brake rotor BMW 323i 1993 E36 Owner's Manual
[x] Cancel search | Manufacturer: BMW, Model Year: 1993, Model line: 323i, Model: BMW 323i 1993 E36Pages: 759
Page 297 of 759
Brake
rotor,
removing
and
installing
Brake
rotors
shouldalways
be
replaced
in
pairs
.
Fig
.
9
.
Brake
rotor
mounting
screw
(arrow)
.
3
.
Inspect
rotor
for
excessive
grooving,
cracks,
and
warp-
ing
.
Check
rotor
thickness
.
See
Table
b
.
4
.
Installation
is
reverse
of
removal
.
"
Clean
rotor
with
brakecleaner
before
installing
.
"
If
brake
fluid
hose
veas
removed
or
loosened,
brake
systemmustbe
bled
as
described
aboveunder
Bleeding
Brakes
.
BRAKES
340-
7
5
.
Once
brake
assembly
is
instalind,
depress
brakepedal
several
times
to
adjust
caliper
and
pads
.
"
Pedal
should
feel
firm
and
be
at
proper
height
.
"
Check
fluid
leve¡
.
Top
up
if
necessary
.
NOTE-
M3
models
use
directional
brake
rotors
and
mustbe
in-
NOTE-
stalled
on
the
proper
side
.
Part
numbes
are
cast
finto
When
installing
new
rear
brake
rotors,
the
parking
therotors
.
A
part
that
ends
in
an
odd
number
is
a
left
brakeshouldbe
adjusted
.
See
Parking
Brake
.
rotor
.
One
that
ends
in
an
even
number
is
a
right
rotor
.
1.
Remove
caliper
as
described-above
and
hang
from
Tightening
Torques
chassis
using
stiff
wire
.
"
Brake
rotor
to
wheel
hub
..........
16
Nm
(12
ft-Ib)
"
Front
brake
caliper
to
steering
arm
...
110
Nm
(81
ft-Ib)
NOTE-
"
Rear
brake
caliper
to
traíling
arm
....
67
Nm
(50
ft-Ib)
Do
notloosen
caliper
brake
hose
.
"
Road
wheel
to
hub
...
..
.
100
±
10
Nm
(74
t
7
ft-Ib)
2
.
Remove
mountingscrew
holding
rotor
to
wheel
hub
.
,
See
Fig
.
9
.
Table
b
.
Brake
Rotor
Reconditioning
Specificati*M`
Front
Rear
Vented
rotor
wear
limit
(min
.
thickness)
20
.4
mm
(0
.803
in.)
Solid
rotor
wear
limit
(min
.
thickness)
8
.4
mm
(0.331
in
.)
M3
models
wear
limit
(min
.
thickness)
26
.4mm
(0
.977
in
.)
18
.4
mm
(0
.723
in
.)
Axial
runout
(max
.)
rotor
removed
0
.05
mm
(0
.002
in
.)
0
.05
mm
(0
.002
in
.)
rotor
installed
0
.20
mm
(0
.008
in
.)
0
.20
mm
(0
.008
in
.)
CAUTION-
M3
brake
rotors
must
not
be
machined
.
MASTER
CYLINDER
The
brake
master
cylinder
is
mounted
to
the
front
of
the
vac-
uum
booster
on
the
driver
side
bulkhead
.
Master
cylinder,
removing
and
installing
1
.
Using
a
clean
syringe,
empty
brake
fluid
reservoir
.
WARNING
-
Brake
fluid
is
highly
corrosive
and
dangerous
to
the
environment
.
Dispose
of
it
properly
.
NOTE-
On
original
equipment
rotors,
the
mínimum
allowable
2
.
Disconnect
brake
fluid
leve¡
sender
connector
from
fluid
thickness
is
stamped
on
the
rotor
hub
.
Measure
the
rotor
reservoi
r
cap
.
brakingsurface
with
a
micrometer
at
eight
to
ten
different
points
and
use
the
smallest
measurement
recorded
.
3
.
Disconnect
brake
fluid
lines
frommaster
cylinder
.
See
Fig
.
10
.
Disconnect
hydraulic
clutch
system
supply
line
.
4
.
Unscrew
mounting
nuts
and
remove
master
cylinder
from
brake
booster
.
5
.
Make
sure
all
nuts,
fluid
couplings,
thread
bores,
and
mating
surfaces
are
clean
.
MASTER
CYLINDER
Page 300 of 759
340-
1
0
BRAKES
PARKING
BRAKE
The
parking
brake
is
a
brake
drum
system
integrated
into
the
rear
brake
rotors
.
