1998 BMW M3 radiator

Tablee
.
1995
E36
Fuse
Positions



Table
e
.
1995
E36
Fuse
Positions

fuse



I
Rating



1
Protected
Circuit

28



5A



Central
locking
(see
alsofuse
7,
26,
35)Cruise
control
(see
also
fuse
46)Engine
control
module
(see
also
f
use
16,
39)
Electronic
transmission
control
(A4S
310R/Z)
(see
also
f
use
26,
46)
Starting
system
(seealsofuse
26)

29



7.5A



Headlights/foglights
(seealsofuse
11,
12,
15,17,23,
25,30)

30



7
.5A



Headlights/foglights
(seealsofuse
11,
12,
15,17,23,
25,29)

31



5A



Central
body
electronics
(ZKE
IV)
(see
also
fuse
7,
14,33,35,43)
Heating
and
A/C
(IHKR
E36)(see
also
fuse
16,20,23,
37,
39,
41)
Instrument
cluster
(see
also
fuse
23,27,
46)
Multi-function
clock
(see
also
fuse
23,26,27,
45,46)
On-Board
Computer
(seealso
f
use
11,
12,23,26,27,
33,
37,45,
46)
On-Board
Display
(seealso
f
use
23,27,45,
46)

32
1



30A
1
Cigar
lighter/ashtray
lights

33



10A



Central
body
electronics
(ZKE
IV)
(see
also
fuse
7,
14,31,35,
43)
Charging
socket
Door
lock
heating
Instrument
illumination
(see
also
fuse
22,25,
37)
Interiorlights
(also
see
fuse
7,
43)
License
plate/luggage
compartment
lights
(see
alsofuse
37)
On-Board
Computer
(seealsofuse
11,
12,23,26,27,
31,
37,45,
46)
Park/taillights
(see
also
f
use
22,
37)
Sound
system
(see
also
fuse
9,
44)
Telephone
(see
alsofuse
43)

34



15A



Crash
control
module
Turn
signals/hazard
lights
(see
also
fuse
23)

35



25A



Central
body
electronics
(ZKE
IV)
(see
also
f
use
7,
14,31,
33,43)
Central
locking
(seealso
f
use
7,
26,
28)
Convertible
roof
(see
alsofuse
7,
27,42,
43)
Rol¡-over
protection
(see
alsofuse
7,
42,
43)

36
1



30A
1
Wiper/washer
(see
alsofuse
37,
44,
45)

37



10A



Cassette
compartment
light
Engine
compartment
light
Heating
and
A/C
(IHKR
E36)(see
alsofuse
16,20,23,
31,
39,
41)
Instrument
illumination
(seealsofuse
22,25,
33)
License
plate/luggage
compartment
lights
(see
also
fuse
33)
On-Board
Computer
(see
alsofuse
11,
12,23,26,
27,
31,33,45,
46)
Park/taillights
(see
alsofuse
22,
33)
Wiper/washer
(Canada
only)
(see
also
f
use
36,
44,45)

38



30A



ABS
(see
also
fuse
10,21,23,
27,
46,
47)
AST
(see
alsofuse
10,
21,
26,27,
46)

ELECTRICAL
COMPONENT
LOCATIONS



610-27

fuse



Rating



Protected
Circuit

39



7.5A
~
Engine
control
module
(see
alsofuse
16,28)
Heating
and
A/C(IHKR
E36)(see
also
fuse
16,20,23,
31,
37,
41)

40
1



30A
1



Power
seats
(see
alsofuse5)
41



30A
~
Heating
and
A/C(IHKRE36)(see
also
fuse
16,20,
23,31,
37,
39)
Radiator
auxiliary
fan

42



7
.5A
~
Airbag
(SRS)
(see
also
fuse
43)
Convertible
roof
(see
alsofuse
7,
27,
35,
43)
Rol¡-over
protection
(see
also
fuse
7,
35,
43)

