Component
Central tube bolts and nuts 1)

1)

Nm
9
20
25

For bolt tightening clarification, refer to ElsaWeb, Central Tube.

Audi A3 Quick Reference Specification Book

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October 2012

101

Passenger Protection Tightening Specifications
Component
Airbag control module (J234) nuts
Battery interrupt igniter (N253) nuts
Belt anchor bolts 1)
Belt guide
Belt latch-to-seat (with bucket seat) 1)
Belt latch-to-seat (without bucket seat) 1)
Belt tensioner bolts
Driver side airbag unit on steering wheel bolts
Electrical wires to main fuses M6
Front side airbag bolts
Handle to steering column adjustment clamping lever
LATCH bracket bolts
Lower steering column trim to steering column switch
module
Passenger airbag nuts 1)
Rear belt anchor bolts 1)
Rear belt latch bolts 1)
Rear center 3-point seat belt latch hex nut1)
Rear center belt latch bolts1)
Rear side airbag bolts
Rear side bolt
Seat belt height adjust bolt
Seat belt relay bolt 1)
Seat belt-to-outer floor assembly anchorage point 1)
Seat Occupied Recognition Control Module -J706Side curtain bolts 1)
Side curtain nuts 1)
Steering Column Electronic Systems Control Module
-J527- to steering column switch module
Steering wheel nut 1)
Three-point seat belt bolts 1)
1)

Nm
8
15
55
8
22
20
55
7
9
10
3.5
7
3.5
9
55
55
55
55
2
8
21
50
55
3.5
5
9
0.4
50
50

Replace fastener(s).

102

Audi A3 Quick Reference Specification Book

•

October 2012

Interior Trim Tightening Specifications
Nm
1.2 - 3.5
2 - 4.5
1.8 - 4
1.8
1-2
2.5

Body

Component
A, B, C and D-pillar trim screws
Front and rear door trim bolts
Luggage compartment trim screws
Rear lid trim bolts
Rear shelf bolts
Sunshade bolts

Seat Frames Tightening Specifications
Component
Actuator lever bolts
Backrest frame bolts
Front and rear seat frame bolts 1)
Front backrest adjustment motor bolts
Front backrest self-locking bolts 1)
Rear seat center bracket bolt
Seat adjustment trim bolts
Seat angle adjustment motor bolt 1)
Seat angle adjustment motor screws
Seat height adjuster bolts
Seat release lever cover screws
Seat retaining plate bolts
Seat storage compartment bolts
Sill side trim screws
1)

Nm
4.5
22
40
9
34
15
2 – 3.5
28
10
8
2.5
12
0.5 – 3.5
0.5

Replace fastener(s).

Audi A3 Quick Reference Specification Book

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October 2012

103

Heating, Ventilation and Air
Conditioning
General, Technical Data
Component

Refrigerant Oil Distribution

Approximate % of total amount of oil in
component
50
10
10
20
10

A/C compressor
Condenser
Suction hose
Evaporator
Fluid reservoir

Refrigerant R134a Vapor Pressure Table

Temperature in °C
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
104

Pressure in Bar
(positive pressure) of R134a
-0.61
-0.49
-0.34
-0.16
0.06
0.32
0.63
1.00
1.43
1.92
2.49
3.13
3.90
4.70
5.63
6.70
7.83
9.10
10.54
12.11
13.83
15.72
17.79
20.05
22.52
25.21
28.14
31.34

Audi A3 Quick Reference Specification Book

•

October 2012

Air Conditioning
Fastener Tightening Specifications

1)

2)

Nm
25
6
5
20
35
30
17
7
25
4.5
12
2
10
10
2.5
8
30
10
10
15
15

Heating &
Air Conditioning

Component
A/C compressor
Auxiliary heater heating element
Condenser-to-radiator
Drive plate (Denso version 1)
Drive plate (Denso version 2)
Drive plate (Denso version 3)
Drive plate-to-shaft (Zexel/Valeo) 1)
Drive plate-to-pulley (Zexel/Valeo) 1)
Drive plate-to-shaft (Sanden)
Drive plate-to-pulley (Sanden version 1) 2)
Drive plate-to-pulley (Sanden version 2) 2)
Dryer cartridge sealing cap (Denso condenser)
Expansion valve
Fluid reservoir mounting
Heater core clamps
High pressure sensor
Oil drain plug (Denso compressor)
Oil drain plug (Sanden compressor)
Oil drain plug (Zexel compressor)
Oil drain plug (Delphi compressor)
Pressure relief valve (Delphi compressor with sealing
ring)
Pressure relief valve (Sanden compressor)
Pressure relief valve (Denso compressor)
Pressure relief valve (Zexel/Valeo compressor)
Refrigerant lines-to-compressor
Refrigerant lines-to-condenser
Refrigerant line connecting point
Refrigerant lines-to-expansion valve

14.5
10
10
25
10
10
10

For bolt tightening clarification, refer to ElsaWeb, A/C Compressor Belt Pulley,
Zexel/Valeo Overview.
For bolt tightening clarification, refer to ElsaWeb, A/C Compressor Belt Pulley,
Sanden.