See
Fig
.
14
.
Adjustment
of
the
shoes
may
benecessary
compensate
for
wear
.
The
parking
brake
should
also
be
adjusted
any
time
the
cable,
the
rear
brake
rotor,
or
the
parking
brake
shoes
are
re-
placed
.
Lower
Parking
brake
Parking
brake
retum
shoe
actuator
spring
Fig
.
14
.
Parking
brake
shoeassembly
.
Parking
brake,
adjusting
2
.
Raise
rearof
car
.
PARKING
BRAKE
Shoe
retainer
Rotor
with
and
spring
integrated
parking
brake
Shoe
drum
I
adjuster
Upper
return
spring
-í
<~
:
:
Rotor
mounting
screw
WARNING
-
Make
sure
the
car
is
firmly
supported
on
jack
stands
designed
for
the
purpose
.
Place
the
jack
stands
be-
neatha
structural
chassis
point
.
Do
not
placejack
stands
undersuspension
parts
.
0011265
3
.
Remove
one
lug
bolt
from
each
rear
wheel
.
Turnroad
wheel
until
lug
bolt
hole
lines
úp
with
parking
brake
ad-
juster
(approximately
65°
to
rear
of
wheel
centerline)
.
See
Fig
.
16
.
4
.
Usinga
screwdriver,
turn
adjusterto
expand
brake
shoes
until
road
wheel
canno
longer
turn,
then
back
adjuster
off
.
Repeatprocedureon
other
rear
wheel
.
Fig
.
15
.
Parking
brake
cable
adjustingnuts
(arrows)
.
The
parking
brake
can
be
adjusted
with
the
wheels
in-
stalled,
although
the
rear
wheels
will
have
to
be
raised
off
the
1
f
l
i\
aground
.
1
.
Lift
parking
brake
lever
boot
out
of
console
.
While
hold-
ing
cables
stationary,
loosen
parking
brake
cable
nuts
until
cablesare
completely
slack
.
See
Fig
.
15
.
0011263
0012727
Fig
.
16
.
Access
parking
brake
shoe
adjuster
approxímately
65°
to
rear
of
vertical
.
Use
flat-bladed
screwdriver
to
turnadjuster
.
On
left
wheel,
turn
adjuster
in
direction
1
to
expand
shoes
.
On
ríght
wheel,
turn
adjuster
in
direction
2
to
expand
shoes
.
Parking
Brake
Adjusting
(initial)
"
Back
off
adjuster
through
wheel
lug
bolt
hole
ex
.
M3
models
.........
..
...
...
.
...
.
18notches
M3
models
............
.
.....
..
..
..
.
.
8notches
5
.
Working
inside
car,
set
parking
brake
several
times
to
seat
cable
.
Then
pull
parking
brake
lever
up
four
notch-
es
.
Tighten
cable
adjusting
nuts
until
it
is
just
possible
to
turnrear
wheels
with
slight
resistance
.
6
.
Release
lever
and
make
sure
rear
wheels
turn
freely
.
Page 301 of 759
7
.
Turn
on
ignition
.
Check
that
light
comes
on
as
soonas
4
.
Remove
parkíng
brake
shoes
as
described
above
.
lever
is
pulled
up
.
5
.
Disconnect
cable
from
parking
brake
actuator
and
then
8
.
Install
parking
brake
lever
boot
.
Install
road
wheel
lug
remove
parking
brakecable
from
cable
holder
on
trail-
bolts
.
ing
arm
.
See
Fig
.
17
.
Tightening
Torque
"
Road
wheel
to
hub
.
..
......
100±10
Nm
(74±7
ft-Ib)
Parking
brake
shoes,
removing
and
installing
1.
Raise
rear
of
car
andremove
road
wheels
.
WARNING
-
Make
sure
the
car
is
firmly
supportedon
jack
stands
designed
for
the
purpose
.
Place
the
jack
stands
be-
neath
a
structural
chassis
point
.
Do
not
place
jack
stands
undersuspension
parts
.
2
.
Without
disconnecting
brake
fluid
hose,
remove
rear
brake
calipers
from
trailing
arms
.
Remove
rear
brake
rotors
.
See
Brake
Pads,
Calipers
and
Rotors
.
CA
UTION-
Do
not
let
the
brake
caliper
assembly
hang
from
the
brake
hose
.
Support
caliper
from
chassis
with
strong
wire
.
3
.
