
300-2
SUSPENSION,
STEERING
AND
BRAKES-GENERAL
Steering
INTEGRATED
SYSTEMS
The
steering
linkage
connects
the
rack-and-pinion
unit
through
tie
rodsto
the
steering
arms
.
The
tie
rod
ends
allow
the
wheels
to
pivot
and
react
to
suspension
travel
.
Rear
Suspension
The
rear
axle
carrier
is
the
main
mounting
point
for
the
final
drive
housing
and
the
rear
suspension
components
.
Trailing
arms
locatethe
rear
wheels
and
anchorthe
springs,
shocks
and
stabilizer
bar
.
Driveaxies
with
constant-velocity
(CV)
joints
at
both
ends
transfer
power
from
the
differential
to
the
road
wheels
.
The
differential
is
mounted
to
the
rearaxle
carrier
through
rubber
mountsand
bushings
to
hele
isolate
drivetrain
noise
and
vibration
.
Brakes
E36
cars
areequipped
with
power
disc
brakes
with
an
inte-
gral
antilock
brakes
(ABS)
.
The
parking
brake
is
a
dual-drum
system
integrated
with
the
rear
brake
rotors
.
See
Fig
.
3
.
Power
assist
is
provided
by
a
vacuum
booster
when
the
en-
gine
is
running
.
The
brakepedal
pushrod
is
connected
directly
to
the
master
cylinder,
so
failure
of
the
vacuum
booster
does
not
normally
result
in
total
brake
failure
.
0012124
Each
disc
brakeuses
a
caliper
with
a
single
hydraulic
cylin-
Fig
.
2
.
Front
suspension
control
arm
(arrow)
.
der
.
Brake
pads
in
the
left
front
and
right
rear
contain
wear
sensors
.
When
the
padsneed
replacement,the
sensors
illu-
The
front
suspension
is
designed
with
minimum
positive
minate
a
light
on
the
dashboard
.
steering
offset
.
This
geometry
contributes
to
stability
when
traction
is
unequalfrom
side
to
side
.
Suspension
travel
is
lim-
Tires
and
Wheels
ited
by
rubber
bump
stops
.
The
three
point
mounting
of
each
L-shaped
control
arm
ere-
Tiresize
is
critica¡
to
the
proper
operatíon
of
the
E36
ABS
or
cisely
controls
the
front-to-rear
and
side-to-side
position
of
the
ABS/AST
system
.
Severa¡
different
styles
of
wheels,
in
15,16
strut,
while
the
flexibility
of
the
joints
and
mounts
alsoallows
and
17
inch
diameters,
are
available
from
an
authorized
BMW
the
movement
necessary
for
suspension
travel
.
The
control
dealer
.
arm
mounting
points
are
designed
with
anti-dive
geometry
.
The
suspension
reduces
the
normaltendency
for
the
front
of
NOTE-
the
vehicle
to
dive
under
hard
braking
.
Aftermarket
wheelsshould
be
selected
wlth
care
.
Im-
properly
fitted
wheels
can
contact
anddamage
sus
Control
arm
position
is
fixed,
with
no
adjustment
provisions
pension,
brakeorbodycomponentsandmayadversely
on
the
control
arms
for
alter¡ng
front
wheel
al
ignment
.
A
stabi-
affect
vehicle
stability
.
lizer
bar
mounted
to
both
control
arms
heles
to
reduce
body
rol¡
whencomering
.
INTEGRATED
SYSTEMS
Antilock
Brake
System
(ABS)
is
standard
on
all
E36
cars
.
The
variable-assist
power
steering
system
consists
of
an
Standard
on
some
models
and
installed
as
optional
equipment
on
engine-driven
hydraulic
pump,
a
rack-and-pinion
type
steer-
others,
is
All
Season
Traction
(AST)
.
ing
gear,
and
connecting
linkage
to
the
road
wheels
.
