AUDI A4 1997 B5 / 1.G ABS Bosch 5.0 Workshop Manual

AUDI A4 1997 B5 / 1.G ABS Bosch 5.0 Workshop Manual A4 1997 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1119/w960_1119-0.png AUDI A4 1997 B5 / 1.G ABS Bosch 5.0 Workshop Manual
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Page 1 of 12

AUDI A4 1997 B5 / 1.G ABS Bosch 5.0 Workshop Manual 45-6
 
     
Anti-lock Brake System (ABS), 
Bosch 5.0 
     
CAUTION! 
     
The anti-lock brake system is basically 
maintenance-free. 
     Specialist knowledge is required for 
performing any work

Page 2 of 12

AUDI A4 1997 B5 / 1.G ABS Bosch 5.0 Workshop Manual 45-7
 
  
ABS hydraulic unit and brake lines
 
The tightening torque for all brake lines on the Audi 
A4 is 15 Nm (11 ft lb).  
1 - 
Brake master cylinder with brake servo 
unit 
Brake master cylinder

Page 3 of 12

AUDI A4 1997 B5 / 1.G ABS Bosch 5.0 Workshop Manual 45-8
 
  
4 - 
Rubber grommet 
5 - 
ABS wiring harness connector 
Release and removeThe connector is part of the ABS wiring 
harness. Be aware of different versions for 
FWD and AWD models Make sure c

Page 4 of 12

AUDI A4 1997 B5 / 1.G ABS Bosch 5.0 Workshop Manual 45-9
 
  
CAUTION! 
Apart from replacing the two relays, repair work 
on the ABS hydraulic unit is not permitted. Do 
not loosen bolted connections.  10 - 
ABS hydraulic unit 
  Be aware of different

Page 5 of 12

AUDI A4 1997 B5 / 1.G ABS Bosch 5.0 Workshop Manual 45-10
 
  
  Removing and installing:
  - Disconnect battery Ground (GND) strap.
 - Seal brake lines and connections 
immediately with dummy plugs. 
 - Bolt new hydraulic control unit to bracket, 
ite

Page 6 of 12

AUDI A4 1997 B5 / 1.G ABS Bosch 5.0 Workshop Manual 45-11
 
  
12 - 
Washer 
13 - 
Bracket for ABS hydraulic unit 
Removing and installing   page 45
-15
14 - 
Bolt and washer assembly 
8 Nm (71 in lb)
15 - 
Serrated washer 
16 - 
Ground (GND) cable Ens

Page 7 of 12

AUDI A4 1997 B5 / 1.G ABS Bosch 5.0 Workshop Manual 45-12
 
    
Brake line connections: 15 Nm (11 ft lb)  
Note:  Fig. 1  Brake line connections at the hydraulic unit for ABS/EDL, 
front wheel drive and ABS/EDL/ASR front wheel drive 
1 - Hydraulic uni

Page 8 of 12

AUDI A4 1997 B5 / 1.G ABS Bosch 5.0 Workshop Manual 45-13
 
    
FIg. 2  Brake line connections at the hydraulic unit, all wheel drive 
and ABS/EDL pressure control ( 05.95)  
Two pressure dampers are threaded into the hydraulic unit 
(arrows) on model

Page 9 of 12

AUDI A4 1997 B5 / 1.G ABS Bosch 5.0 Workshop Manual 45-14
 
    
EDL suction control was introduced on models with all wheel drive from 
05.95. This system reduces the control noises during an EDL control 
cycle.  
The pressure dampers threaded into th

Page 10 of 12

AUDI A4 1997 B5 / 1.G ABS Bosch 5.0 Workshop Manual 45-15
 
  
ABS hydraulic unit mounting bracket, 
removing and installing
 
1 - 
Angle bracket 
2 - 
Bearing bushing 
3 - 
Buffer 
4 - 
Mounting bracket for ABS hydraulic unit 
5 - 
Washer 
6 - 
Bolt a
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