Honda Bmw 5 Service Manual

Brakes 
The brake booster is  mounted to the  bulkhead  on drivers side 
of the  engine  compartment,  directly behind the  brake master 
cylinder. Intake  manifold vacuum acts on a large  diaphragm 
in  the brake  booster to reduce brake pedal effort. 
Brake booster check valve 
The checlc valve in the bralte  booster vacuum line prevents 
contamination  from engine backfires and other sources from 
entering  the bralte  booster. 
Location  of 
check valve varies, depending  on year  and mod- 
el. 
4...

Brakes 
- Pump brake pedal a few  times to  reduce  vacuum in brake 
booster.  This makes  removal  of 
check valve easier. 
- Remove  or loosen  hose clamp(s) at check  valve. 
- Disconnect  hoses. Remove  valve to test  or replace. 
NOTE- 
If valve is  pressed into grommet  in vacuum booster,  pry it out 
carefully. 
- Reinstall  valve using  new hose clamps 
NOTE- 
Install the valve  so that the molded arrow is pointing  toward 
the intake manifold. 
Brake booster, removing and installing 
CAUTIO&...

1 Brakes 
Pull down panel 
If  applicable,  disconnect electrical  harness 
rows) from 16-pin OBD-ll plug. 
Remove  panel from interior.  connectors 
(ar- 
Working 
above and in front  of pedals,  remove  locking clip (A) 
and slide  brake booster pushrod off bralte pedal pin.  Remove 
brake booster  mounting nuts 
(6). 
Working in engine  compartment,  carefully separate bralte 
booster from engine compartment bulkhead. 
CAUTION- 
Do not  use force  on booster  when separating  from bulkhead. 
This can...

Brakes 
Parking brake components 
1. Clamp 
2. Parking brake cable 
3. Cable bracket 
4. Grommet 
5. Adjusting  screw 
6. Support 
7. Shoe expander 
8. Return springs 
9. Parking brake  shoe 
10. Lock down spring 
11. Shoe  retaining  pin 
12. Adjuster 
Parking brake, adjusting 
The parking brake  is a brake  drum system integrated into  the I 
rear brake rotors. It can be adjusted with the  wheels installed, 
although the rear  wheels will have  to be raised  off the  ground. 
- Adjusting the parking...

340-23 
Brakes 
- Using flat-bladed screwdriver, reach into brake drum  through 
lug  bolt hole.  Turn brake adjuster until  wheel no longer turns. 
Back  adjuster  off 
12 notches. 
Parking brake  adjusting (initial) 
Back 
off adjuster  through  wheel 
lug  bolt  hole 12 notches 
- Working inside  car, set parking brake  several times to seat 
cable.  Then pull parking brake 
lever up two  notches. Tighten 
cable  adjusting nuts until it is  just possible to turn rear  wheels 
with slight resistance....

340-24 
Brakes 
4 Remove brake shoe retaining pins using  BMW special tool 
34  4 000  or equivalent. 
Rotate retainer 
114 turn  to release. 
Spread shoes apart  and lift out. 
4 Note position  of bralte shoe adjuster (arrow). 
Right side is illustrated. Left is  mirror image  of this. 
- Apply  thin coat  of grease  to sliding parts and pins before re- 
assembly. 
- Installation is  reverse of removal.  Be sure to adjust parlting 
bralte cables  as described  earlier. 
Tightening  torque 
Road  wheel...

340-25 
Brakes 
- Remove complete exhaust system as described in 180 Ex- 
haust System. 
- Remove  center tunnel heat shield. 
< Pull parlting  brake cable out of body guide tube (arrow) and 
detach from  routing bracltets, noting correct  routing  for rein- 
stallation. 
- Remove  parlting bralte shoes as  described  earlier. 
4 Pull shoe  expander (A) forward, disconnect  parlting bralte 
cable 
(B) and  remove expander. 
4 Reroute new cable under  car, attaching to bracltets (arrows). 
- Remainder...

1 Brakes 
ABS COMPONENT REPLACEMENT 
CA UTIOW- 
If the  tires  on the  car are  of different makes, the ABS/trac- 
tion controlsystem  may overreact.  Only fit tires  of the same 
make and  treadpattern. 
In  adverse conditions,  such as trying to  rock the car  out 
of  deep snow or  other soft surface,  or  when snow 
chains are fitted,  it is  advisable to  switch off traction 
control  and allow 
tlie car driveline to  operate  conven- 
tionally. 
All  E39  vehicles  are equipped  with 
Antilock...

4 Disconnect and remove  speed sensor electrical harness  (ar- 
row)  from retaining mounts.  (Lefl front  wheel shown). 
- During  installation,  apply thin coat  of StaburagsBNBU 12/K 
or equivalent grease to speed sensor  and housing. 
- Installation  is reverse  of removal. 
Tightening torque 
ABS wheel  speed sensor  to steering  knuckle or 8 Nm (6 It-lb) 
rear  wheel  bearing carrier 
ABS impulse wheel 
The front and rear impulse wheels are  integral with the inner 
wheel  bearing  seal and not...

340-28 
Brakes 
- Remove sensor mounting screws. Lift sensor  away from 
bracket. 
- Installation is  reverse of removal. 
CAUTION- 
Be  sure  to tighten the  DSC acceleration sensor(s) and 
mounting  bracket, if applicable,  to specified  torques. The 
sensor 
is vibration  sensitive  and subject to cause DSC 
malfunctions  if installed  improperly. 
a After replacing  the sensor,  perform sensor  adjustment 
using  either  DIS or 
MoDiC under  Service Functions 
menu. 
Tightening 
torques 
Lateral...