TheE36
utilizes
an
engine-speed
dependent
variable
effort
steering
Antilock
Brake
System
(ABS)
system
.
At
low
speeds,
maximum
power
assist
is
provided
to
ease
parking
and
city
driving
.
Athigh
speeds,
assist
is
re-
The
electronically-controlled
ABS
maintains
vehícle
stabili
duced
to
ensure
stability
.
ty
and
control
during
emergency
braking
by
preventing
wheel
lock-up
.
ABS
provides
optimum
deceleration
and
stability
dur-

GENERAL
.......
.
.
.
.
.
.
.
.
.
.......
.
...
.330-1
CV
boot,
replacing
........
.
.
.
.........
.
.330-8
RIDE
HEIGHT
....
.
.
.
.
.
...
.
...
.
.
.
.
.
...
.
330-1
REAR
SUSPENSION
ARMS
.
.
.
.
.
.
.
.
.
..
.
330-9
Trailing
arm,
removing
and
installing
.
.
.
....
330-10
SHOCK
ABSORBERS
AND
SPRINGS
.
.
.
330-2
Trailing
arm
bushing,
replacing
.
...
.
.
.
.
.
..
330-11
Rear
shock
absorber,
removing
and
installing
330-3
Upper
control
arm,
removing
and
installing
.
.330-12
Coil
spring,
removing
and
installing
.
.
.
.
.
.
.
.
330-4
Lower
control
arm,
removing
and
installing
.
.330-12
REAR
WHEEL
BEARINGS
....
.
...
.
.
.
..
330-4
Rear
wheel
bearing,
replacing
.......
.
....
330-5
Final
drive
carrier,
removing
and
installing
.
.330-12
DRIVE
AXLES
..
.
.
.
.
.
.
.
.
.
.............
330-6
TABLE
a
.
Rear
Ride
Height
Specifications
..
.
............
330-1
Drive
axle,
removing
and
installing
.........
330-6
GENERAL
Special
service
tools
are
required
for
some
of
the
work
de-
scribed
in
this
repair
group
.
Read
the
procedures
through
be-
fore
beginning
any
job
.
NOTE
-
A
general
description
of
the
rear
suspension
and
a
troubleshooting
guide
can
be
found
in
300
Suspen-
sion,
Steering
and
Brakes-General
.
RIDE
HEIGHT
Rear
suspension
ride
height
is
controlled
by
the
rear
springs
.
If
the
rear
ride
height
is
not
within
the
specifications
listed,
the
rear
springs
should
be
replaced
.
Ride
height
is
measured
from
the
lower
edge
of
the
wheel
arch
to
the
bottom
edge
of
the
wheel
rim
.
See
Fig
.
1
.
Table
a
lists
rear
suspension
ride
height
specifications
.
ooy
98
These
specifications
apply
to
a
car
in
a
normally
loaded
posi-
tion
.
When
checking
ride
heightor
installing
suspension
com-
Fig
.
1
.
Ride
height
measurement
(A)
is
taken
from
center
of
wheel
ponents,
load
the
caras
follows
:
archto
bottom
of
wheel
rim
.
Normal
loaded
position
"
Each
front
seat
..
...
.
.
.............
68kg
(150
lb)
"
Rear
seat
(center)
..
.
.
.............
68
kg
(150
lb)
"
Trunk
.........
.
.
.
.
.
..............
21kg
(46
lb)
"
Fue¡
tank
.....
.
..
.
.
.
................
.
..
..
.
full
NOTE-
M3
ride
height
is
measured
with
the
car
unladen
.
330
Rear
Suspension
REAR
SUSPENSION
330-1
FINAL
DRIVE
CARRIER
.
.......
.
.
.
.
.
..
330-12
Table
a
.
Rear
RideHeight
Specifications
Wheel
size
318,323,325,
M3
modeis
328
modeis
15
inch
std
.
suspension
518
mm
(20
.39
in)
sport
suspension
~
507
mm
(19
.96
in)
16
inch
std
.
suspension
531
mm
(20
.91
in)
sport
suspension
~
520
mm
(20
.47
in)
Continued
RIDE
HEIGHT

9
.
