ac bracket BMW 328i 1997 E36 Repair Manual
[x] Cancel search | Manufacturer: BMW, Model Year: 1997, Model line: 328i, Model: BMW 328i 1997 E36Pages: 759
Page 337 of 759

Fig
.
13
.
Lifting
arm
retaining
clips
(arrows)
at
window
slides
.
12
.
Tip
window
so
rear
ofglass
is
up
out
of
door
.
While
sup-
porting
window,
remove
window
front
limit
stopbracket
.
See
Fig
.
14
.
0013067
Fig
.
14
.
With
window
glass
shown
partially
tipped
out
of
door,
remove
bolt
A
and
loosen
bolt
B
in
order
to
remove
front
window
limit
stop
bracket
.
13
.
Take
glass
fully
out
of
door
.
14
.
Installation
is
reverse
of
removal,notingthe
following
:
"
Guide
front
of
window
into
front
guide
rail
and
rest
it
therewhile
installing
front
window
limit
stop
bracket
.
"
When
installing
window
rear
guide
bracket,
tighten
countersunk
screws
in
glass
first
(throughoutside
of
door),
then
install
guide
rail
bracket
.
"
Insert
rubber
sea¡
at
top
of
door
correctly
See
Fig
.
15
.
"
Use
new
mounting
bolts
when
reinstalling
the
side-im-
pactairbag
to
the
door
(where
applicable)
.
Reset
SRS
warning
light
and
clear
SRS
fault
memory
using
spe-
cial
test
equipment
.
See
721
Airbag
System
(SRS)
.
"
Adjust
window
as
described
later
.
"
Re-inítialize
window
regulator
motors
as
described
earlier
.
DOOR
WINDOWS
512-
7
Fig
.
15
.
Correct
installation
of
door
toprubber
seal
.
Tightening
Torques
"
Rear
guide
bracket
to
window
.......
6
Nm
(53
in-lb)
"
Rear
guide
bracket
to
roller
guide
..
.
...
...............
9
Nm
(7
ft-Ib)
Front
door
window,
adjusting
(2-door
modeis)
The
"closewith
door
shut"
feature
of
2-door
cars,
as
well
as
the
frameless
window,
makeswindow
adjustment
critical
:
WARNING
-
"
Some
1997
and
afl
1998
2-door
cars
are
fitted
with
side-impact
airbags
in
the
front
doors
.
When
ser-
vicingthe
door
windows
on
cars
with
front
side-im-
pact
airbags,
always
disconnect
the
negative
(-)
battery
cable
.
See
721Airbag
System
(SRS)
for
cautions
and
procedures
relating
to
the
airbag
sys-
tem
.
"
Adjusting
the
front
window
requires
that
the
bat-
tery
cable
be
reconnected
with
the
side-impact
airbag
disconnected
.
This
will
set
a
fault
code
in
the
SRS
control
module,
turn
on
the
SRS
warning
light,
and
disable
the
SRS
system
until
the
fault
memory
is
cleared
using
special
SRS
test
equip-
ment
.
"
There
is
risk
of
window
glass
breakage
if
correct
adjustment
proceduresare
not
used
.
If
in
doubt,
this
procedureshouldbe
left
to
a
trained
BMW
technician
.
WINDOW
SERVICE,
2-DOOR
MODELS
Page 338 of 759

512-
8
DOOR
WINDOWS
NOTE-
To
achieve
an
accurate
window
adjustment
in
2-door
models
with
"close
with
door
shut"
feature,
simulate
a
closed
dooras
follows
:
On
early
cars,
manually
turn
the
latch
on
the
door
to
the
closed
position
.
See
Fig
.
16
.
On
latercars,
insert
a
wedge
of
wood
into
the
striker
on
the
body
to
close
the
striker
switch
.
Be
sure
to
open
thero-
tary
latch
(by
pulling
upon
the
door
handle)
or
remove
the
wedge
before
closing
the
door
.
0013066
Fig
.
16
.
To
manually
close
door
latch,
push
rotary
latch
in
direction
of
arrow
.