43



5A



Anti-theft
system
(Alpine)
(seealsofuse
47)
Airbag
(SRS)
(see
also
fuse
42)
Central
body
electronics
(ZKE
IV)
(seealsofuse
7,
14,31,33,35)
Central
locking
(seealsofuse
7,
35)
Convertible
roof
(see
alsofuse
7,
27,
35,
42)
Interior
lights
(also
see
fuse
7,
33)
Roll-over
protection
(see
alsofuse
7,
35,42)
Telephone
(seealsofuse
33)

44



15A
~
Glove
compartment
light
Sound
system
(see
also
f
use
9,
33)
Wiper/washer
(see
alsofuse
36,37,
45)

45



7
.5A



Multi-function
clock
(see
also
fuse
23,
26,27,
31,46)
On-Board
Computer
(see
also
f
use
11,12,23,26,
27,31,
33,37,
46)
On-Board
Display
(seealso
fuse
23,27,31,
46)
Wiper/washer
(Canada
only)
(seealsofuse
36,37,
44)

46



15A



ABS
(seealsofuse
10,21,23,27,
38,47)
AST
(seealso
fuse
10,
21,
26,
27,
38)
Brake
lights
Cruise
control
(see
also
fuse
28)
Electronic
transmission
control
(A4S
310R)
(seealsofuse
26,
28)
Instrument
cluster
(see
also
fuse
23,
27,
31)
Multi-function
clock
(see
also
fuse
23,
26,27,
31,45)
On-BoardComputer
(seealsofuse
11,
12,
23,26,
27,31,
33,37,
45)
On-Board
Display
(see
also
fuse
23,27,31,
45)

47



15A



ABS
(see
also
fuse
10,21,23,27,38,
46)
Anti-theft
system
(Alpine)
(see
alsofuse
43)

48



40A



Notused

WARNING
-

"
Fuse
designations
and
locations
are
subject
to
change,
and
may
varyfrom
car
tocar,
depending
on
options
.
lf
questions
arise,
please
remember
that
an
authorized
BMW
dealer
is
the
best
source
for
the
most
accurate
and
up-to-date
information
.

"
To
locate
fuses
47-48,
refer
to
Fuse
and
Relay
Positions
inthis
repair
group
.

FOSE
POSITION
TABLES

Table
f
.
1996
E36
Fuse
Positions



Table
f
.
1996
E36
Fuse
Positions

fuse



Rating



Protected
Circuit

28



5A



Central
locking
(see
also
fuse
7,
26,
35)Cruise
control
(see
also
fuse
46)Engine
control
module
(seealsofuse
16,
39)
Electronic
transmission
control
(A4S
310R/Z)
(seealso
f
use
26,46)
Driveaway
protection
(EWS
II)
(see
alsofuse
31,46)
Starting
system
(seealso
f
use
26)

29



7.5A



Headlights/foglights
(seealsofuse
11,
12,15,17,
23,
25,
30)

30



7
.5A



Headlights/foglights
(see
alsofuse
11,
12,15,17,
23,
25,
29)

31



5A



Driveaway
protection
(EWS
II)
(see
also
fuse
28,46)
Heating
and
A/C
(IHKR
E36)(see
also
fuse
16,
20,23,
37,39,
41,48)
Instrument
cluster
(seealso
f
use
23,27,
46)
Multi-function
clock
(seealsofuse
23,26,27,
45,46)
On-Board
Computer
(seealso
f
use
11,12,
23,26,
27,33,37,
45,46)
On-Board
Display
(see
also
fuse
23,27,45,
46)
,

32
1



30A
1
Cigar
lighter/ashtray
lights

33



10A



Central
body
electronics
(ZKE
IV)
(see
also
f
use
7,
14,35,
43)
Charging
socket
Engine
compartment
light
(also
see
fuse
37)
Instrumenf
illumination
(see
also
fuse
22,
25,37)
Interior
lights
(also
see
fuse
7,
43)
License
plate/luggage
compartment
lights
(see
alsofuse
37)
On-Board
Computer
(see
also
fuse
11,12,
23,
26,27,31,37,
45,46)
Park/taillights
(see
also
fuse
37)
Telephone
(see
also
fuse
43)