Packeach
CV
joint
and
rubber
boot
with
specified
REAR
SUSPENSION
ARMS
amount
of
lubricant
supplied
.
Apply
adhesive
to
large
end
of
boot
and
mount
it
on
joint
.
Secure
boot
with
clamps
.
The
trailing
arms,
control
arms
and
their
mountingbushings
Apply
sealer
to
inner
CV
joint
dust
cover
and
instan
.
control
the
position
of
the
rear
wheels
.
A
damaged
suspen-
sion
arm
or
worn
bushings
will
change
the
rear
wheel
align
NOTE-
ment
and
may
adversely
affect
handling
and
stability
.
"
Before
installing
each
small
boot
clamp
be
sure
to
"burp"
the
boot
by
flexing
the
CV
joint
as
far
overas
it
WARNING
will
go
.
A
small
screw-driver
inserted
between
the
Do
notattempt
to
straighten
a
damaged
suspension
boot
and
the
axle-shaft
will
help
the
process
.
arm
.
Bending
or
heating
may
weaken
the
original
"
BMW
recommends
Bostil101513
or
EppleC4851
ad-
part
.
If
the
suspension
arm
shows
any
signs
of
hesive,
and
Epple®39
or
Curil©T
sealer
damage
or
excessive
corrosion,
it
must
be
re-
placed
.
CV
Joint
Lubricant
Capacity
"
Wheel
hub
end
ex
.
M3
..
..
.
....
.
.............
80
gram
(2.8
oz
.)
M3
..
...
.
..
.................
100
gram
(3
.5
oz
.)
"
Finaldrive
end
.................
85
gram
(3
.0
oz
.)
10
.
Install
drive
axle
as
described
earlier
.
1
.
Final
drive
carrier
2
.
Stabilizer
bar
3
.
Upper
control
arm4
.
Lower
control
arm5
.
Trailing
arm6
.
Trailing
arm
front
bracket
Fig
.
16
.
Rear
trailing
arms,
control
arms
and
final
drive
carrier
.
If
the
rear
brake
cine
is
disconnected
to
remove
a
trailing
arm,
the
complete
braking
system
must
be
bled
as
partof
the
installation
procedure
.
When
performing
repairs
to
rear
suspension
components,
refer
to
Fig
.
16
.
REAR
SUSPENSION
330-
9
0013112
REAR
SUSPENSION
ARMS

330-
1
2
REAR
SUSPENSION
Upper
control
arm,
removing
and
installing
1.
Raise
rear
end
of
car
and
remove
wheel
.
WARNING
-
Make
sure
that
the
car
is
firmly
supportedon
jack
stands
designed
for
the
purpose
.
Place
the
jack
stands
beneatha
structural
chassis
point
.
Do
not
place
jack
stands
under
suspension
parts
.
2
.
Remove
drive
axle
as
described
earlier
.
3
.
Remove
stabilizer
bar
link
fromupper
control
arm
.
4
.
Support
trailing
arm
from
below
with
a
transmission
jackorequivalent
.
WARNING
-
It
is
recommended
that
a
retaining
chain
be
in-
stalled
between
the
bottom
coil
of
the
coil
spring
and
the
upper
control
arm
to
retain
thespring
in
case
of
accidental
release
.
Personal
injury
can
re-
sult
if
the
compressed
coil
spring
ís
not
released
slowly
and
carefully
.
5
.
Remove
lower
shock
absorber
bolt
.
Refer
to
Fig
.
18
.
Slowly
lower
trailing
arm
until
coil
spring
is
fully
re-
leased
.
Remove
restraining
chain
and
remove
spring
.
7
.
Installation
is
reverse
of
removal
.
"
Always
use
new
self-locking
nuts
.