CAUTION-
Do
not
close
the
door
with
therotary
latch
in
closed
position,
orwith
a
wedge
in
the
striker
.
WINDOW
SERVICE,
2-DOOR
MODELS
A
Window
insertion
depth
at
A-pillar
B
B-pillar
preload
gap
(measure
gap
at
20
mm
from
top
of
door)
C
Window
insertion
depth
at
roof
line/window
parallelism
(make
measurement
at
3
.5
in
.
and
16
in
.
from
B-pillar
edge)
Fig
.
17
.
2-door
window
adjustment
positions
.
NOTE-
In"
some
models
covered
inthis
manual,
it
is
not
es-
sential
to
remove
the
side-impact
airbag
to
access
in-
terna¡
door
components
.
However,
the
procedure
is
recommended
for
safety
reasons
.
"
After
each
adjustment
step,
fully
lower
and
raise
win-
dow
and
check
adjustment
before
goingon
to
the
next
step
.
"
1f
parts
of
the
front
window
mechanism
were
replaced,
make
sure
initial
adjustments
are
in
the
center
of
their
travel
range
.
Once
the
glass
isinstalled,
position
glass
to
the
rear
guide
rail
as
shown
in
Fig
.
18
.
4
.
To
set
window
preload
B
(See
Fig
.
1
g
.):
0013076
When
making
adjustments
to
the
front
door
window,
see
"
Measure
up
20
mm
(0
.75
in
.)
from
topof
door
and
Fig
.
17
.
mark
position
on
glass
.
"
Close
door
just
until
top
of
glass
contacts
seal
.
1
.
On
cars
with
side-impact
airbags,
disconnect
negative
"
Measure
gap
between
glass
(at
20
mm
mark)
and
win-
(-)
cable
from
battery
.
dow
seal
.
"
If
adjustment
is
necessary,
move
bottom
of
window
CAUTION-
guide
inor
out
to
correct
.
See
Fig
.
20
.
Prior
to
disconnecting
the
battery,
read
the
battery
"
If
further
adjustment
is
needed,
move
bottom
ofwin-
disconnection
cautionsgiven
at
the
front
of
this
dow
in
or
out
by
sliding
guide
bracket
.
Refer
to
Fig
.
18
.
manual
on
page
viii
.
2
.
Remove
interior
door
panel
and
vapor
barrier
.
See
411
Preload
Gap
Doors
.
"
B
(Referto
Fig
.
1
g
.)
Coupe
......................
.
.
.8
mm
(0
.32
in
.)
3
.
Where
applicable,
remove
side-impact
airbag
from
Convertible
..................
.
..
3
mm
(0
.12
in
.)
door
.
See
721
Airbag
System
(SRS)
.
Page 339 of 759

5tud
center
Window
glass
surface
Fig
.
18
.
Rear
guide
rail
to
rear
guide
bracket
initial
adjustment
.
Top
should
be
setat
30
mm
(1
.2
in
.)
from
glass
to
studcenter
;
bottom
should
be
set
at
34
mm
(1
.3
in
.)
from
glass
to
stud
center
.
Preload
B
Coupe
:
8
mm
Convertible
:
3
mm
0013081
Fig
.
19
.
With
top
of
glassagainst
door
sea¡(top
arrow),
measure
pre-load
B
at
20
mm
(0
.75
in
.)
above
top
of
door
.
DOOR
WINDOWS
512-
9
0013153
Fig
.
20
.
Rear
guide
rail
lower
mounting
bolts
in
bottom
of
door
(ar-
rows)
.
5
.
To
set
insertion
depth
A
(Referto
Fig
.
17
.)
:
"
Lowerwindow
about
10
in
.
t
o
access
window
bracket
at
rear
guide
.
If
necessary,
temporarily
reconnect
bat-
tery
cable
.
"
Loosen
guide
rail
bracket
and/or
rear
guide
rail
mount-
ing
bolts
and
reposition
window
left
to
right
.
See
Fig
.
21
.
orFig
.
22
.
"
Fully
close
and
align
window
.