Unhook
upper
return
spring
from
brake
shoes
.
Remove
shoe
retainers
bypushing
them
in
and
rotating
1
/4turn
.
BMW
special
tool
no
.
344
000
can
beused
to
remove
retainers,
if
needed
.
4
.
Spread
shoes
apart
and
lift
them
out
.
7
.
Installation
is
reverse
of
removal
.
Adjust
parking
brake
as
described
earlier
.
NOTE-
When
removing
the
brake
shoes
the
shoe
expander
pivot
pin
in
the
brake
actuator
may
fall
out
.
Two
versions
of
the
Antilock
Brake
System
(ABS)
are
in-
5
.
Inspect
shoe
expander
to
make
sure
it
functions
prop-
stalled
onthe
cars
coveredby
this
manual
.
Early
cars
use
the
erly
.
Apply
a
thin
coat
of
grease
tosliding
parts
and
Teves
Mark
IV
G
ABS
.
Later
cars
use
the
Teves
Mark
20-I
pins
.
ABS
.
The
main
difference
between
the
two
systems
is
that
the
Mark
20-I
system
integrates
the
ABS
control
module
into
the
6
.
Installation
is
reverse
of
removal
.
Be
sure
to
adjust
hydraulic
unit
as
a
single
component
.
parking
brake
cables
as
described
earlier
.
ABS
is
designed
to
be
maintenance
free
.
There
are
noad
Parking
brake
cable,
replacing
justments
that
canbe
made
to
the
system
.
Repair
and
trouble-
shooting
of
the
major
ABS
components
requires
special
test
1
.
Raise
rear
of
car
and
remove
road
wheels
.
equipment
and
knowiedge
and
should
be
done
by
an
autho-
rized
BMW
dealer
.
2
.
Remove
rear
brake
caliper
and
rotor
.
See
Brake
Pads,
Calipers
and
Rotors
.
3
.
Working
inside
car,
lift
parking
brake
lever
boot
out
of
console
.
Remove
cable
adjusting
nut
.
Refer
to
Fig
.
15
.
Fig
.
17
.
Parking
brake
cable
insertion
point
in
rear
trailing
arm
(arrow)
.
6
.
Slide
cable
out
of
housing
.
NOTE
-
BRAKES
340-
1
1
On
some
models
it
may
be
necessary
to
remove
rear
muffler
to
access
the
brake
cabes)
.
ANTILOCK
BRAKE
SYSTEM
(ABS)
0013209
ANTILOCK
BRAKE
SYSTEM
(ABS)
Page 750 of 759
WARNING
Your
common
sense,
good
judge-
ment,
and
general
alertness
are
cru-
cial
to
safe
and
successful
service
work
.
Before
attempting
any
work
on
your
BMW,
read
the
warnings
and
cautions
on
page
vi¡
and
the
copyright
page
at
the
front
of
the
manual
.
Review
these
warnings
and
cautions
each
time
youprepare
to
work
on
your
BMW
.
Please
also
read
any
warnings
and
cautions
that
accom-
pany
the
procedures
in
the
manual
.
A
ABS
(anti-lock
brakes)
See
Brakes
Accelerator
and
throttle
linkage
See
Maintenance
program
Air
conditioning
general
information
640-1
air
distribution
motor,
replacing
(rotary
knob)
640-10
air
distribution
motors
640-9
blower
motor,
removing/installing
640-1blower
motor
resistor
pack,
replacing
640-3
compressor,
replacing
640-12
compressor
clutch
640-13
condenser,
replacing
640-14
control
head
640-7
removing/installing
(digital
-display)
640-8
removing/installing
(rotary
knob)
640-7
control
module
removing/installing
(digital-display)
640-8
removing/installing
(rotary
knob)
640-8
evaporator,
removinglinstalling
640-17
evaporator
temperature
sensor,
replacing
640-17
expansion
valve,
removing/installing
640-16
microfilter,
replacing
640-18
receiverldrier,
replacing
640-15
sensor
fan
forinterior
temperature,
replacing
640-9
warnings
and
cautions
640-11
Air
distribution
(flap)
motor
See
Air