"
Have
car
professionally
aligned
when
job
is
complete
.
"
Insta¡¡
drive
axle
as
described
earlier
.
Tightening
Torques
"
Drive
axleto
final
drive
flange
M8
Torx
bolt
..........
..
.
..
....
64
Nm
(47
ft-Ib)
M10
Torx
bolt
.........
..
..
.
...
100
Nm
(74
ft-Ib)
"
Shock
absorber
to
trailing
arm
..
..
..
77
Nm
(57
ft-Ib)
"
Upper
control
arm
to
final
drive
carrier
(M12
bolt)
...
..
.
77
Nm
(57
ft-Ib)
"
Upper
control
arm
to
trailing
arm
(M12
bolt)
.........
110
Nm
(81
ft-Ib)
Lower
control
arm,
1
.
Raise
rear
end
of
car
and
support
it
securely
on
jack-
stands
.
Remove
rear
wheel
.
2
.
Remove
both
lower
control
arm
mounting
bolts
.
FINAL
DRIVE
CARRIER
3
.
Use
a
soft
hammer
to
tap
control
arm
out
of
its
mount-
ing
points
.
4
.
Installation
is
reverse
of
removal
.
NOTE-
Use
a
new
bolt
and
washer
assembly
at
the
final
drive
carrier
mountíng
point
forthe
control
arm
.
Tightening
Torque
"
Lower
control
arm
to
final
drive
carrier
(M12
bolt)
......
77
Nm
(57
ft-Ib)
"
Lower
control
arm
to
trailing
arm
(M12
bolt)
....
..
.
..
110
Nm
(81
ft-Ib)
FINAL
DRIVE
CARRIER
Final
drive
carrier,
removing
and
installing
1
.
Raise
rear
end
of
car
and
support
it
securely
on
jack
stands
.
Remove
rear
wheels
.
2
.
Remove
driveshaft
.
See
260
Driveshaft
.
3
.
Remove
both
drive
axles
as
described
earlier
.
6
.
Remove
both
upper
control
arm
mounting
bolts
.
Re-
move
control
arm
.
4
.
Disconnect
stabilizer
bar
from
upper
control
arms
.
Re-
move
stabilizer
bar
mounts
.
5
.
Disconnect
speedometer
harness
connector
on
final
drive
(where
applicable)
.
6
.
Remove
rear
section
of
exhaust
system
.
See
180
Ex-
haust
System
.
NOTE-
It
may
be
easier
to
remove
complete
exhaust
asonepiece
.
See
180
Exhaust
System
.
7
.
Remove
upper
and
lower
control
arms
as
described
earlier
.
8
.
Support
final
drive
carrierwith
transmissíon
jack
.
Re-
move
mounting
bolts
and
nuts
at
final
drive
carrier
bushing
mounts
.
See
Fig
.
22
.
9
.
Slowly
lower
final
drive
and
final
drive
carrier,
detaching
removing
and
installing
wire
harness
and
connectors
as
necessary
.
10
.
Finaldrive
may
now
be
unbolted
from
final
drive
carrier
.

Fig
.
22
.
Final
drive
carrier
mounts
(arrows)
.
11
.
Installation
is
reverse
of
removal
.
uu1J221
"
Check
and
adjust
parking
brake
as
described
in
340
Brakes
.
"
Alwaysuse
new
self-locking
fasteners
.
"
Have
car
professionally
aligned
when
job
is
complete
.
Tightening
Torques
"
Drive
axle
to
final
drive
flange
M8
Torx
bolt
................
...
64
Nm
(47
ft-Ib)
M10
Torx
bolt
..........
..
...
.
.
100
Nm
(74
ft-Ib)
"
Driveshaft
to
final
drive
flange
...
See
260
Driveshaft
"
Final
drive
carrier
to
body
......
...
77
Nm
(57
ft-Ib)
"
Final
drive
to
final
drive
carrier
(M12
bolts)
Front
mount
.................