Check
that
glass
enters
window
sea¡
to
the
specification
listed
.
"
When
adjustment
is
correct,
tighten
loosened
fasten-
ers
.
0013079
Fig
.
21
.
Loosen
nuts
on
rear
guide
bracket
(arrows)
and
reposition
glass
fore/aft
.
Holes
in
bracket
areelongated
to
allow
for
small
amounts
of
adjustment
.
WINDOW
SERVICE,
2-DOOR
MODELS
Page 340 of 759

512-
1
0
DOOR
WINDOWS
0013078
Fig
.
22
.
Move
window
fore/aftatrear
guide
rail
top
mounting
bolts
(ar-
rows)
.
Insertion
Depth
"
A
(See
Fig
.
17
.)
.
..........
.1-1
.5
mm
(0
.04-0
.6
in
.)
6
.
To
set
Insertion
depth
C
(Refer
to
Fig
.
17
.)
:
"
Lower
window
slightly
.
Loosen
stop
at
window
regula-
tor
motor
.
See
Fig
.
23
.
Fig
.
23
.
Window
regulator
stop
(arrow)
.
WINDOW
SERVICE,
2-DOOR
MODELS
0013075
"
Raise
window
.
Loosen
rear
boltat
regulator
support
arm
(5mm
Allen
wrench)
.
See
Fig
.
24
.
Align
window
parallelto
roof
line
by
moving
support
arm
up
or
clown
.
Tighten
arm
bolt
.
"
Lower
window
and
remove
rubber
plugs
at
bottom
of
door
.
If
necessary,temporarily
reconnect
battery
ca-
ble
.
"
Adjust
front
and
rear
limit
stops
so
that
window
retracts
into
window
seal
as
specified
.
See
Fig
.
25
.
"
Raise
window
to
check
adjustment
.
"
Push
regulator
stop
fully
forward
and
tighten
bolt
.
"
Closedoor
and
check
window
operation
.
0013077
Fig
.
24
.
Use
5mm
Afen
socket
to
loosen
mounting
boltat
support
bracket(arrow)
and
slide
bracket
up
or
clown
to
adjust
win-
dow
position
at
roof
line
.
(Allen
bolt
head
faces
outside
of
door
.)
CAUTION
-
"
Recheck
preload
gap
B
(step
4)
.
Excessive
pre-
load
could
cause
window
to
shatter
.
"
The
fully
closed
window
must
not
contact
the
rain
gutter
when
opening
the
door
(in
the
event
the
"close
with
door
shut"
feature
is
faulty
or
the
bat-tery
is
dead)
.
7
.
Usenew
mounting
bolts
when
reinstalling
the
side-im-
pact
airbag
to
the
door
(where
applicable)
.
Reset
SRS
warning
light
and
clear
SRS
fault
memory
using
special
test
equipment
.
See
721
Airbag
System
(SRS)
.
8
.
Replace
door
panel,
rubber
door
plugs
and
outside
doormolding
.
9
.
Re-initialize
window
regulator
motors
as
described
ear-
lier
.
Page 351 of 759
![BMW 328i 1997 E36 Repair Manual
Front
door
handle,
removing
and
installing
1
.
Closedoor
window
completely
.
2
.
Remove
front
door
panel
and
vapor
barrier
asde-
scribed
in
411
Doors
.
WARNING
-
Some
1997
and
al]
1998
cars
are
f BMW 328i 1997 E36 Repair Manual
Front
door
handle,
removing
and
installing
1
.
Closedoor
window
completely
.
2
.
Remove
front
door
panel
and
vapor
barrier
asde-
scribed
in
411
Doors
.
WARNING
-
Some
1997
and
al]
1998
cars
are
f](/img/1/2800/w960_2800-350.png)
Front
door
handle,
removing
and
installing
1
.
Closedoor
window
completely
.
2
.
Remove
front
door
panel
and
vapor
barrier
asde-
scribed
in
411
Doors
.
WARNING
-
Some
1997
and
al]
1998
cars
are
fitted
with
side-im-
pact
airbags
in
the
front
doors
.