conditioning
See
also
Heating
Air
filter
See
Maintenanceprogram
Airbag
system
(SRS)
general
information
721-1
contact
ring,
replacing
721-3
driver
side
airbag,removing/installing
721-5
front
crash
sensor,
replacing
721-4
front
side-impact
airbag,
removing/
installing
721-7
front
side-impact
airbag
crash
sensor,
removing/installing
721-5
passenger
side
airbag,
removing/
installing
721-6
sensors
and
electronics
721-1
SRS
warning
light
and
fault
display
721-2
systems
721-1
ZAE
control
module,
replacing
721-5
Alarm
system
See
Central
locking
and
anti-theft
Alternator
See
Battery,
starter,
alternator
Anti-freeze
(Engine
coolant)
See
Maintenance
program
Anti-theft
See
Central
lockíng
and
anti-theft
AST
(Al¡
season
traction)
300-4
ATF
(Automatic
transmission
fluid)
See
Automatic
transmission
Automatic
transmission
See
alsoTransmission-general
general
information
240-1
ATF,draining
and
filling
240-2
ATF
leve¡,
checking
240-1
transmission
removaland
ínstallation
240-4
transmission,
removinglinstalling
240-4
transmission
service
240-1
Auxiliary
fan
See
Cooling
system
Axle
joint
See
Maintenance
program
B
Back-up
light
switch
See
Manual
transmission
Balljoint
See
Front
suspension
Battery
See
Battery,
starter,
alternator
Battery,
starter,
alternator
See
also
Maintenance
program
general
information
121-1
alternator,
removing/installing
(4-
cylinder
engine)
121-5
alternator,
removinglinstalling
(6-
cylinder
engine)
121-6
alternator
brushes,
inspecting/
replacing
121-7
alternator
service
121-4
batterycharging
121-4
battery
load
voltage
test
121-4
batteryopen-circuit
voltage
test
121-4
battery
service
121-3
INDEX
1
Battery,
starter,
alternator
(cont
.)
battery
testing
121-3
charging
system
quick
check121-2
charging
system
troubleshooting
121-
2
hydrometer
testing
121-3
solenoid
switch,
removinglinstalling
121-10
starter
service
121-7
starter
troubleshooting
121-7
starter,
removing/installing(4-cylinder
engine)
121-8
starter,
removing/installing(6-cylinder
engine
with
automatic
transmission)
121-9
starter,
removing/installing
(6-cylinder
engine
with
manual
transmission)
121-8
static
current
draw,
checking
121-2
voltage
regulator,
removing/installing
121-6
Bearing,
wheel
See
Front
suspension
or
Rear
suspension
Blowermotor
See
Air
conditioning
See
also
Heatíng
BMW
emblem
See
Exterior
trim,
bumpers
Body-general
general
information
400-1
body
assembly
400-1
central
body
electronics
400-4
convertible
models
400-2
coupe
models
400-2
electronic
immobilizatíon
system
400-
4
exterior
and
aerodynamics
400-2
heating
afhdair
conditioning
400-5
instruments
and
controls
400-4
interior
equipment
400-3
seats
and
seatbelts
400-3
Body
side
molding
See
Exterior
trim,
bumpers
Brake
fluid
See
Maintenance
program
Brakes
general
information
340-1
antilock
brake
system
(ABS)
340-11
inspection
340-12
wheelspeed
sensors,
replacing
340-12
bleeding
brakes
340-3
brake
booster,
removinglinstalling
340-8
brake
caliper,
removing/installing
340-6
brake
pads,
calipers,
and
rotors
340-3
brake
pads,
replacing
340-4
brake
rotor,
removing/installing
340-7
master
cylinder,
removing/installing
340-7
parking
brake
340-10
adjusting
340-10
.
