thermo BMW 318i 1992 E36 Owner's Manual
[x] Cancel search | Manufacturer: BMW, Model Year: 1992, Model line: 318i, Model: BMW 318i 1992 E36Pages: 759
Page 204 of 759

170-10
RADIATOR
AND
COOLING
SYSTEM
Coolant
pump,
replacing
The
engine
coolant
pump
is
mounted
in
the
frontof
the
en-
gine
on
the
timing
cover
.
See
Fig
.
16
.
Fig
.
16
.
Coolant
pump
mounted
on
timing
cover
.
NOTE-
Onlyreplacement
coolant
pumps
with
metal
¡mpellers
should
be
installed
.
Pumps
with
plastic
impellers
should
not
be
used
.
1.
Drain
cooling
system
as
described
earlier
.
0013197
WARNING
-
Allow
cool¡ng
system
to
cool
before
open¡ngor
drain¡ng
system
.
2
.
Remove
primary
cooling
fan
shroud
and
cooling
fan
(belt-driven
or
electric)
as
described
earlier
.
Fig
.
17
.
Engine
drive
belt
tensioner
being
released
on
M44
engine
.
Pry
off
tensioner
cover
and
then
lever
tensioner
in
counterciock-
wise
direction
(as
facing
engine)
and
slip
belt
off
pulleys
.
Fig
.
18
.
Drive
belt
tensioner
being
released
on
M52
engine
.
Pry
off
3
.
Disconnect
hoses
from
thermostat
housing
.
Unbolt
tensioner
cover
and
then
lever
tensioner
clockwise
(as
facing
thermostat
housing
from
front
of
cylinder
head
.
engine)torelease
belt
tension
.
4
.
Remove
coolant
pump
drive
belt
.
See
Fig
.
17
or
Fig
.
18
.
NOTE-
-
Mark
direction
of
drive
belt
rotation
if
reusing
belt
.
"
The
6-cylinder
coolant
pump
¡s
mounted
on
studs
and
retained
by
nuts
.
"
Severa¡
drive
belt
and
tensioner
configurations
havebeenused
in
E36
models
.
Refer
to
020
Maintenance
Program
and
640
Heating
and
Air
Conditioning
.
5
.
Remove
coolant
pump
pulley
from
pump
.
6
.
Remove
mounting
fasteners
from
pump
.
COOLING
SYSTEM
SERVICE
NOTE-
"
The
4-cylinder
coolant
pump
¡s
mounted
us¡ng
two
dif-
terent
length
bolts
.
Note
where
thelonger
bolt
fits
dur-
ing
disassembly
.
0011989
7
.
Insert
twoscrews
(M6)
in
tapped
bores
and
tighten
uni-
formly
until
pump
is
free
from
timing
chain
cover
.
See
Fig
.
19
.
Page 205 of 759

Fig
.
19
.
Coolant
pump
being
removed
.
Thread
two
M6
bolts
(arrows)
in
evenly
to
withdraw
pump
.
(Thermostat
and
hoseshavebeen
removed
tor
visual
access
.)
8
.
Installation
is
reverse
of
removal
.
"
Be
sure
to
replace
O-ring
and
gaskets
.
"
Coat
O-ring
with
lubricant
during
installation
.
Tightening
Torque
"
Coolant
pump
to
timing
chaincover
M6
...
.
...................
..
.
.
10
Nm
(89
in-lb)
M8
.
..
.
....................
.
.
.
22
Nm
(17
ft-Ib)
"
Coolant
pump
pulley
to
coolant
pump
.................
10
Nm
(89
in-lb)
RADIATOR
SERVICE
Radiator,
removing
and
installing
1
.
Drain
radiator
as
described
earlier
.
WARNING
-
Allow
cooling
system
to
cool
before
opening
ordraining
system
.
2
.
Remove
primary
cooling
fan
(belt-driven
or
electric)
as
described
earlier
.
3
.
Disconnect
coolingfan
and
leve¡
sensor
harness
con-
nectors
from
bottom
of
radiator,
where
applicable
4
.
Disconnect
harness
connector
from
auxiliary
fandual
temperature
switch
.
See
Fig
.
20
.
5
.
Disconnect
all
coolant
hoses
from
radiator
.
RADIATOR
AND
COOLING
SYSTEM
170-11
0012500
Fig
.
20
.
Cooling
fan
dual
temperatura
switch
(arrow)
on
right
sido
of
radiator
.
6
.
Where
applicable,
disconnectautomatic
transmission
fluid
(ATF)
cooler
lines
from
radiator
.
See
Fig
.
21
.
Fig
.
21
.
Automatic
transmission
fluid
(ATF)
linos
at
radiator
.
7
.
Carefully
pryout
radiator
retaining
clips
from
top
of
ra-
diator
.
See
Fig
.
22
.
8
.
Pul¡
radiator
up
and
out
of
car
.
NOTE-
The
radiator
rests
ontwo
rubber
mounts
.
Check
that
the
mounts
do
not
stick
to
the
bottomof
the
radiator
.
RADIATOR
SERVICE
Page 489 of 759