When
servicing
the
door
handles
on
cars
with
front
side-impact
airbags,
always
disconnect
the
negative
(-)
battery
terminal
.
See
721
Airbag
System
(SRS)
for
cautions
and
pro-
cedures
relatíng
to
the
airbag
system
.
3
.
On
carswíth
side-impact
airbags,
disconnect
negative
(-)
cable
from
battery,
then
remove
airbag
module
.
CAUTION-
Prior
to
disconnecting
the
battery,
read
the
battery
disconnection
cautions
given
at
the
front
of
thís
manual
onpage
vi¡¡
.
NOTE-
In
some
models
covered
inthis
manual,
it
is
not
essen-
tial
to
remove
the
side-impact
airbag
to
access
internal
door
components
.
However,
the
procedure
is
recom-
mended
for
safety
reasons
.
4
.
Remove
door
lock
as
described
earlier
.
5
.
Remove
window
as
described
in
512
Door
Windows
.
CA
UTION-
On
models
with
side-impact
airbags,
removinglin-
stalling
the
front
window
requires
that
the
battery
cable
bereconnected
wíth
the
side-impact
airbag
disconnected
.
This
will
seta
fault
code
in
the
SRS
control
module,
turn
on
the
SRS
warning
light,
and
disable
the
SRS
system
until
the
fault
memo-
ry
is
cleared
usíng
special
SRS
test
equipment
.
6
.
Pry
out
access
plug
in
end
of
door
.
Use
screwdriver
through
access
hole
to
slide
exteriortrim
locking
plate
into
released
position
.
See
Fig
.
5
.
Remove
doorhandle
exterior
trim
piece
.
7
.
Working
inside
door,
remove
locking
clip
for
doorhan-
dle
retaining
pin
and
push
pin
out
.
8
.
Working
inside
door,
disconnect
electrical
harness
con-
nector
at
door
handle
.
Twist
plastic
connector
bracket
to
remove
from
door
handle
.
CENTRAL
LOCKING
AND
ANTI-THEFT
515-
3
0011681
Fig
.
5
.
Insert
screwdriver
into
access
hole
and
push
lockingplate
forward
(arrow)
to
release
exterior
handle
trim
.
uu11682
Fig
.
6
.
Door
handle
retaining
pin(A)
and
lock
collar
nut
(B)
.
Door
handle
trim
shown
removed
.
10
.
Remove
door
handle
fromdoor
by
angling
out
of
door
cavity
.
Removed
door
handle
assembly
is
shown
in
Fig
.
7
.
0012684
Fig
.
7
.
Door
handle
harnessconnector
(A)
;
retaining
pin
Iocking
clip
9
.
Working
at
door
exterior,
remove
handle
collar
nut
(B)
;
exterior
trim
Iocking
plate
(C)
.
Handleassembly
shown
re-
while
supporting
handle
.
See
Fig
.
6
.
moved
from
door
.
DOOR
HANDLES
AND
LOCKS
Page 358 of 759

515-10
CENTRAL
LOCKING
AND
ANTI-THEFT
EWS
II
control
module,
replacing
1
.
Disconnect
negative
(-)
cable
from
battery
.
CAUTION-
Prior
to
disconnecting
the
battery,
read
the
battery
disconnection
cautions
given
at
the
front
of
this
manual
onpage
vüf
.
2
.
Remove
glove
compartment
as
described
in
513
Inte-
rior
Trim
.
3
.
Remove
EWS
II
control
module
harness
connector
.
Pull
module
out
of
bracket
.
See
Fig
.
22
.
NOTE-
The
EWS
11
module
should
be
identified
with
EWS
11
markings
.
4
.
Installation
is
reverse
of
removal
.
Ring
antenna,
replacing
4
.
Cut
off
wire
ties
holding
wiring
harness
to
steering
col-
umn
.
1
.
Disconnect
negative
(-)
cable
from
battery
.
CAUTION
-
Prior
to
disconnecting
the
battery,
read
the
battery
disconnectioncautionsgiven
at
the
front
of
this
manualonpage
viii
.