...
95
Nm
(70
ft-lb)
Rear
mounts
................
...
77
Nm
(57
ft-Ib)
"
Road
wheel
to
wheel
hub
....
100±10
Nm
(74t7
ft-Ib)
"
Upper
or
lower
control
arm
to
final
drive
carrier
(M12
bolts)
....
.
77
Nm
(57
ft-Ib)

GENERAL
......
.
.
.
.
.
.
.
.....
.
.
.
.
.
.
.
.
.
.
331-1
Final
Drive
Oil
Seals
.
.
...
.
.
.
.......
.
.
.
.
.
331-1
Finaldrive
flange
oil
sea¡,
replacing
....
.
.
.
..
331-2
FINAL
DRIVE
SERVICE
.
.....
.
.
.
.
.
.
.
.
.
.
331-1
Finaldrive
inputshaft
oil
seal,
replacing
.
.
.
.
.
331-3
Final
drive
oí¡,
draining
and
filling
.
.
.
.
.
.
.
.
.
.
331-1
Finaldrive
unit,
removíng
and
installing
.
.
.
.
.
.
331-3
GENERAL
This
repa¡r
group
covers
repair
operations
that
do
not
re-
quire
complicated
disassembly
of
the
final
drive
.
Internal
re-
pairs
and
final
drive
disassembly
are
not
covered
in
this
manual
.
FINAL
DRIVE
SERVICE
Al¡
final
drive
work
requires
some
method
of
raising
thecar
and
supporting
it
securely
while
the
work
is
performed
.
Jack
stands
and
a
floor
jack
can
easily
be
used,
but
use
extreme
caution
when
working
beneath
the
car
.
See010
Fundamen-
tais
for
the
Do-It-Yourself
Owner
.
NOTE-
Removal
of
final
drive
carrier
is
covered
in
330
Rear
Suspension
.
Final
drive
oil,
draining
and
filling
1
.
Drive
car
to
warm
final
drive
fluid
.
2
.
Raise
car
and
support
safely
.
WARNING
-
Make
sure
that
thecar
is
firmly
supported
on
jack
standsdesigned
for
the
purpose
.
Place
the
jack
standsbeneatha
structural
chassis
point
.
Do
not
place
jack
stands
under
suspension
parts
.
5
.
Fill
final
drive
with
appropriate
type
and
quantity
of
lu-
bricant
.
Insta¡¡
and
tighten
fill
plug
.
331
Final
Drive
0
Fig
.
1
.
Final
drivedrain
plug
(A)
and
fill
plug
(B)
.
D
NOTE-
The
final
drive
fluid
level
is
correct
when
the
fluid
begins
to
spill
from
the
fill
plug
.
Final
Drive
Oil
Seals
FINAL
DRIVE
331-1
0013113
Final
DriveDrain
and
Fill
"
Oil
specifications
w/o
limited
slip
.
.......
BMW
SAF-XO
Synthetic
Oil
with
limited
slip
.
......
BMW
SAF-XIS
Synthetic
Oil
"
Final
drive
oil
capacity
4-cylinder
.
.
.
...
................
1
.1
liters
(1
.2
qt)
6-cylinder
.
.
.
...
................
1
.7liters(1.8
qt)
3
.
Place
a
drain
pail
below
final
drive
andremove
drain
and
fill
plugfrom
final
drive
.
See
Fig
.
1
.
Low
oil
level
caused
by
faulty
oil
seals
may
be
the
cause
of
noisy
final
drive
operation
or
limited-slip
chatter
.
The
drive
NOTE-
flange
(side)
and
inputshaft
(front)
oil
seals
can
be
replaced
"
Use
a14
mm
alíen
bit
socket
to
remove
the
drain
plug
.
while
the
final
drive
is
installed
.
Alternatively,
cut
approximately
30
mm
(1
.2
in)
from
an
alíen
key
and
usea
box
end
wrenchon
the
key
NOTE-
stub
.