34



15A



Crash
control
module
Turn
signals/hazard
lights
(see
also
fuse
23)

35



25A



Central
body
electronics
(ZKE
IV)
(see
also
fuse
7,
14,33,
43)
Central
locking
(seealsofuse
7,
26,
28)
Convertible
roof
(see
also
fuse
7,
27,42,
43)
Roll-over
protection
(see
alsofuse
7,
42,
43)

36
1



30A
1
Wiper/washer
(seealso
fuse
44,45)

37



10A



Cassette
compartment
light
Engine
compartment
light
(also
see
fuse
33)
Heating
andA/C
(IHKR
E36)(see
also
fuse
16,20,
23,
31,39,41,
48)
Instrument
illumination
(seealso
fuse
22,
25,
33)
License
plate/luggage
compartment
lights
(see
also
fuse
33)
On-BoardComputer
(seealsofuse
11,12,
23,26,
27,31,33,
45,
46)
Park/taillights
(seealsofuse
33)

38



30A



ABS
(see
alsofuse
10,
21,23,
27,46,
47)
AST
(see
also
f
use
10,21,
26,27,
46)

ELECTRICAL
COMPONENT
LOCATIONS



610-29

fuse



1
Rating



1
Protected
Circuit

39



7
.5A
~
Engine
control
module
(see
alsofuse
16,28)
Heating
and
A/C(IHKRE36)
(see
alsofuse
16,20,
23,31,
37,41,
48)

40
1



30A
1
Power
seats
(seealsofuse
5)
41



30A
~
Heating
and
A/C(IHKRE36)(see
also
fuse
16,
20,
23,
31,37,39,
48)
Radiator
auxiliary
fan

42



7
.5A
~
Airbag
(SRS)
(see
also
fuse
26,
43)
Convertible
roof
(see
also
fuse
7,
27,35,
43)
Rol¡-over
protection
(seealso
f
use
7,
35,
43)

43



5A



Anti-theft
system
(Alpine)
(seealsofuse
47)Airbag
(SRS)
(seealso
fuse
26,
42)
Central
body
electronics
(ZKE
IV)
(see
also
fuse
7,
14,
33,35)
Central
locking
(see
also
fuse
7,
35)
Convertible
roof
(see
also
f
use
7,
27,35,
42)
Interiorlights
(also
see
fuse
7,
33)
Rol¡-over
protection
(see
also
f
use
7,
35,
42)
Telephone
(see
also
fuse
33)

44



15A
~
Glove
compartment
light
Sound
system
(seealsofuse
9)
Wiper/washer
(see
also
fuse
36,37,
45)

45



7
.5A



Multi-function
clock
(see
alsofuse
23,26,27,
31,46)
On-Board
Computer
(see
also
f
use
11,12,
23,
26,27,31,
33,
37,
46)
On-Board
Display
(see
also
fuse
23,27,
31,
46)
Wiper/washer
(see
also
f
use
36,
44)

46



15A



ABS
(see
also
fuse
10,
21,
23,27,38,
47)
AST
(seealso
fuse
10,21,26,
27,
38)
Brake
lights
Cruise
control
(seealsofuse
28)
Driveaway
protection
(EWS
II)
(seealsofuse
28,31)
Electronic
transmission
control
(A4S
310R)
(see
also
fuse
26,
28)
Instrument
cluster
(see
also
fuse
23,
27,
31)
Multi-function
clock
(see
alsofuse
23,26,
27,
31,45)
On-Board
Computer
(seealsofuse
11,
12,
23,26,
27,31,
33,37,
45)
On-Board
Display
(seealso
fuse
23,27,31,
45)

