NHTSA ID Number: 10203511
Manufacturer Communication Number: QRSB AUDI A7
TSB/Document Date: 2021-11-15
Summary
Quick reference specification book.
September 2013
Fastener Tightening Specifications
ATF drain plug
ATF fill and check plug
Air guide to transmission
Automatic Transmission Fluid (ATF) coolerto-bracket
Automatic Transmission Fluid (ATF) coverto-housing
Automatic Transmission Fluid (ATF) filter
housing-to-transmission
Automatic Transmission Fluid (ATF) pipe/
hose line-to-ATF filter housing 2)
Bolts and nuts
Cable mounting bracket-to-transmission
Cover-to-ATF housing
Cover-to-transmission
Drive axle heat shields
Heat Shield
- Upper bolts
- Lower bolt
Securing shift mechanism-to-body, nut
Selector lever cable adjustment
Stop to transmission mount 1)
Tunnel crossmember-to-transmission
Tunnel crossmember-to-transmission
mount nut
Transmission Fluid (MTF) fill and check
plug
Transmission Fluid (MTF) drain plug
Transmission support-to-transmission
Transmission support-to-transmission
mount nut/bolt
1)
2)
Fastener
size
-
Nm
-
8
-
10
-
8
20
9
15
20
40
65
8
8
20
23
M6
M7
M8
M10
M12
-
45
45
3
9
-
9
20
8
13
20 plus an
additional 90°
(¼ turn)
70
20
-
45
--
45
40
20
Replace fastener(s).
For bolt tightening clarification, refer to ElsaWeb, ATF Pipe/Hose Lines Replaceable
ATF Filter Overview, items 15 and 17.
Audi A7 Reference Specification Book
•
September 2013
129
S tronic Trans. –
0B5
Component
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-totransmission housing
Connector housing-to-transmission housing
Retaining plate to atf pressure pipes
Sensor module-to-transmission
intermediate housing
Side shaft-to-transmission intermediate
housing 1
Fastener
size
-
Nm
-
8
-
8
10
8
-
150 plus an
additional 90°
(¼ turn)
4.5
Suction jet pump-to-transmission housing
1)
8
10
10
-
Replace fastener(s).
Oil Pan Tightening Specifications
Step
1
2
1)
Component
Tighten bolts 1 through 15 in sequence 1)
Tighten bolts 1 through 15 in sequence
Nm
Hand-tighten
10
Replace fastener(s).
130
Audi A7 Reference Specification Book
•
September 2013
S tronic Trans. –
0B5
Mechatronic Tightening Specification
Component
Nm
Tighten bolts 1 through 6 in sequence
10
Audi
A7 Reference Specification Book
•
September 2013
131
Circuit Board 1 Tightening Specifications
Component
Tighten bolts 1 through 5 in sequence
132
Audi A7 Reference Specification Book
Nm
3
•
September 2013
S tronic Trans. –
0B5
Circuit Board 2 Tightening Specifications
Component
Tighten bolts 1 through 5 in sequence
Audi A7 Reference Specification Book
Nm
3
•
September 2013
133
Transmission Intermediate Housing
Tightening Specifications
Step
1
2
Component
Bolts arrows diagonally
Bolts arrows diagonally
Nm
8
plus an
additional 120°
turn
Rear Final Drive, Differential – 0B5
Fastener Tightening Specifications
Component
Balance weight to center differential housing bolt 1)
Nm
20 plus an
additional 90°
(¼ turn)
10 plus an
additional 45°
(⅛ turn)
45
45
Bracket to the left flange shaft with the bearing
Transmission fluid (MTF) drain plug
Transmission fluid (MTF) fill and check plug
1)
Replace fastener(s).
134
Audi A7 Reference Specification Book
•
September 2013
Replace bolts that are tightened to the specification.