Do
not
mistake
leaking
CV
joints
for
flangeseal
leaks
.
4
.
Install
and
tighten
drain
plug
.
It
may
be
helpful
to
degrease
the
final
drive
to
pinpoint
the
source
of
the
leak
prior
to
replacing
seals
.
FINAL
DRIVE
SERVICE

331-
4
FINAL
DRIVE
FINAL
DRIVE
SERVICE
0013242
0013243
Fig
.
5
.
Final
drive
to
final
drive
carrier
rear
(A)
and
front
mounting
bolts
(B)
.
8
.
Installation
is
reverse
of
removal
.
"
Check
and
adjust
parking
brake
as
described
in
340
Brakes
.
"
Always
use
new
self-locking
fasteners
.
"
Have
car
professionally
aligned
when
job
is
complete
.
Tightening
Torques
"
Drive
axle
to
final
drive
flange
M8
Torx
bolt
..
.
...
...
..
.........
64
Nm
(47
ft-Ib)
M10
Torx
bolt
.
.
...
...
..
........
100
Nm
(74
ft-Ib)
"
Driveshaft
to
final
drive
flange
...
See
260
Driveshaft
"
Final
drive
carrier
to
body
..
........
77
Nm
(57
ft-Ib)
"
Final
drive
to
final
drive
carrier
(M12
bolts)
Front
mount
.....
...
.
...
........
95
Nm
(70
ft-Ib)
Rear
mounts
.....
.......
.
.
.
..
...
77
Nm
(57
ft-Ib)
"
Road
wheel
to
wheel
hub
....
100±10
Nm
(74±7
ft-Ib)
"
Upper
or
lower
control
arm
to
final
drive
carrier
(M12
bolts)
...
..
77
Nm
(57
ft-Ib))

4
INDEX
Evaporator
See
Air
conditioning
EWS
(Electronic
immobilization
system)
515-8
Exhaust
system
See
also
Maintenance
program
general
information
180-1
exhaust
manifolds,
removingAnstalling
180-5
exhaustsystem,
removing/installing
180-3
Expansion
valve
See
Air
conditioning
Exterior
lighting
general
information
630-1
center
brake
light
housing,
replacing
(4-door
and
coupe
models)
630-5
foglight
assembly,
removing/installing
630-3
front
turn
signal
assembly,
removing/
installing
630-4
headlight
assembly,removing/
installing
630-2
headlight
bulb,
replacing
630-1
license
plate
light,
removing/installing
630-6
side
marker
lights
630-4
taillight
assembly,
removing/installing
630-5
taillight
bulbs,
replacing
630-4
Exterior
trim,
bumpers
general
information
510-1
BMW
embiem,
removing/installing
510-7
body
side
molding,
replacing
-7
bumper
height,
adjusting
510-6
front
bumper,
removing/installing
510-3
front
bumper
impact
absorber,
replacing
510-4
front
panel,
removing/installing
510-7
outside
rear
view
mirrors
510-1
mirror
housing,
removing/installing
510-1
mírror,
removing/installing
510-2
mirror
glass,
replacing
510-1
radiator
grille,
removing/installing
510-7
rear
bumper,
removingfinstalling
510-
4
rear
bumper
impact
absorber,
replacing
510-4
F
Fenders,
engine
hood
general
information
410-1
front
fenders
410-1
front
fender,
removing/installing
410-1
hood
aligning
410-4
hood,
raising
to
service
position
410-2
hood
release
cable
and
latches,
adjusting
410-4
hood,
removing/installing
410-3
Finaldrive
general
information
331-1
final
drive
se
rvice
331-1
flange
oil
sea¡,
replacing
331-2
inputshaft
oil
sea¡,
replacing
331-3
oil,
draining/filling
331-1
oil
seals331-1
removing/installing
331-3
Final
drive
carrier
See
Rear
suspension
Firing
order
See
Ignition
system
Flexdisc
See
DriveshaftFluids
and
lubricants
See