2
.
Remove
lower
steering
column
cover
.
See
Fig
.
23
.
Transmitter/
receiver
Ring
r
module
antenna
Fig
.
22
.
Location
of
EWS
II
components
.
LOCKING
SYSTEM
AND
ELECTRONIC
IMMOBILIZATION
Fig
.
23
.
Steering
column
cover
retaining
screw
(arrow)
.
5
.
Gently
pry
off
ring
antenna
from
ignition
switch
.
7
.
Installation
is
reverse
of
removal
.
0012543
3
.
Remove
lower
left
dash
trim
panel
as
described
in
513
Interior
Trim
.
6
.
Unplug
ring
antennaharness
from
EWS
II
transmit-
ter/receiver
module
as
described
below
.
Page 397 of 759

Table
a
.
E36
Component
Locations
Component
Model
Year
Location
Refer
to
Anti-theft
Control
Module
1992-1998
Behind
glove
compartment
Fig
.
8
.
Fig
.
9
.
Anti-theft
Horn
1
1992-1998
1
Right
rear
engine
compartment
Anti-slip
(Traction)
Control
Module
1994-1998
Power
distribution
box
Fig
.
8
.
(AST/ASC+T)
Fig
.
9
.
Anti-slip
(Traction)
Control
Switch
1994-1998
In
center
console
Automatic
Climate
(A/C)
Control
1992-1998
Behind
center
console
Module
AutomaticTransmission
Range
1992-1998
~
Next
to
gear
shift
lever
in
center
console
Fig
.
29
.
Switch
(Gear
Position/Neutral
Safety
Switch)
Auxiliary
Cooling
Fan
Dual
Switch
1992-1998
Right
side
radiator
1
Fig
.
18
.
Auxiliary
Cooling
Fan
Motor
1992-1998
Behind
front
grill
Auxiliary
Fuse
Box
(Left
Splice
1992-1998
I
Behind
left
front
footwell
kick-panel
Panel)
Auxiliary
RelayPanel
1
1992-1998
1
Left
side
of
dash
under
steering
column
Auxiliary
Fuse
Box
In
Trunk
1
1997-1998
1
Right
sideof
trunk
behind
trim
panel
AuADSry
ThrottlePosition
Motor
11994-1998
Front
of
engine
compartment
B+
Jump
Start
Junction
Point
1992-1998
Right
rear
of
engine
compartment
Fig
.
7
.
Back-Up
Light
Switch
(Manual)
1992-1998
Right
or
left
side
top
of
transmission
Fig
.
30
.
Body
Electronics
Control
Module
1994-1998
Behindglove
compartment
Fig
.
8
.
(ZKE
IV)
Fig
.
9
.
Brake
Fluid
Level
Sensor
1992-1998
Top
of
brake
fluid
reservoir
at
master
cylinder
Fig
.
15
.
Brake
Light
Switch
1
1992-1998
1
On
brake
pedal
supportbracket
Brake
Pad
Sensor,
Left
Front
1
1992-1998
1
Left
front
brake
caliper
Brake
Pad
Sensor,
Right
Rear
1992-1998
Right
rear
brake
caliper
Camshaft
Actuator
(VANOS)
1993-1998
Front
of
cylinder
head
Camshaft
Position
Sensor
(Cylinder
1992-1998
Front
of
engine
Identification)
Carbon
Canister
Valve
(TLEV)
1
1997-1998
1
In
sparewheel
well
in
trunk
ELECTRICAL
COMPONENT
LOCATIONS
610-11
Fig
.
5
.
Fig
.
4
.
Fig
.
24
.
Fig
.
7
.
Central
Locking
Module
(ZVM)
11992-1993
1
Behindglove
compartment
I
Fig
.
8
.
Fig
.
9
.