47



15A



ABS
(see
also
fuse
10,21,23,
27,38,46)
Anti-theft
(Alpine)
(see
alsofuse
43)

48



40A



Heating
and
A/C
(IHKR
E36)(see
also
fuse
16,
20,23,
31,37,39,
41)

WARNING
-

"
Fuse
desfgnations
and
locations
are
subject
to
changeand
may
varyfrom
car
to
cal
depending
on
options
.
If
questions
arise,
please
remember

that
an
authorized
BMW
dealer
is
the
bestsource

for
the
mostaccurate
and
up-to-date
information
.

"
To
locate
fuses
47-48,
refer
to
Fuse
Positions
inthis
repair
group
.

FOSE
POSITION
TABLES

Table
g
.
1997-1998
E36
Fuse
Positions



Table
g
.
1997-1998
E36
Fuse
Positions

fuse



1
Rating



1
Protected
Circuit

27



5A



Airbag
(SRS)
(seealsofuse
42)
ABS
(see
also
fuse
10,21,38,
46)
AST
(see
alsofuse
10,
21,
38,
46)
Convertible
roof
(see
also
fuses
7,
24,
42,
43,49)
Instrument
cluster
(see
alsofuse
23,31,
45,46)
Multi-function
clock
(see
also
fuse
23,
26,
31,
45,46)
On-Board
Computer
(see
alsofuse
11,12,23,26,31,33,37,45,
46)
On-Board
Display
(see
also
f
use
23,27,
31,
45,46)

28



5A



Central
locking
(see
also
fuse
7,
31,35,
45)Cruise
control
(see
also
fuse
46)
Electronic
transmission
control
(A4S
310R/Z)
(seealso
f
use
26,
46)
Electronic
transmission
control
(A5S
310Z)
(seealso
(uses
26,
46)
Driveaway
protection
(EWS
II)
(see
also
fuse
31,45)
Starting
system
(seealsofuse
31,
45)

29



7
.5A



Headlights/foglights
(seealsofuse
11,
12,15,23,
25,
30)

30



7
.5A



Headlights/foglights
(seealsofuse
11,
12,15,
17,
23,25,
29)

31



5A



Central
locking
(seealsofuse
7,
28,
35,
45)
Driveaway
protection
(EWS
II)
(see
also
fuse
28,45)
Heating
andA/C
(IHKR
E36)(see
also
fuse
16,20,23,39,41,
48)
Instrument
cluster
(see
alsofuse
23,
27,45,
46)
Multi-function
clock
(see
alsofuse
23,26,27,
45,46)
On-BoardComputer
(seealsofuse
11,12,23,26,27,33,37,
45,46)
On-Board
Display
(seealso
f
use
23,
26,
27,31,45,46)
Starting
system
(see
also
fuses
28,
45)

32



30A



Cassette
compartment
(seealso
f
uses
33,
37,44)Charging
socket
(see
also
fuses
33,37,
44)
Cigar
lighter/ashtray
lights
(seealso
f
uses
33,37,44)
Glove
compartment
light
(see
also
fuses
33,
37,44)

ELECTRICAL
COMPONENT
LOCATIONS



610-31

fuse



1
Rating



1
Protected
Circuit

33



10A



Ashtray
light
(seealso
fuses32,
37,
44)
Cassette
compartment
(seealso
fuses
32,
37,44)
Cellular
phone
(seealso
fuse
43)
Central
body
electronics
(ZKE
IV)
(seealsofuse
14,
35,
43)
Charging
socket
(seealso
fuses
32,
37,44)
Cigar
lighter
(seealso
fuses
32,37,44)
Instrument
illumination
(see
also
fuse
22,
25,37)
Interior
¡ights
(seealso
fuse
43)
Glove
compartment
light
(see
also
fuse
32,
37,44)
License
plate/luggage
compartment
lights
(see
also
fuse
37)
Luggage
compartment
light
(seealso
f
use
37)
On-BoardComputer
(see
also
f
use
11,12,
23,26,
27,
31,37,45,
46)
Park/taillights
(seealsofuse
37)
Sound
system
(seealso
fuses
9,
43,44)