cable,
replacing
340-11
shoes,
removinglinstalling
340-11
Page 755 of 759
6
INDEX
Ignition
system
general
information
120-1basictroubleshooting
principies
120-3camshaft
position
(CMP)
sensor
120-
6
camshaft
positíon
(CMP)
sensor,
replacing
(4-cylinder
engine)
120-6camshaft
position
(CMP)
sensor,
replacing
(6-cylinder
engines)
120-7
checking
for
spark
120-3
crankshaftposition/rpm
sensor
120-5
crankshaft
position/rpm
sensor,
testing/replacing
(front
mounted
sensor)
120-6
crankshaft
positíon/rpm
sensor,
testing
(rear
mounted
sensor)
120-6
disabling
ignition
system120-2
ignition
coil,
testing
and
replacing
(4-
cylinder
engines)
120-3
ignition
coil,
testing
and
replacing
(6-
cylinder
engines)
120-4
ignítion
firing
order
120-7
ignition
system
diagnostics
120-3
ignition
system
schematics
120-7
ignition
system
service
120-3knock
sensors,
replacing
120-7warnings
and
cautions
120-2
Inspectíon
I
and
Inspection
II
See
Maintenanceprogram
Instrumentpanel
See
interior
trim
Instruments
general
information
620-1
instrument
cluster,
removinglinstalling
620-1
instrument
cluster,
self-testing
620-1
instrument
cluster
bulbs,
replacing
620-2
multi-information
display
(MID),
620-4
multi-information
display
(MID),
removing/installing
620-4
odometer
coding
plug,
replacing
620-
2
vehicle
speed
sensor,
replacing
620-3
Intake
manifold
4-cylinder
engíne,
removing
113-3
6-cylinder
engine,
removing
113-11
See
alsoCylinder
head
removal
and
installation
Intake
air
temperaturesensor
See
Fuel
injection
Interior
trim
general
information
513-1
center
console,
removing/installing
513-1
dashboard,
removing/installing
513-3
glove
compartment,
removing/
installing
513-2
lower
left
dash
panel,
removing/
installing
513-2
J
Jump
startíng
010-12
K
Knock
sensor
See
Ignition
system
L
Leather
upholstery
See
Maíntenance
program
Leve¡
sender
See
Fuel
pump
Lubrication
system
general
information
119-1
oil
pan,
removing/installing
(4-cylinder
engines)
119-2
oil
pan,
removing/installing
(6-cylinder
engine,
1992models)119-4
oil
pan
119-2
oil
pan,
removing/installing
(6-cylinder
engine,
1993
and
later
models)
119-6
oil
pressure,
checking
119-1
oil
pressure
warningsystem,
testing
119-2
oil
pump
119-8
oil
pump,
removing/installing
(4-cylinder
engine)
119-8
oil
pump,
removing/installing
(6-cylinder
engine)
119-9
troubleshooting
119-1
M
Maíntenance
program
general
information
020-2
accelerator
and
throttle
linkage
020-13
air
filter,
replacing
020-11
automatic
transmission
fluid
020-8
automatic
transmission
service
020-18
battery,
checking
and
cleaning
020-12
battery,
replacing
020-12
BMW
service
indicator
020-2
body
and
hinges,
lubricating
020-19
brake
fluid
020-9
brake
fluid,
replacing
020-17
brake
pad/rotor
wear,
checking
020-17
brake
system,
inspecting
020-17
clutch
fluid,
checking
020-19
cooling
system
service
020-14
drive
axle
joint
boots,
inspecting
020-19
engine
coolant
(anti-freeze)
020-9
engine
drive
belts
020-13
engine
oil,
checking
leve¡
020-9
Maintenance
program
(cont
.)
engine
oil
and
filter,
changing020-9engine
oil
service
020-9
exhaust
system,
inspecting
020-18
exterior
washing020-20
final
drive
gear
oil
020-9
final
drive
oil
level,
checking
020-18
front
suspension
and
steering
linkages,
inspecting
020-18
fuel
filter,
replacing
020-16
fuel
tank
and
fuel
lines,
inspecting
020-19
¡dle
speed
020-12
inspection
I
and
inspection
11
020-2
interior
care020-20
leather
upholstery
and
trim
020-20
maintenance
tables
020-3
manual
transmission
fluid,
checking
and
filling
020-18manual
transmission
fluid
020-8
manual
transmission
service
020-18oxygensensors
020-15
parking
brake,
checking
020-17
polishing
020-20
poly-ribbed
belt,
replacing
020-13
power
steering
fluid
020-9
power
steering
fluid,
checking
leve¡
020-14
rear
suspension,
inspecting
020-18
resetting
service
indicator
020-3
seat
belts
020-20
spark
plugs,
replacing
020-11
special
cleaning
020-20
tires,
checking
inflation
pressure
020-17
tires,
rotating
020-17
v-belt,
replacing
020-13
washing
chassis
020-20waxing020-20
windshield
wiperblade
maintenance
020-19
wheels,
aligníng
020-17
Manual
transmission
See
also
Maintenance
program
See
also
Transmission-general
general
information
230-1
back-up
light
switch,
replacing
230-2
inputshaft
sea¡,
replacing
(transmission
installed)
230-5
output
shaftsea¡,
replacing
(transmission
installed)
230-4
selector
shaft
sea¡,
replacing
(transmission
installed)
230-3
transmission
fluid,
replacing
230-2
transmission
fluidlevel,
checking
230-2
transmission
fluid
service
230-1
transmission
removal
and
installation
230-5
transmission,
removing/installing
230-
6
transmission
service
230-2
Mass
air
flow
sensor
See
Fuel
Injection