 2 and 4.

Engine –
2.0L CBEA

2)

Audi A3 Quick Reference Specification Book

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October 2012

31

Oil Pan Tightening Specifications

Step
1
2
3

32

Component
Tighten bolts 1 through 20 in sequence
Tighten bolts (Æ)
Tighten bolts 1 through 20 in sequence

Audi A3 Quick Reference Specification Book

Nm
5
40
15

•

October 2012

Step
1
2
3
4
5
1)

Component
Tighten bolts 1 through 8 in sequence 1)
Tighten bolts 1 through 8 in sequence
Tighten bolts 5 and 7
Tighten bolts 1, 2, 3, 4, 6 and 8
Tighten bolts 1 through 8 in sequence

Nm
Hand-tighten
8
13
20
an additional
90° (¼ turn)

Replace fastener(s).

Audi A3 Quick Reference Specification Book

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October 2012

33

Engine –
2.0L CBEA

Balance Shaft Assembly Tightening Specifications

Cooling System – 2.0L CBEA (TDI)
Fastener Tightening Specifications
Component
Connecting piece 3)
Connecting piece 2)
Connecting piece 5)
Coolant fan nut
Coolant line
Coolant pump
Engine pre-warmer clamp secured on the bracket
Exhaust Gas Recirculation (EGR) cooler pump bracket 1)

Nm
9
15
15
5
9
40
10
2.7
40
5
13
40
9
9
9
10
15

Fan rib
Front coolant line 4)
Left coolant line
Radiator
Right coolant line
Ventilation pipe
4/2-way valve with thermostat
1)

2)

3)

4)

5)

For bolt tightening clarification, refer to ElsaWeb, Coolant Pipes, Coolant
Temperature Sensors and Coolant Pump Assembly Overview, items 3 and 4.
For bolt tightening clarification, refer to ElsaWeb, Connection Diagram, Coolant
Hoses, item 19.
For bolt tightening clarification, refer to ElsaWeb, Coolant Pipes, Coolant
Temperature Sensors and Coolant Pump Assembly Overview, item 18.
For bolt tightening clarification, refer to ElsaWeb, Coolant Pipes, Coolant
Temperature Sensors and Coolant Pump Assembly Overview, items 27 and 28.
For bolt tightening clarification, refer to ElsaWeb, Coolant Pump and Coolant
Thermostat Assembly Overview, item 7.

34

Audi A3 Quick Reference Specification Book

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October 2012

Fuel Supply – 2.0L CBEA (TDI)
Fastener Tightening Specifications
Component
Accelerator pedal module
Brackets 2)

Nm
9
9
20
5
10
11
26
2
110

Filter housing cover
Fuel filter housing
Fuel tank 1)
Heat shield lock washer
Locking ring
1)

2)

For bolt tightening clarification, refer to ElsaWeb, Fuel Tank with Attachments
Assembly Overview, items 10 and 12.
For bolt tightening clarification, refer to ElsaWeb, Auxiliary Fuel Pump Assembly
Overview, items 2, 3, 4, 8, and 9.

Turbocharger – 2.0L CBEA (TDI)
Fastener Tightening Specifications

1)

Nm
9
5
7
20
23
23
20
23
20
8
9
5
15
10
22
60
23
8
8

Engine –
2.0L CBEA

Component
Air guide pipe
Charge Air Pressure/Intake Air Temperature (IAT) sensor
Clamp 1)
Connecting pipe nut
Control pipe1
Control wire
Exhaust Gas Recirculation (EGR) system filter hex stud
Exhaust Gas Recirculation (EGR) system filter nut
Heat shield
Intake scoop
Left air guide pipe
Mount
Oil return line
Oil supply line bracket
Oil supply line
Turbocharger banjo bolt brace 1)
Turbocharger nut 1)
Warm air collector plate
Wiring harness bracket
Replace fastener(s).

Audi A3 Quick Reference Specification Book

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October 2012

35

Exhaust System – 2.0L CBEA (TDI)
Fastener Tightening Specifications
Component
Bracket for the control pipe
Clamp 1) 3)

Nm
9
3.5
7
23
23
23
23
8
23
8
20
10

Clamping sleeve nut
Connecting pipe
Control pipe
Control pipe bracket nut
Exhaust Gas Recirculation (EGR) motor 2
Exhaust Gas Recirculation (EGR) system filter
Exhaust Gas Recirculation (EGR) system housing
Exhaust Gas Recirculation (EGR) temperature sensor
Exhaust Gas Recirculation (EGR) vacuum regulator
solenoid valve with Exhaust Gas Recirculation (EGR)
potentiometer
Exhaust Gas Temperature (EGT) sensor
Heat shield nut
Intake flap motor 2)
Particulate filter lower bracket nut
Particulate filter upper bracket
Particulate filter with catalytic converter
Pipe-to-Exhaust Gas Recirculation (EGR) cooler
Radiator
Rear cross member nut
Suspended mount
1)
2)

3)

45
9
10
23
23
23
20
8
23
23

Replace fastener(s).
For bolt tightening clarification, refer to ElsaWeb, EGR Vacuum Regulator solenoid
Valve and EGR Potentiometer Assembly Overview, items 10 and 11.
For bolt tightening clarification, refer to ElsaWeb, Particulate Filter and NOx
Absorption Catalytic Converter Assembly Overview, items 3, 5, and 10.