34



15A



Crash
control
module
Turn
signals/hazard
lights
(see
alsofuse
23)

35



25A
~
Central
body
electronics
(ZKE
IV)
(see
also
fuse
14,
33,
43)
Central
locking
(see
also
f
use
7,
28,
31,45)

36



30A



Headlight
washers
(see
also
fuses
3,
37)
Wiper/washer
(seealsofuse
3,
37,
44)

37



10A



Ashtray
light
(see
also
(uses
32,33,
44)
Cassette
compartment
light
(seealso
fuses
32,
33,
44)
Charging
socket
(see
also
fuses
32,
33,44)
Cigar
lighter
(see
also
f
uses
32,33,
44)
Glove
compartment
light
(see
also
fuses
32,
33,44)
License
plate/luggage
compartment
lights
(seealso
f
use
33)
Instrument
illumination
(seealso
fuses
22,
25,33)
On-Board
Computer
(seealsofuse
11,12,23,
26,
27,31,33,
45,
46)
Park/taillights
(see
alsofuse
33)
Wiper
washer
module
(see
also
f
uses
3,
36,
44)

38



30A



ABS
(seealsofuse
10,
21,
27,
46)
AST
(see
also
fuse
10,21,27,
46)

39



7
.5A



Engine
control
DME
M5
.2
(see
also
fuse
16,18,
46)
Engine
control
DME
MS
41
.1
(seealso
fuses
16,18,46,
50)
Heating
andA/C
(IHKR
E36)
(see
alsofuse
12,20,23,31,
41,48)

40



30A



Power
seats
(seealsofuse
5)

41



30A
~
Heating
andA/C
(IHKR
E36)
(see
alsofuse
16,20,23,
31,
39,
48)
Radiator
auxiliary
fan

42



7
.5A



Airbag
(SRS)
(seealsofuse
27)
Convertible
roof
(seealso
f
use
7,
24,27,43,
49)
Rol¡-over
protection
(seealso
f
use
43)

FOSE
POSITION
TABLES

INSTRUMENT
CLUSTER
....
.
.
.
.
.
...
.
..
620-1

Instrument
cluster,
seif-testing
.
.
.......
.
..
620-1

Instrument
cluster,
removing
and
installing
...
620-1

Instrument
cluster
bulbs,
replacing
.
.
.
.
.
.
...
620-2

GENERAL

This
repair
group
covers
removal
and
installation
of
the
in-
strument
cluster
and
the
Multi-information
Display
(MID)
mod-
ule
.
Bulb
replacement
information
for
these
units
is
also
included
here
.

NOTE
-

A
quick
check
of
the
temperature
gauge
and
its
electri-
cal
circuitis
given
in
170
Radiator
and
Cooling
Sys-
tem
.
Use
this
procedure
to
diagnosea
faulty
temperature
gauge

INSTRUMENT
CLUSTER

When
servicing
the
instrument
cluster,
always
disconnect
the
negative
(-)
cable
from
the
battery
and
insulate
the
cable
end
to
prevent
accidental
re-connection
.

Instrument
cluster,
seif-testing

Severa¡
different
versions
of
the
basic
instrument
cluster
havebeen
fitted
in
E36
cars
.
It
is
possibleto
perform
an
instru-
ment
cluster
test
and
display
system
test
information
.

Some
of
the
information
displayed
by
the
instrument
cluster
during
seif-testing
is
used
for
interna¡
BMW
organizationpur-
poses,
suchasmatching
the
correct
instrument
cluster
com-
ponents
during
parts
replacement
.
Other
functions
test
the
various
instrument
modules
.
Self-test
is
also
used
to
recode
the
instrument
cluster
after
removal
.

