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NHTSA ID Number: 10122811

Manufacturer Communication Number: Quick Ref Spec B

TSB/Document Date: 2017-11-08


Summary

This document contains the quick reference specification book.


1)

For bolt tightening clarification, refer to ElsaWeb ATF Cooler, ATF Pipes and ATF
Filter Overview items -12 and 14-

AudieBay logo A5/S5 Quick Reference Specification Book

November 2012

131

Gears, Shafts – 0B5
Fastener Tightening Specifications
Component
ATF Filter Cover to ATF Filter Housing
ATF Filter Housing to Transmission Housing
ATF Pipe Connection to Transmission Housing
Cable Guide for the RPM Sensors to Transmission
Housing
Connector Housing to Transmission
Oil Pump to Transmission Housing
Retaining Plate to ATF Pressure Pipes
Sensor module to Transmission Intermediate Housing
Side Shaft to Transmission Intermediate Housing 1)

Nm
8
10
10
8
8
8
10
8
150 plus an
additional 90°
(¼ turn)
4.5

Suction Jet Pump to Transmission Housing
1)

Replace fastener

Oil Pan Tightening Specifications

Component
Tighten bolts (Æ)
Tighten bolts 1 through 15 diagonally in steps

132

AudieBay logo A5/S5 Quick Reference Specification Book

Nm
Hand-tighten
10

November 2012

S tronic Trans.
(DSG) – 0B5

Mechatronic Tightening Specification

Component
Tighten bolts 1 through 6 in sequence

AudieBay logo A5/S5 Quick Reference Specification Book

Nm
10

November 2012

133

Circuit Board 1 Tightening Specifications

Component
Tighten bolts 1 through 5 diagonally

134

AudieBay logo A5/S5 Quick Reference Specification Book

Nm
3

November 2012

S tronic Trans.
(DSG) – 0B5

Circuit Board 2 Tightening Specifications

Component
Tighten bolts 1 through 5 diagonally

AudieBay logo A5/S5 Quick Reference Specification Book

Nm
3

November 2012

135

Transmission Intermediate Housing to
Transmission Housing Tightening Specifications

Step
1
2

136

Bolts
Tighten bolts (Æ)
Tighten bolts (Æ)

Nm

8 Nm diagonally
120° additional turn, diagonally

AudieBay logo A5/S5 Quick Reference Specification Book

November 2012

Fastener Tightening Specifications
Component
Balance weight to center differential housing (replace)
Bracket to the left flange shaft with the bearing
Transmission fluid (MTF) drain plug
Transmission fluid (MTF) fill and check plug

Nm
10 plus an
additional 45°
(⅛ turn)
10 plus an
additional 45°
(⅛ turn)
45
45

Front Final Drive Cover Tightening Specifications

Step
1
2

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

Nm
3
20

3

Tighten bolts 1 through 10 in sequence

an additional
90° (¼ turn)

AudieBay logo A5/S5 Quick Reference Specification Book

November 2012

137

S tronic Trans.
(DSG) – 0B5

Rear Final Drive, Differential – 0B5

Center Differential Housing Tightening Specifications

Step
1
2
3
4
5
6
7
8
1)
2)

Component
Tighten bolts 1 in a diagonal sequence 1)
Tighten bolts 2 in a diagonal sequence 1)
Loosen bolts 1 then tighten in a diagonal
sequence
Tighten bolts 3 in a diagonal sequence 1)
Tighten bolts 4 in a diagonal sequence 2)
Tighten bolts 1 through 4 in a diagonal
sequence
Tighten bolts 4 in a diagonal sequence
Tighten bolts 1 through 4 in a diagonal
sequence

Nm
8
Hand-tighten
Hand-tighten
Hand-tighten
Hand-tighten
10
15
an additional
90° (¼ turn)

Aluminum bolts.
Steel bolts.

138

AudieBay logo A5/S5 Quick Reference Specification Book

November 2012

Automatic Transmission – 0BK
General, Technical Data

Automatic
Trans. – 0BK

Transmission Identification

The transmission code letters are located on the data plate under
the transmission. The (Æ) indicates the location of the type plate.

AudieBay logo A5/S5 Quick Reference Specification Book

November 2012

139

Transmission Type Plate

1 - Transmission serial number
2 - Parts list number
3 - Manufacturer transmission identification: 8HP-55
4 - Example of a transmission code: MXV
NOTE: The transmission code letters are also
included on the vehicle data labels.