Ignition/Glow Plug System – 2.0L CBEA
(TDI)
Fastener Tightening Specification
Component
Glow plugs

36

Audi A3 Quick Reference Specification Book

Nm
17

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October 2012

Diesel Fuel Injection – 2.0L CBEA (TDI)
Fastener Tightening Specifications

Fuel high pressure pump short bolts
Fuel pressure regulator valve
Fuel pressure sensor
Fuel rail
Fuel return lines-to-fuel tank
Heated Oxygen Sensor (HO2S) with Oxygen Sensor
(O2S) heater
High pressure lines between the fuel rail and the injectors
High pressure line between the high pressure pump and
fuel rail
High pressure line connections
High pressure fuel pump hub nut
High pressure pump toothed belt gear
Injection unit cover
Intake manifold
Mass Air Flow (MAF) sensor
Oxygen Sensor (O2S) behind Three Way Catalytic
Converter (TWC)with Oxygen Sensor (O2S) 1 (behind
TWC) heater
Tensioning bracket nut
Throttle valve control module with throttle position sensor
1)

Nm
8
1.5
9
10
20
45
8
9
4.5
10
45
8
20 plus an
additional 180°
(½ turn)
20 plus an
additional 90°
(¼ turn)
80
100
22
10
50
25
10
25
95
20
5
8
1.5
50

Engine –
2.0L CBEA

Component
Air filter lower section
Air filter upper section
Bracket for the control wire nut
Camshaft Position (CMP) sensor
Connecting pipe-to-Exhaust Gas Recirculation (EGR)
cooler
Control wire attached to the exhaust
Differential pressure sensor
Differential pressure sensor bracket
Engine Speed (RPM) sensor
Exhaust Gas Recirculation (EGR) motor bolts
Exhaust Gas Temperature (EGT) sensor 1)
Exhaust pressure sensor 1
Fuel high pressure pump long bolts

10
10

Lubricate with hot bolt paste. Refer to the Electronic Parts Catalog (ETKA).

Audi A3 Quick Reference Specification Book

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October 2012

37

Engine Mechanical – 2.0L
CBFA, CCTA
General, Technical Data
Engine Number Location

The engine number (engine code and serial number)
is located at the front of the engine/transmission joint.
The engine code and serial number is also on a label
found on the toothed belt guard and data plates

Engine Data
Code letters
Displacement
liter
Output
kW at RPM
Torque
Nm at RPM
Bore
diameter mm
Stroke
mm
Compression ratio
RON
Fuel injection and ignition system
Ignition sequence
Knock control
Turbocharger
Exhaust Gas Recirculation (EGR)
Variable intake manifold
Variable valve timing
Secondary Air Injection (AIR)
1)

CBFA
1.984
147 @ 5000
280 @ 1700
82.5
92.8
10.3
98 1)
FSI
1-3-4-2
Yes
Yes
No
No
Yes
Yes

CCTA
1.984
147 @ 5000
280 @ 1700
82.5
92.8
9.6
98 1)
FSI
1-3-4-2
Yes
Yes
No
No
Yes
No

Unleaded RON 95 is also permissible, although with reduced power.

38

Audi A3 Quick Reference Specification Book

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October 2012

Fastener Tightening Specifications
Component
Bolts/nuts

Bracket-to-engine mount 1)

Fastener
size
M6
M7
M8
M10
M12
-

Engine mount 1) 2)

-

Engine support 1)

1)
2)

-

Nm
10
15
22
40
65
20 plus an
additional 90°
(¼ turn)
40  plus an
additional 90°
(¼ turn)
60 plus an
additional 90°
(¼ turn)
40 plus an
additional 180°
(½ turn)

Replace fastener(s).
For bolt tightening clarification, refer to ElsaWeb, Subframe Assembly Overview,
items 6, 10 and 11.

Audi A3 Quick Reference Specification Book

•

October 2012

39

Engine –
2.0L CBFA, CCTA

Engine Assembly – 2.0L CBFA, CCTA

S tronic Transmission to Engine
Tightening Specifications

Item
1, 3, 10
5
6, 7, 8
9
2, 4
A

40

Bolt
Nm
M12x55
80
M12x65