In
later
production
vehicles
(1996
and
later)
the
test
results
canbe
downioaded,
via
the
diagnostic
plug,
byan
authorized
BMW
dealertechnician
.

1
.
Turn
ignition
to
"radio"position
.

2
.
Press
and
hold
reset
button
on
trip-odometer
untiltrip-
odometer
display
shows
numerical
codes
.

620
Instruments

4
.
Turn
off
ignition
.

Instrument
cluster,

removing
and
installing

INSTRUMENTS
620-1

GENERAL
.....
.
.
.
.
.
.
.
.
.
.........
.
....
620-1



Odometer
coding
plug,
replacing
.....
.
.
.
.
.
.
620-2

Vehicle
speed
sender,
replacing
...
.
.
.
.
.
.
.
.
620-3

MULTI-INFORMATION
DISPLAY
(MID)
.
.
.
620-4

Multi-Information
Display,
removing
and
installing
..
.
....
.
.........
620-4

3
.
With
each
subsequent
press
of
the
button,
a
different
function
is
tested
.
Some
functions
will
activate
need1e
gauges
.

1
.
Disconnect
negative
(-)
cable
from
battery
and
cover
terminal
with
insulating
material
.

CAUTION-

Prior
to
disconnectiog
the
battery,
read
the
battery
disconnection
cautionsgiven
at
the
front
of
this
manual
on
page
vi¡¡
.

2
.
Remove
airbag
unit
from
steering
wheel
.
See
721
Air-
bag
System
(SRS)
.
Store
unit
in
a
safe
place
.

WARNING
-

The
airbag
is
an
explosive
devfce
and
should
be
treated
with
extreme
caution
.
Improper
handling
of
the
airbag
could
cause
serious
injury
or
death
.
Store
the
airbag
with
the
horn
pad
facing
up
.
If
stored
facing
down,
accidental
deployment
couldpropel
it
vfolently
into
the
air,
causing
injury
.

3
.
With
front
wheels
pointed
straight
ahead,
remove
steer-
ing
wheel
.
See
320
Steering
and
Wheel
Alignment
.

4
.
Remove
instrument
cluster
retaining
screws
.
See
Fig
.
1
.

5
.
Place
a
towel
over
steering
column
.
Carefully
tilt
top
of
cluster
out
of
dash
panel
.
Unlock
and
disconnect
har-
ness
connectors
from
back
of
cluster
.
See
Fig
.
2
.

INSTRUMENT
CLUSTER

630-2



EXTERIOR
LIGHTING

Headlight
assembly,

removing
and
installing

CAUTION-

Followingheadlight
assembly
work
headlight

beam
aim
must
be
adjusted
using
special
equip-
ment
.

1
.
Left
side
:
Remove
air
filter
housing,
air
intake
duct,
and

air
mass
meter
.
See
100
Engine-General
.

2
.
Disconnect
harness
connectors
from
headlight
bulbs
.

3
.
Remove
front
turn
signal
.
See
Front
turn
signal
as-

sembly,
removingand
installing
later
in
this
repair

group
.

4
.
Remove
radiator
cover
.
See
Fig
.
2
.

5
.
Using
a
wrench,
brace
adjusting
nut
at
top
center
of
headlight
.
Remove
three
screws
at
top
of
assembly
.

See
Fig
.
3
.

Fig
.
3
.



Brace
headlightadjustingnut
as
shown
and
remove
top
screws
(arrows)
.

FRONT
LIGHTING

0012568
0012569

6
.
Remove
two
screwson
bottom
of
assembly
.
See
Fig
.

4
.

0012567a

Fig
.
4
.



Headlight
bottom
retaining
screws
(arrows)
.
Screws
mount
in
threaded
expanding
rivets
which
act
as
headlightheight

adjusters
.

7
.
Remove
headlight
assembly
from
front
.