140

AudieBay logo A5/S5 Quick Reference Specification Book

November 2012

Code Letters, Transmission Allocations,
Ratios and Equipment

Engine
Primary drive
Gear wheel, front axle
Front axle bevel gear
Complete front axle ratio =
primary drive x drive wheel x
bevel gear
Rear axle bevel gear
Complete rear axle ratio =
rear axle bevel gear x primary
drive
Oil system, front final drive/
transfer case

MXW

0BK AWD

06.2010
07.2010
NW235

NES
07.2010
NW235

AudieBay logo A4 from MY
AudieBay logo A4 from MY
2008
2008
AudieBay logo A5 from MY
AudieBay logo A5 from MY
2008
2008
AudieBay logo A5 Cabriolet
AudieBay logo A5 Cabriolet
from MY 2009
from MY 2009
2.0L TFSI - 155 kW 2.0L TFSI - 155 kW
25:29 = 0.862
31:29 = 1.069
34:11 = 3.091
2.848

25:29 = 0.862
31:29 = 1.069
34:11 = 3.091
2.848

43:13 = 3.308
2.851

43:13 = 3.308
2.851

Separated

Separated

AudieBay logo A5/S5 Quick Reference Specification Book

November 2012

141

Automatic
Trans. – 0BK

Automatic Transmission
Transmission
Identification
codes
Month of
from
manufacture
through
Torque
Identification
converter
codes
Allocation
Type

Controls, Housing – 0BK
Securing Transmission to Engine

Item
11)
21), 7
34), 6
4, 54)
8, 10
9
115)
A

Fastener size
Nm
M10 x 50 2)
65
M12 x 100 3)
30 plus an additional 90° (¼ turn)
M12 x 75 3)
30 plus an additional 90° (¼ turn)
M12 x 120 3)
15 plus an additional 90° (¼ turn)
3)
M10 x 75
15 plus an additional 90° (¼ turn)
M10 x 60 3)
15 plus an additional 90° (¼ turn)
M12 x 50 3)
30 plus an additional 90° (¼ turn)
Alignment sleeves for centering

Also secures the starter.
Bolt strength rating 10.9. There is no limit to the number of times steel bolts may be
used.
3)
Aluminum bolts can only be used twice. Mark the bolts by making two notches (X)
with a chisel after they have been used the first time. To prevent damaging the bolts
when marking them, do not clamp them in a vise. Insert the bolts in a ½” drive 14
mm socket clamped into a vise. Do not use bolts that have been marked with an X.
4)
With a bracket for the wiring.
5)
Installed from the engine side.
1)
2)

142

AudieBay logo A5/S5 Quick Reference Specification Book

November 2012

Fastener Tightening Specifications
Automatic Transmission Fluid (ATF) drain
plug 1)
Automatic Transmission Fluid (ATF) pipe
nut
Automatic Transmission Fluid (ATF) check
and fill plug 1)
Bolts and nuts

Fastener
size
-

Nm

-

29

-

30

M6
M7
M8
M10
M12
-

9
15
20
40
65
23
27

-

27

-

12

-

10

-

10

Drive axle heat shield
Transmission fluid check and fill drain plug
(inside transfer case)
Transmission fluid check and fill drain plug
(inside front final drive)
Transmission fluid oil drain plug (inside
transfer case)
Transmission fluid oil drain plug (inside
front final drive)
Selector mechanism function unit-to-body
nut
1)

12

Automatic
Trans. – 0BK

Component

Replace fastener(s).

Gears, Hydraulic Controls – 0BK
Fastener Tightening Specifications
Component
Mechatronic connector-to-transmission housing
Transmission output speed sensor-to-transmission
housing

AudieBay logo A5/S5 Quick Reference Specification Book

Nm
10
10

November 2012

143

Oil Pan Tightening Specifications

Step
1
2
3
1)

Component
Tighten bolts 1 through 12 in sequence 1)
Tighten bolts 1 through 12 in sequence
Tighten bolts 1 through 12 in sequence

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

Replace fastener(s).

144

AudieBay logo A5/S5 Quick Reference Specification Book

November 2012

Automatic
Trans. – 0BK

Mechatronic Tightening Specification

Component
Tighten bolts 1 through 19 in sequence

Nm
10

NOTE:
Bolts 18 and 19 are shorter.
Bolt 18 attaches the transmission output speed sensor G195) to
the transmission housing.
Bolt 19 attaches the Mechatronic connector to the transmission
housing.

AudieBay logo A5/S5 Quick Reference Specification Book

November 2012

145

Rear Final Drive, Differential – 0BK
Fastener Tightening Specifications
Component
Drain plug
Transmission fluid oil drain plug (inside front final drive)
Transmission fluid oil drain plug (inside transfer case)

Nm
27
10
12

Front Final Drive Cover Tightening Specifications

Step
1
2

146

Component
Tighten bolts 1 and 6

1...1314151617...38

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TSB/Document ID: Quick Ref Spec B

Replacement Service Bulletin Number:

MFR Communication Date: 2012-11-01

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: EQUIPMENT

MFR Component System:

MFR Component Subsystem:


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