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.
Suspension with
electronic damping
(1BL)
- 1°20′ ± 25′
30′
Sport suspension
(1BV)
+ 10′ ± 5′
+ 10′ ± 5′
+ 10′ ± 5′
10′
+ 10′ ± 5′
10′
Audi
A5/S5 Quick Reference Specification Book
- 1°20′ ± 25′
30′
•
- 1°20′ ± 25′
30′
November 2012
173
Front suspension
Steering
Fastener Tightening Specifications
Component
Electronic steering column lock control module-tosteering column bolt
Power steering pump belt pulley bolt (6-cylinder)
Power steering pressure line-to-steering gear bolt
Power steering pressure line-to-rubber bushing nut
Power steering pressure line union nut
Power steering pressure line-to-power steering pump
union nut
Power steering pressure line-to-power steering pump
bolt
Power steering return line-to-steering gear bolt (without
dynamic steering)
Steering column handle bolt
Power steering pump mounting bolt
- 4-cylinder TFSI and 8-cylinder FSI
- 6-cylinder
Reservoir tension strap bolt
Reservoir tension strap-to-body bolt
Return line-to-body bolt
Right knee bar-to-steering column bolt 2)
- Coupe
- Cabriolet
Power steering gear rubber bushing
Servotronic solenoid valve-to-steering gear bolt 3)
Steering column mounting bolt
Steering gear-to-subframe bolt 1)
Nm
5
22
20
6
40
38
9
9
3
25
20
9
9
9
20
22
6
3
20
80 plus an
additional 180°
(½ turn)
30 plus an
additional 90°
(¼ turn)
30 plus an
additional 90°
(¼ turn)
Steering intermediate shaft-to-steering column bolt 1)
Steering intermediate shaft-to-steering gear bolt 1)
Steering wheel-to-steering column bolt 1)
- Coupe
- Cabriolet
50
30 plus an
additional 90°
(¼ turn)
90
60
Tie rod-to-steering gear
Tie rod end-to-tie rod nut
174
Audi A5/S5 Quick Reference Specification Book
•
November 2012
Nm
20 plus an
additional 90°
(¼ turn)
100
110
- 12-point combi-nut
- Hex combi-nut
1)
2)
3)
Replace fastener(s).
For bolt tightening clarification, refer to ElsaWeb, Steering Column Assembly
Overview.
For bolt tightening clarification, refer to ElsaWeb, Servotronic Solenoid Valve.
Steering Column Tightening Specifications
Step
1
2
3
4
Component
Position the steering column with the positioning
pins (1) in the central tube positioning holes
Loosely install all bolts
Tighten bolts 2 through 9 in sequence
Replace the spring nut (10) if the steering
column was replaced
Audi A5/S5 Quick Reference Specification Book
•
Nm
20
-
November 2012
175
Component
Tie rod end-to-wheel bearing housing nut 1)
- Hex collar nut
Brake System
General, Technical Data
Technical Data
The brake system installed in a vehicle is indicated on the vehicle
data label by the Production Relevant No. (PR No.) (A and B).
176
Audi A5/S5 Quick Reference Specification Book
•
November 2012
Front Wheel Brakes – Technical Data
Brake disc ventilated
Brake disc thickness
Brake disc wear limit
Brake caliper, piston
Pad thickness with
backing plate and
dampening sheet
Brake pad wear limit
with backing plate and
dampening sheet
1LT
1LA
1LJ
FN3-57 16”
FBC-57 16”
FBC-57 17”
314
320
345
dia. in
mm
mm
mm
dia. in
mm
mm
25
23
57
30
28
57
30
28
57
20.3
18.8
18.8
mm
7
7
7
Front brakes 1LM
Ventilated brake rotor
Brake disc thickness
Brake disc wear limit
8-piston brake caliper, Brembo
Pad thickness with backing
plate and dampening sheet
Brake pad wear limit with
backing plate and dampening
sheet
Backing plate
Dampening sheet
dia. in mm
mm
mm
dia. in mm
mm
365
34
32.4
32 / 28
17
mm
9.6
mm
mm
5.0
1.6
Audi A5/S5 Quick Reference Specification Book
•
November 2012
Front brakes
Production Relevant No. (PR.
No.)
Brake caliper
177
Front Wheel Brakes – Technical Data (cont’d)
Brake caliper
Ventilated brake rotor
Brake rotor, thickness
Brake rotor, wear limit
Brake caliper, 6 piston
monoblock
Ceramic Front Brakes 1LW
Brembo
380
38
diameter in mm
mm
diameter in mm
Minimum pad thickness with
backing plate and dampening
sheet
mm
The wear value is
the minimum brake
rotor thickness is
stamped into the brake
rotor cup when it is
manufactured.
9.5
Ceramic brakes are installed only in the front on this model.
Hairline cracks on the friction surface on ceramic brakes occur
during the manufacturing process and can be found on new brakes
in different stampings. Hairline cracks on the friction surfaces are not
a reason to exchange the ceramic brake rotors.
