NHTSA ID Number: 10203510
Manufacturer Communication Number: QRSB AUDI
A6 S6
TSB/Document Date: 2021-11-15
Summary
Quick reference specification book.
September 2013
General, Technical Data – 0BE, 0BF
Rear Final Drive –
0BC, 0BD, 0BE,0BF
Rear Final Drive Identification
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 A6/S6 Quick Reference Specification Book
•
September 2013
179
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 0BC Transmission
Allocations, Ratios, Capacities
Rear Final Drive
Code letters
Ratio
Final drive
Z2:Z1
Driveshaft flange
diameter
Gear oil capacity
180
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 A6/S6 Quick Reference Specification Book
•
September 2013
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
70.7 mm
See the Fluid Capacity Tables;
Rep. Gr.03;
Final drive
Z2:Z1
Driveshaft flange diameter
Gear oil capacity
MNB
37:9 = 4.111
0BC
NPR
43:13 = 3.308
75.5 mm
70.7 mm
See the Fluid Capacity Tables;
Rep. Gr.03;
Rear Final Drive 0BF Transmission
Allocations, Ratios, Capacities
Rear Final Drive
Code letters
Ratio
Driveshaft flange diameter
Gear oil capacity
Final drive
Z2:Z1
MKU
37:9 = 4.111
0BF
MKV
43:13 = 3.308
75.5 mm
75.5 mm
See the Fluid Capacity Tables;
Rep. Gr.03;
Fastener Tightening Specifications
Component
Driveshaft heat shield
Intermediate bearing bracket
Lock plate to driveshaft 1)
-Fastener
Size
-
Final Drive 0BC, 0BD
Balance weight to rear final drive bolt 3)
Balance weight to rear final drive bolt 4)
Crossmember to rear final drive bolt
Heat shield to crossmember bolt
Subframe 2)
- Bolt
- Bolt
Gear Oil Drain and Inspection Plugs 0BE, 0BF
Audi A6/S6 Quick Reference Specification Book
•
Nm
24
20
30 plus an
additional 90°
(¼ turn)
-
22
55
55
20
-
55
95
September 2013
181
Rear Final Drive –
0BC, 0BD, 0BE,0BF
Rear Final Drive
Code letters
Ratio
Fastener Tightening Specifications (cont'd)
Component
Drain plug for gear oil 1)
Inspection plug for gear oil 1)
Final Drive 0BE, 0BF
All Wheel Drive Clutch Valve 2 -N446- to
hydraulic control unit housing bolt
All Wheel Drive Pump -V415- to hydraulic
control unit housing bolt
ATF check plug 1)
ATF drain plug 1)
Bracket for wiring harness to rear final drive
bolt
Gear oil drain plug 1)
Gear oil inspection plug 1)
Gear oil checking plug 0BC
Gear oil checking plug 0BD
Hydraulic control unit 6)
- Bolt 5)
- Bolt
-Fastener
Size
-
Nm
-
2.5
-
5
-
15
15
9
15
15
30
45
M8 x 50
M8 x 30
Left line to Hydraulic Control Unit Housing
nut
Oil Pressure/Temperature Sensor
Right Flange Shaft to Final Drive bolt 1)
Right line to Hydraulic Control Unit Housing
nut
Shuttle valve
Gear Oil Drain and Inspection Plugs, 0BE, 0BF
ATF drain plug 1)
ATF inspection plug 1)
1)
2)
3)
4)
5)
6)
15
15
20
see tightening
sequence
→ Hydraulic
Control
Module, 0BE,
0BF
30
10
50 + 90°
30
8
15
15
Replace
For bolt tightening clarification, refer to ElsaWeb, Final Drive 0BC, 0BD Overview
items 2 and 3
For bolt tightening clarification, refer to ElsaWeb, Final Drive 0BC, 0BD Overview
item 1
For bolt tightening clarification, refer to ElsaWeb, Final Drive 0BC, 0BD Overview
item 9
Coat the thread with Sealing Compound -D 176 501 A1For bolt tightening clarification, refer to ElsaWeb, Final Drive 0BE, 0BF Overview
items 7, 8 and 9
182
Audi A6/S6 Quick Reference Specification Book
•
September 2013
Rear Final Drive –
0BC, 0BD, 0BE,0BF
Driveshaft to Rear Final Drive
Tightening Specification
Always replace the driveshaft bolts 1.