8
.
On
installation,
tighten
lower
screws
first
while
holding

expanding
rivets
with
a
wrench
.
There
should
be
a
2
.5

mm
gap
between
bottom
oflens
and
front
panel
.
Use

adjusting
nut
to
raise
or
lower
headlight
unit
.
See
Fig
.
5
.

0012681

Fig
.
5
.



Measure
gap
A
(2.5
mm)
between
bottom
of
headlight
as-
sembly
and
front
panel
.

9
.
Clearance
between
hood
and
headlight
cover
should
be
1
.5
mm
.
Adjust
by
turning
upper
headlight
adjustinq
nuts,
then
tighten
down
center
screw
.
See
Fig
.
6
.

9
.
Release
blower
motor
retaining
strap
andremove
blow-
er
motor
and
fans
fromcowl
opening
.

NOTE-

Twist
and
rotate
blowermotor
assembly
to
facilítate
re-
moval
from
opening
.
If
the
blower
motor
is
to
be
rein-stafled,
use
care
not
to
damage
fan
wheels
during
removal
.
ff
the
blower
motor
fs
to
be
replaced,
cut
offfan
wheels
at
center
to
aid
in
removal
.

10
.
Installation
is
reverse
of
removal
.
When
installing
a
re-
placement
blower
motor,
instan
motor
into
cowlarea
before
installing
fan
wheels
.
Blower
motor
test
specifi-

cations
are
listed
in
Table
a
.

NOTE
-

On
replacementblowermotors
from
BMW,
thefan
wheels
come
unattached
to
aid
in
installation
.
Locatearrow
on
blower
motor
and
instan
fan
wheels
atthis
po-
sition
.
Be
sure
color
coolng
matches
.
Retain
fan
wheels
using
the
new
clips
.
See
an
authorized
BMW
parts
de-
partment
for
the
latest
parts
information
.

Table
a
.
Blower
Motor
Test
Values

Testingvoltage



13
VDC

Operating
voltage



9-15
VDC

Max
.
current
consumption
(approx
.)



12
amps

Maximum
speed



3,600-4,000rpm

Axialplay
(max
.
allowable)



1
.0
mm
(0
.04
in
.)

Blower
motor
resistor
pack,
replacing

The
blower
resistor
pack
is
clipped
into
the
upper
left
side
of
theheater
box
.

1
.
Remove
lower
left
dash
trim
panel
.
See513
Interior

Trim
.

2
.
Working
under
left
(driver's)
side
of
dash,
unclip
and

pulí
out
resistor
pack
from
sideof
heater
box
.
Remove

harness
connector
from
resistor
pack
.
See
Fig
.
7
.

3
.
Installation
is
reverse
of
removal
.

Heater
valve,
replacing

The
two-way
heater
valve
is
located
in
the
rear
of
the
engine

compartment
on
the
driver
side
.
The
solenoid
operated
valves

control
the
coolant
flow
through
the
dual-chamber
heater

core
.

1
.
Drain
engine
coolant
.
See
170
Radiator
and
Cooling

System
.

HEATING
AND
AIR
CONDITIONING



640-
3

uuiGO4I

Fig
.
7
.



Blower
fan
resistor
pack
(black
arrow)
and
resistor
pack
re-
ceptacle
(white
arrow)
below
left
sideof
dash
.

WARNING
-

Allow
the
cooling
system
to
cool
before
opening
ordraining
the
cooling
system
.

2
.
Disconnect
hoses
and
harness
connector
at
heater
valve
.
See
Fig
.
8
.

001[ó38b

Fig
.
S
.



Hoses
(A)
and
harnessconnector
(B)
at
heatervalve
.

3
.
Carefully
pull
heater
valve
out
of
rubber
mounting
and

pull
up
and
out
of
engine
compartment
.

4
.
Installation
is
reverse
of
removal
.
Use
new
hose

clamps
.
Inspect
hoses
and
replace
asnecessary
.

HEATER
AND
CONTROLS

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
.

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