Step
1
2
3
Component
Tighten bolts 1) 1 through 10 in sequence
Tighten bolts 1 through 10 in sequence
Tighten bolts 1 through 10 in sequence
Audi A7 Reference Specification Book
•
September 2013
Nm
3
20
Tighten 90°
135
S tronic Trans. –
0B5
Front Final Drive Cover Tightening Specifications
Center Differential Housing Tightening Specifications
Step
1
2
3
4
5
6
7
8
136
Component
Aluminum bolts -1Aluminum bolts -2Aluminum bolts -1Aluminum bolts -3Steel bolts -4-1, 2, 3, 4- diagonally
Steel bolts -4-1, 2, 3, 4- diagonally
Nm
8
Hand-tighten
Loosen again and
then install all the way
hand-tight
Hand-tighten
Hand-tighten
10
15
90° additional turn
Audi A7 Reference Specification Book
•
September 2013
Rear Final Drive – 0BC, 0BD,
0BE, 0BF
General, Technical Data – 0BC
Rear Final Drive Identification
Rear Final Drive –
0BC, 0BD, 0BE, 0BF
0BC final drive and 0AR (1Æ). Code and build date (2Æ).
Audi A7 Reference Specification Book
•
September 2013
137
Final Drive Identification
Final Drive 0BC (Æ) and 0AR
Note: 0AR is always on the rear final drive housing.
The changes to the housing are what differentiate
the 0BC final drive from the 0AR final drive.
138
Audi A7 Reference Specification Book
•
September 2013
Final Drive Identification (cont’d)
The locations of the threaded holes (Æ) for attaching the
cross member to the rear final drive are also different.
Rear Final Drive –
0BC, 0BD, 0BE, 0BF
The 0BC final drive has 4 threaded holes (Æ) in its housing,
used for attaching the cross member. In addition to this, there
is an additional threaded hole under the flange/driveshaft
used for attaching the final drive to the subframe.
Audi A7 Reference Specification Book
•
September 2013
139
Rear Final Drive Code and Date of Manufacture
Example:
JKS
Code letters
15
Day
03
Month
07
Year of manufacture 2007
When installing a new rear final drive unit, the final drive code, the
PR number and the vehicle engine code must be verified in the
Parts Catalog. This is the only to assure the correct allocation.
140
Audi A7 Reference Specification Book
•
September 2013
General, Technical Data – 0BD
Rear Final Drive Identification
Rear Final Drive –
0BC, 0BD, 0BE, 0BF
Final drive 0BD, code letters and manufacture date (Æ).
Audi A7 Reference Specification Book
•
September 2013
141
Rear Final Drive Identification (cont’d)
AÆ front final drive 0BD with replacement part
number (example: 0BD 500 043A)
BÆ code letters JTN
CÆ Rear final drive manufacture date
Example
F
Production year 2006
F = 2006,
G = 2007,
H = 2008, etc.
142
292
Production date
292nd calendar day
(always given in
three-digit format)
Audi A7 Reference Specification Book
3242
Day of
manufacture
serial number
•
September 2013
General, Technical Data – 0BE, 0BF
Rear Final Drive Identification
Rear Final Drive –
0BC, 0BD, 0BE, 0BF
Clutch class -arrow 1-. Engine code and build date-arrow
2-. The way to recognize the rear final drive “0BF and 0BE”
is the hydraulic control unit with the side chambers.
Audi A7 Reference Specification Book
•
September 2013
143
Rear Final Drive Identification (cont’d)
1 Æ Code LFW
2 Æ Rear final drive build dates
3 Æ Classification (classification of the clutch wear
values) for the right clutch. Example: -272D4Æ
Classification (classification of the clutch wear
values) for the left clutch. Example: -4A10-
Example
08
Production year 2008
12
Month
09
Day
Rear Final Drive Transmission
Allocations, Ratios, Capacities
Rear Final Drive
Code letters
Ratio
Final drive
Z2:Z1
Driveshaft flange
diameter
Gear oil capacity
144
JKS
35:9 = 3.889
0BC
KCC
43:13 = 3.308
KLM
35:8 = 4.375
75.5 mm
75.5 mm
75.5 mm
See the Fluid Capacity Tables; Rep. Gr.03;
Audi A7 Reference Specification Book
•
September 2013
Rear Final Drive
Code letters
Ratio
Final drive
Z2:Z1
Driveshaft flange diameter
Gear oil capacity
Rear Final Drive
Code letters
Ratio
LAW
42:9 = 4.666
0BC
LWV
37:12 = 3.083
75.5 mm
75.5 mm
See the Fluid Capacity Tables;
Rep. Gr.03;
Final drive
Z2:Z1
Driveshaft flange diameter
Gear oil capacity
MNB
37:9 = 3.083
0BC
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TSB/Document ID: QRSB AUDI A7
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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