Audi A3 Quick Reference Specification Book

•

October 2012

105

Electrical System
Communication Equipment
Fastener Tightening Specifications
Component
Amplifier screw
Amplifier with bass speaker in left luggage compartment
nut/screw
Antenna amplifier screw
Front interior light screw
Left antenna module nut/screw
Multifunction buttons-to-steering wheel screw (with two
blocks of buttons)
Speakers
- Bass speaker nut/screw
- Center mid/high range speaker screw
- Front mid/low range loudspeaker screw
- Rear midrange speaker screw
- Rear speaker screw
Telephone antenna nut
Telephone baseplate in center armrest bolt
Telephone baseplate-to-instrument panel bolt
Telephone/navigation system/auxiliary heater antenna
nut

106

Audi A3 Quick Reference Specification Book

Nm
4
5
2
3
6
1

5
1
2
2
2
6
1
2
6

•

October 2012

Electrical Equipment
Battery, Starter, Generator and Cruise
Control Tightening Specifications
Battery
Component
Battery bracket bolts
Battery cover-to-body
Battery terminal-to-battery pole
Battery-to-body
Ground wire-to-body

Nm
22
8
6
6
20

Nm

Electrical wires bracket
Ground cable-to-starter
Starter-to-manual transmission
Terminal B+-to-starter
2.0L TDI CR (CBEA)
Starter-to-transmission
Terminal B+-to-starter

23
23
80
16

Electrical
System

Starter
Component
2.0L TSFI (CBFA, CCTA)

40
15

Generator
Component
2.0L TSFI (CBFA, CCTA)
Generator-to-accessories bracket
Ribbed belt tensioner-to-accessories bracket
Terminal 30/B+-to-generator
2.0L TDI CR (CBEA)
Generator-to-accessories bracket
Terminal 30/B+-to-generator

Nm
23
23
16
23
16

InstrumentsTightening Specifications
Component
Cigarette lighter-to-center console
Horn-to-bracket
Instrument cluster-to-instrument panel
Lock carrier bracket
Longitudinal member bracket
Radio frequency controlled clock receiver-to-bumper
Signal horn and dual tone horn-to-bracket
Audi A3 Quick Reference Specification Book

•

October 2012

Nm
1.5
9
3.5
8
60
2.5
5
107

Windshield Wiper/Washer Tightening Specifications
Component
Wiper crank-to-wiper motor
Wiper frame-to-plenum chamber
Wiper motor-to-wiper frame
Rear window wiper arm nut
Rear window wiper motor-to-rear lid
Windshield washer fluid reservoir filler tube-to-wheel
housing
Windshield washer fluid reservoir-to-longitudinal member
nut
Windshield washer fluid reservoir-to-longitudinal member
screw

Nm
18
8
9
12
8
8
8
8

Exterior Lights, Switches Tightening Specifications
Component
Fog lamp housing-to-bumper
Gas discharge bulb control module-to-headlamp
Gas discharge bulb control module-to-headlamp housing
Headlamp beam adjustment motor-to-headlamp housing
Headlamp housing mount-to-lock carrier
Headlamp housing-to-mount
Headlamp housing retaining strap
Headlamp power output stage-to-headlamp housing
Headlamp range control module-to-center console
Headlamp-to-lock carrier
High-mounted brake lamp-to-roof spoiler
Inner tail lamp-to-body
Steering column electronic systems control module-tosteering column switch module
Tail lamps-to-body
Turn signal bulb-to-outside mirror housing

108

Audi A3 Quick Reference Specification Book

Nm
6
1.5
1.4
1
4.5
4.5
6
1.4
1.3
6
4.5
3.5
1.4
3.5
0.9

•

October 2012

DTC Chart
Engine Code CBEA (TDI)
Fuel and Air Mixture,
Additional Emission Regulations
Error Message

Malfunction Criteria and
Threshold Value

P00AF

Turbocharger Boost Control
"A" Module Performance

Boost pressure actuator stuck <
10% when commanded on or >
10% when commanded off.

P0045

Turbocharger Boost Control
Solenoid “A” Circuit Open

Open circuit message from
output driver

P0047

Turbocharger Boost Control
Solenoid “A” Circuit Low

Short to ground message from
output driver

P0048

Turbocharger Boost Control
Solenoid “A” Circuit High

Short to voltage message from
output driver

P0071