Every brake rotor has a singed groove to recognize the wear limit. If
the brake rotor friction surface the groove are worn down to an even
level, the brake rotor wear limit has been reached.
Rear Wheel Brakes – Technical Data
Rear brakes
Production Relevant No. (PR. No.)
Brake caliper
Brake disc
dia. in
mm
Unvented brake disc
mm
thickness
Internally vented brake
disc thickness
Brake disc wear limit
mm
Brake caliper, piston
dia. in
mm
mm
Pad thickness with
backing plate and
dampening sheet
Brake pad wear limit
mm
with backing plate and
dampening sheet
178
1KW
CII-43 (16”)
300
1KE
CII-43 (17”)
330
12
22
10
43
20
43
17.5
17.5
7
7
Audi A5/S5 Quick Reference Specification Book
•
November 2012
Anti-lock Brake System (ABS)
Fastener Tightening Specifications
Nm
12
12
16
9
9
8
Mechanical Components
Fastener Tightening Specifications
Component
Accelerator pedal module-to-mounting bracket bolt
Electromechanical parking brake control module nut
Mounting bracket nut
Mounting pin bolt
Pedal support bolt
Steering column bolt
Steering column and mounting bracket bolt
Trailer mode control module and bracket nut
Universal joint bolt 1)
Front brakes, with FN3-57 caliper
Brake caliper housing guide pin
Brake carrier-to-wheel bearing housing bolt
Brake disc-to-wheel hub bolt
Brake hose-to-brake caliper housing
Brake shield-to-wheel bearing housing bolt
Front brakes, with 1LA/1LJ caliper
Brake carrier-to-bracket caliper bolt
Brake carrier-to-wheel bearing housing bolt
Brake disc-to-wheel hub bolt
Brake line-to-brake caliper
Front brakes, with 1LT caliper
Brake caliper housing guide pin
Brake carrier-to-wheel bearing housing bolt
Brake disc-to-wheel bearing housing bolt
Brake line-to-brake caliper
Audi A5/S5 Quick Reference Specification Book
Nm
8
9
8
8
20
20
20
3
30 plus an
additional 90°
(¼ turn)
30
190
5
12
10
30
196
5
20
30
190
5
16
•
November 2012
179
Component
Brake line-to-hydraulic unit
- 5 mm diameter M10 brake line
- 5 mm diameter M12 brake line
- 8 mm diameter M12 brake line
Electronic stabilization sensor-to-floor panel nut
Front wheel speed sensor bolt
Rear wheel speed sensor bolt
Fastener Tightening Specifications (cont’d)
Component
Brake shield-to-wheel bearing housing bolt
Front brakes, with 1LM caliper
Brake shield-to-wheel bearing housing bolt
Brake disc-to-wheel bearing housing bolt
Wheel speed sensor-to-wheel bearing housing
Brake hose-to-brake caliper
Brake pressure line-to-brake hose
Brake carrier-to-wheel bearing housing bolt 1)
Front brakes, with 1LW caliper
Brake bracket-to-caliper bolt
Brake caliper housing guide pin
Brake carrier-to-wheel bearing housing bolt 1
Brake disc-to-wheel bearing housing bolt
Brake line-to-brake caliper
Brake line connection-to-brake line
Brake shield-to-wheel bearing housing bolt
Rear brakes
Brake caliper housing-to-brake carrier bolt 1)
Brake carrier-to-wheel bearing housing bolt 1)
Nm
18
10
5
9
16
16
196
25
30
190
5
16
14
9
35
100 plus an
additional 90°
(¼ turn)
5
12
10
12
Brake disc-to-wheel hub bolt
Brake hose-to-brake caliper housing
Brake shield-to-wheel bearing housing bolt
Electromechanical parking brake actuator-to-brake
caliper housing
1)
Replace fastener(s).
180
Audi A5/S5 Quick Reference Specification Book
•
November 2012
Hydraulic Components
Hydraulic Tightening Specifications
1)
2)
Nm
25
5
12
12
16
17
Component
Brake booster mounting bracket bolt
Brake fluid reservoir cover bolt
Brake hose-to-rear brake caliper
Brake line-to-brake hose bracket
Brake line-to-brake master cylinder
Brake line-to-front brake hose
Brake line-to-hydraulic unit
- 5 mm diameter M10 brake line
- 5 mm diameter M12 brake line
- 8 mm diameter M12 brake line
Brake line-to-intermediate piece
Brake master cylinder-to-brake booster nut
Pedal support bolt
Vacuum hose-to-vacuum pump bolt (with 2.0L and 3.2L
engines)
Vacuum pump bolt (with 2.0L and 3.2L engines)
Vacuum pump bracket nut (with 3.0L and 4.2L engines)
Front brake caliper, FN3-57
Bleeder screw-to-brake caliper housing 2)
Guide pin
Front brake caliper, FBC-57
Bleeder screw-to-brake caliper housing 2)
Brake caliper-to-brake carrier bolt
Brake carrier-to-wheel bearing housing bolt
Rear brake caliper
Bleeder screw-to-brake caliper housing 2)
Brake caliper housing-to-brake carrier bolt 1)
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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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