Check
Control
Module
(if
applicable)
1
1992
-
1998
1
Below
left
side
of
dash
Child
Protection
Window
Control
1992-1998
Center
console
(console)
Chime
Module
1992-1998
Below
left
side
of
dash
inleft
dash
trim
panel
Clock
(Multi-Function)
1993-1998
Center
console
Clutch
Pedal
Switch
1992-1998
On
clutch
pedal
support
bracket
Continued
COMPONENT
LOCATIONS
Page 450 of 759

640-4
HEATING
AND
AIR
CONDITIONING
Heater
box,
removing
and
installing
The
heater
box,
located
underneath
thecenter
of
the
dash-
board,
houses
theheater
core,
the
A/C
evaporator,
and
asso-
ciated
sensors
and
actuators
.
Removal
of
theheater
box
requires
that
the
A/C
refrigerant
be
discharged
.
CAUTION-
"
Removing
the
heater
box
requires
evacuating
the
AIC
system
.
DO
NOT
attempt
this
procedure
without
proper
tools
and
training
.
"
Any
person
who
services
a
motor
vehicle
air
con-
ditioner
must,
by
law,
be
properly
trained
and
cer-
tified,
and
use
approved
refrigerant
recycling
equipment
.
Technicians
must
complete
an
EPA-
approved
recycling
course
to
be
certified
UU12639
Fig
.
10
.
Heater
core
mounting
nuts
at
left
sideof
bulkhead
(arrow)
.
1
.
Drain
engine
coolant
.
See
170
Radiator
and
Cooling
wiper
assembly
shown
removed
for
clarity
.
System
.
2
.
Remove
complete
dashboard
.
See513
Interior
Trim
.
3
.
Remove
blower
motoras
described
earlier
.
4
.
Remove
nut
retaining
water
hose
flange
to
rear
bulk-
head
.
I'ush
flange
to
one
side
.
See
Fig
.
9
.
Fig
.
9
.
Nut
retaining
coolant
hose
flangeat
bulkhead
(arrow)
.
NOTE-
Clear
any
remaining
coolant
from
the
heater
core
by
blowing
compressed
air
finto
the
coolant
feed
hose
.
HEATER
AND
CONTROLS
0012638b
6
.
Cut
wire
tie
holding
wire
harness
to
heater
box
and
dis-
connect
cable
harness
connector
from
heater
box
.
See
Fig
.
11
.
0012647
Fig
.
11
.
Harness
connectors
(A)
and
cable
tie
(B)
at
heaterbox,
under
driver
side
dash
.
7
.
Followingmanufacturer's
instructions,
connect
ap-
proved
refrigerant
recovery/recycling/recharging
unitto
A/C
system
and
discharge
system
.
8
.
Unbolt
A/C
refrigerantlines
flange
from
engine
bay
bulkhead
.
See
Fig
.
12
.
9
.
On
models
with
rotary-knob
A/C
control
head
:
Discon-
5
.
Remove
nuts
from
heater
box
retaining
bracket
on
en-
nect
wiring
harness
connectors
to
A/C
control
module
gine
bulkhead
left
side
.
See
Fig
.
10
.
Repeat
procedure
in
center
console
and
remove
module
.
See
Fig
.
13
.
for
right
side
nuts
.
Page 451 of 759

Fig
.
12
.
Mounting
bolt
for
A/C
refrigerant
line
flange
(arrow)
.
001Suu7
Fig
.
13
.
A/
C
control
module
(A)
behind
center
console
.
Arrows
pointto
electrical
harness
connectors
to
be
disconnected
.
CAUTION
-
Replace
heater
and
AIC
flange
O-rings
and
tight-
en
fasteners
to
specified
torques
.
0012644
HEATING
AND
AIR
CONDITIONING
640-5
Fig
.
14
.
Heating
and
ventilation
ducts
on
left
side
of
heater
box
(arrows)
.
Right
side
ducts
are
similar
.
Fig
.
15
.
Heater
box
retaining
bracket
in
center
console
(arrow)
.
0012645
10
.
Unclip
andremove
heating
and
ventilation
ducts
on
Tightening
Torques
sides
of
heater
box
.
See
Fig
.
14
.
"
A/C
refrigerant
lines
flange
to
bulkhead
..............
.
..
..
.
3
.5
Nm
(31
in-lb)
11
.