Maintenance
program
Foglight
See
Exterior
lighting
Front
suspension
general
information
310-1
ball
joint
See
outer
control
arm
ball
joint
control
arm,
removing/installing
310-5
control
arm
bushing,
replacing
310-7
control
arms
310-5
front
wheel
bearing,
replacing
310-8
front
wheel
bearings
310-8
outer
control
arm
ball
joint,
replacing
(except
M3)310-6
ride
height
310-4shock
absorbers
and
springs
310-2
stabilizer
bar
310-9
stabilizer
bar,
removing/installing
310-9
strut
assembly,disassembling/
assembling310-4
strut
assembly,
removing/installing
310-2subframe
crossmember
310-9subframe
crossmember,
removing/
installing
310-9
Fuel
injection
general
information
130-2
basic
engine
settings
130-2
principies
of
operatínn
130-2
Bosch
DME
Ml
.7
component
tests
and
repairs
130-14
air
floiv
sensor,testing/replacing
130-14
engine
coolant
temperature
(ECT)
sensor,
testing/replacing
130-15
¡dle
speed
control
valve,
testing/
replacing
130-16
throttle
position
sensor
(TPS),
testing/replacing
130-16
Bosch
DME
M3
.1
and
M3
.3
.1
component
tests
and
repairs
130-17
engine
coolant
temperature
(ECT)
sensor,
testing/replacing
130-18
¡dle
speed
control
valve,
replacing
130-21
¡dle
speed
control
valve,
testing
130-
20
intake
air
temperature
(IAT)
sensor,
testing/replacing
130-19
mass
air
flow
sensor130-17
Bosch
DME
M3
.1
and
M3
.3.1
(cont)
mass
air
flow
sensor
(hot
film)
testing/replacing
130-18
mass
air
flow
sensor
(hot
wire)
testing/replacing
130-17
throttle
position
sensor
(TPS),
testing/replacing
130-19
Bosch
DME
M5
.2
component
replacement
130-21engine
coolant
temperature
(ECT)
sensor,
replacing
130-22
ldle
speed
control
valve,
replacing
130-23
intake
air
temperature
(IAT)
sensor,
replacing
130-22
mass
air
flow
sensor,
replacing
130-
22
throttle
position
sensor
(TPS),
replacing
130-22
DISA
(dual
resonance
intake
system)
130-3
ECM
pin
assignments130-26
electrical
checks
andcomponent
testing
130-7engine
control
module(ECM),
accessing
130-26
fuel
delivery
tests
130-9
fuel
pressure
regulator
response
to
engine
load,
testing
130-11
fuel
pressure
regulator
130-13
fuel
pressure
regulator,
replacing
(fuel
rail
mount)130-13
fuel
pressure
regulator,
replacing
(under
car
mount)130-14
fuel
pump
relay,
testing
130-7
fuel
rail
and
injectors,
checking
130-11
fuel
rail
and
injectors,
replacing
130-
12
fuel
delivery
tests
(cont
.)
operatíng
fuel
pump
for
tests
130-9
relieving
fuel
pressure
and
connecting
fuel
pressure
gauge
130-10
residual
fuel
pressure,
testing
130-10
main
relay,
testing
130-7on-board
diagnostics
(OBD)
and
fault
diagnosis
130-4
oxygen
sensor,
testing
(Bosch
systems
only)
130-8
secondary
air
injection
130-5
Siemens
MS
41
.1
component
replacement
130-23
engine
coolant
temperature
(ECT)
sensor,
replacing
130-25
¡dle
speed
control
valve,
replacing
130-26
lntake
air
temperature
(IAT)
sensor,
replacing
130-25
mass
air
flow
sensor,
replacing
130-
25
throttle
position
sensor
(TPS),
replacing
130-26warnings
and
cautions
130-6
Fuel
filter
See
Maintenance
program