Step
1
2
3
1)
Bolts
1
1
1
Tightening Specification/Additional Turn
Next to the color dot 30 Nm 1)
30 Nm
Plus an additional 90° (¼ turn)
By doing this, the CV joint is pushed slightly to the opposite side and imbalance is
avoided.
Audi A6/S6 Quick Reference Specification Book
•
September 2013
183
Suspension, Wheels, Steering
General, Technical Data
Chassis
Front
Suspension
Rear
Suspension
Five-link - front axle, upper and lower transverse link,
transverse stabilizer, twin gas-filled strut. Coil spring or
option air spring damper with variable level and damping
characteristics.
Track-controlled axle, upper and lower transverse link,
transverse stabilizer, independent suspension, twin gasfilled struts with coil spring or air spring with variable level
and damping characteristics.
FWD/AWD
Wheelbase
Front track
Rear track
Maximum steering angle
at inner wheel
FWD/AWD
Wheelbase
Front track
Rear track
Maximum steering angle
at inner wheel
FWD/AWD
Wheelbase
Front track
Rear track
Maximum steering
angle at inner wheel
Sportback
Air suspension
Sport suspension air
suspension
standard suspension
(1BK)
(2MB)
in Comfort setting
in Sport setting
2916
2916
1645
1641
1636
1632
39°36’
Sportback
Heavy duty suspension Standard suspension
air suspension (1BS)
(1BA)
in Comfort setting
2915
2917
1630
1645
1621
1639
39°36’
Sport
suspension
(1BE)
2919
1646
1639
Sportback
Heavy duty
suspension
(1BB)
2916
1644
1638
39°36’
Sport
suspension
(1BV)
2918
1646
1639
NOTE: The specified values apply to all engine versions.
Tracks change using wheels with a different offset.
184
Audi A6/S6 Quick Reference Specification Book
•
September 2013
Wheelbase
Front track
Rear track
Maximum steering
angle at inner wheel
FWD/AWD
Wheelbase
Front track
Rear track
Maximum steering
angle at inner wheel
FWD/AWD
Wheelbase
Front track
Rear track
Maximum steering
angle at inner wheel
FWD/AWD
Wheelbase
Front track
Rear track
Maximum steering
angle at inner wheel
Air suspension
standard
suspension
(1BK)
in Comfort
setting
2915
1630
1622
Standard
suspension
(1BA)
2915
1630
1623
Sedan/Avant
Sport
suspension air
suspension
(2MB)
in Sport setting
2916
1615
1606
39°36’
Sedan/Avant
Sport
suspension
(1BE)
2919
1631
1624
39°36’
Heavy duty
suspension air
suspension
(1BS)
in Comfort
setting
2915
1630
1621
Heavy duty
suspension
(1BR)
2914
1628
1622
Sedan/Avant
Heavy duty suspension
Sport suspension
(1BB)
(1BV)
3016
2920
1630
1632
1624
1624
39°36’
Sedan/Avant
Sport suspension air
Sport suspension on RS
suspension on RS
models
models
(2MC)
(2MA)
2915
2917
1663
1663
1664
1666
39°36’
Audi A6/S6 Quick Reference Specification Book
•
September 2013
185
Suspension,
Wheels, Steering
FWD/AWD
Steering
Steering gear
Turning
diameter
Electromechanically assisted, maintenance-free rackand-pinion steering
Approximately 11.9 meters
Front Suspension
Fastener Tightening Specifications
Component
Air line connecting piece
Air spring boot clamp
Air spring shock absorber-to-shock
absorber fork bolt 1)
Fastener
size
-
Nm
Air spring shock absorber-to-suspension
strut dome nut 1) 5)
Ball joint-to-wheel bearing housing bolt 1)
Coil spring shock absorber-to-shock
absorber mounting nut 1)
Coupling rod-to-shock absorber fork bolt 1) 3)
-
3
8
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TSB/Document ID: QRSB AUDI A6 S6
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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