Remove
heater
box
retaining
bracket
on
center
tunnel
"
Water
hose
flange
to
bulkhead
and
remove
heater
box
.
See
Fig
.
15
.
(M6
nut)
................
.
...
..
3
.5
Nm
(31
in-lb)
"
Heater
box
retaining
bracket
12
.
Installation
is
reverse
of
removal
.
Evacuate
and
re-
to
tunnel
................
.
..
..
.
4
.5
Nm
(40
in-lb)
charge
A/C
system
using
specialized
equipment
.
Fill
and
bleed
cooling
system
.
See
170
Radiator
and
Cooling
System
.
HEATER
AND
CONTROLS
Page 453 of 759

10
.
Pul¡
heater
core
up
and
backward,
away
from
heater
box
.
If
necessary,
remove
left
and
right
reinforcing
bracket
bolts
.
See
Fig
.
20
.
CAUTION-
Replace
coolant
flange
O-rings
and
tighten
fas-
teners
to
specified
torques
.
Tightening
Torques
1
.
Remove
center
console
.
See
513
Interior
trim
.
0012660
Fig
.
20
.
PA
heater
core
upand
towardback
of
car
.
Lower
mounting
bolts
for
steering
column
brace
and
glove
compartment
sup-
port
frame
may
have
to
be
removed
(arrows)
.
11
.
Installation
is
reverse
of
removal
.
Fill
and
bleed
cooling
system
.
See
170
Radiator
and
Cooling
System
.
"
Coolant
flange
to
heater
core
.
..
....
3
Nm
(27
in-lb)
Heater
andA/C
Control
Head
Heatercore
temperature
sensor,
replacing
The
automatic
heating
and
air
conditioning
systemuses
severa¡
sensors
to
control
interior
air
temperature
.
Use
the
fol-
lowing
procedure
and
the
data
in
Table
b
to
pinpoint
problems
with
theheater
core
sensors
.
2
.
Remove
Multi-Information
Display
(MID)
module
.
See
6201nstruments
.
HEATING
AND
AIR
CONDITIONING
640-7
0012648
Fig
.
21
.
Remove
heatercore
temperaturesensors
in
direction
shown
(arrow)
.
Table
b
.
Heater
CoreTemperatureSensor
Test
Values
Test
temperature
Resistance
4°F
(-20°C)
84
.39
-
109
.61
k
ohms
14
°
F
(-10°C)
48
.58
-
62
.09
k
ohms
32°F
(0°C)
28
.89
-
36
.40
k
ohms
68°F
(20°C)
11
.13
-
13
.83
k
ohms
140°F
(60°C)
2
.19
-
2
.78
k
ohms
212°F
(100°C)
0
.58
-
0
.77
k
ohms
Two
types
of
heater
and
aír
conditioning
control
heads
viere
installed
in
E36
cars
.
Early
models
have
control
heads
with
four
rotary
knobs
and
a
separate
control
module
.
A
flexible
shaft,
clipped
to
the
right
sideof
the
control
head,
controls
the
heater
flaps
.
Later
model
E36
cars,
starting
in
approximately
mid-1995,
have
digital
display
control
heads
with
buttons
.
The
A/C
con-
trol
module
is
integrated
with
the
digital
control
head
.
Heater
and
A/C
control
head,
removing
and
installing
(rotary-knob)
3
.
Pul¡
temperature
sensors
from
heater
box
and
discon-
1
.
Remove
Multi-Information
Display
(MID)
module
from
nect
harness
connectors
.
See
Fig
.
21
.
center
of
dash
.
See
620
Instruments
.
4
.
Installation
is
reverse
of
removal
.
2
.
Pul¡
off
outer
rotary
knobs
from
A/C
control
head
.
Re-
move
two
screwsonknob
bezels
.
Remove
control
pan-
el
face
plate
by
prying
it
off
control
head
gently
.
See
Fig
.
22
.
3
.
Carefully
push
control
head
back
into
dash
and
down-
ward
through
MID
opening
.
See
Fig
.
23
.
HEATER
AND
CONTROLS