EKE
Power
1992-
VIO
FROMIGNITION
U
VIO
FROM
IGNITI
ON
SWITCH
SWITCH
2S
(DIAGRAM3OF7)
31
(DIAGRAM3OF7)
I
-
______________-__________--
4
-_____________________I_-FRONT
POWER
O
3
3
3
3
i
14
8
8
B
18
7
26
-
4
4
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i
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-
,
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,
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F-,
ON
-BOARD
CHECKCONTROL
WIPER
WIPER
MOTOR
INSTRUMENT
BRAKELIGHT
CRUISE
CONTROL
CRUISE
CONTROL
COMPRESSOR
NORMALCOMPUTER
MODULE
RELAYRELAY
CLUSTER
SWITCH
MODULE
SWITCH
CONTROL
SPEEDRELAYRELAY
GRN
0
FROM
IGNITION
GRN
P
FROM
IGNITION
~I
I
VSWITCH
SWITCH
(DIAGRAM
30F7)
,~
(DIAGRAM
3OF7)
-------_-_____________________________________________~FRONT
POWER
TO
I
DISTRIBUTIONBOX
FUSE
F23
G
(DIAG
RAM
4
0F
7)
I
FUSE
FUSE
FUSE
FUSE
FUSE
'
F26
F24
F25
F26
-
F27
6A
10A
SA
ICA
5A
is
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CANADA
5
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33
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22
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23
AUTOMATIC
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3
1
I
TRANSMISSION
AUXILIARY
RANGESWITCH
I
-
I
I
-
I
I
-
I
CONNECTOR
MIRRORCONTROL
LIGHT
LOWBEAM
AUTOMATIC
PROGRAM
INSTRUMENT
SWITCHSWITCH
LIGHTRELAY
TRANSMISSION
SWITCH
CLUSTER
WIOEGSONLY
RANGESWITCH
FROM
___________-----1FRONTPOWER
FUSEF24
CI
DISTRIBUTION
BC
3
(DIAGRAM30F7)
FUSE
FUSEFUSE
F23
F22
F21
O
O
SA
SA
5A
DATA
LINK
6
j
2
I
CONNECTOR
REVERSING
LIGHTSWITCH
CANADA
O
"
-1993
ONLY
O4
4
4
1
S
B
3
B
53
4
I
v
I~
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v
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i
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v
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i
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i
I
i
v
v
v
v
~
v
v
~
~
v
v
~
v
v
o
n
v
v
v
v
v
v
_I
INTEGRATED
COMBINATION
INSTRUMENT
REAR
JETHEATER
MULTI-
UNLOADER
DAYTIMERUNNING
LIGHT
ASSSLIP
ABSRELAY
CLIMATE
SWITCH
CLUSTER
DEFOGGER
THERMOSWITCH
FUNCTION
RELAY
LIGHTSCODING
SWITCH
CONTROL
REGULATION
RELAY
CLOCK
DIODE
MODULE
CONTROL
MODULE
64776
Page 501 of 759

88989
FROM1~
RED
FRONT
P
.
DISTRIBUTIONBO
I/
X
(DIAGRAM
2
OF
5)
B
I
I
I
I
I
I
I
I
I
I
L
-1
BLOWER
PARK
HEATING
BLOWER
RELAY
VENTILATION
RELAYRELAY
BOX
FROM
IGNITION
GRN
SWITCH
L
(DIAGRAM
30F5)
7
OR
RED/GR
.
I
.,
1997
OR
1DSSW/OPARK
11998W/PARK
VENTILATIONVENTILATION
FROM
IGNITION
K
SRN
SWITCH
(DIAGRAM
3
OF
5)
-------------
FUSE
FUSE
F20
F28
30A
5A
Power
Distribution
1996-97
Except
318ti
(4
of
5)
AUTOMATIC
TRANSMISSION
RANGE
S
W
ITCH
ELECTRICAL
WIRING
DIAGRAMS
ELE-17
FROM
IGNITION
~
GRN
SWITCH
(DIAGRAM
3
OF
5)
-
-
-
-
FRONTPOWER
FUSE
DISTRIBUTION
BOX
r-
_1
AUXILIARY
,IS
I
I
FE
7
E
I
FUSE
BOX
5
__~
L_
1
_
5
=J
I
-_______-___
~
--_____-___
iml
REO/GRY/
.FN/N
YEL
FROM(~
RED
FRONTPOWER
II
J-
DISTRIBUTION
BOX
(DIAGRAM
2
OF
5)
B
6B
I
I
I
I
I
I
I
I
I
I
I
II
_
1-1
I
__
I
1-1
I
__I
1____l
COMPRESSOR
NORMAL
HIGH
ANTI-THEFT
HORN
RELAY
CONTROL
SPEED
SPEED
CON
TROLMODULE
RELAYRELAYRELAY
MIRROR
LIGHT
HIGH
BEAM
REVERSING
AUTOMATIC
PROGRAM
THROTTLE
SERVOTRONIC
INSTRUMENT
CONTROL
SWITCH
LIGHT
LIGHTSWITCH
TRANSMISSION
SWITCH
FLAP
CONTROL
CLUSTER
SWITCH
RELAY
RANGESWITCH
HEATER
MODULE
(1996)(1996)
L
-I
L-1
L-1
!
_I
L-1
L
-I
L-1
L-1
L-1
L-1
!
_I
L-1
L-1
AUTOMATIC
THERMOSTAT
WATER
COMBINATION
INSTRUMENT
REAR
MULTI-
UNLOADER
SLIPCONTROL
LIGHT
AEC
ABSSLIP
ASS
RELAY
CLIMATE
VALVE
SWITCH
CLUSTER
DEFOGGER
FUNCTION
RELAY
MODULE
(ABS)
SWITCH
SWITCH
CONTROLCONTROL
ASSEMBLY
RELAYCLOCK
(1996)
MODULEMODULE
_1S96
Page 506 of 759

ELE-22
ELECTRICAL
WIRING
DIAGRAMS
GRNIBLU
Wl
WIO
AUTO
AUTO
CLIMATE
GEN/YELT
CLIMATE
CONTROL
CONTROL
10437
3
FP
OM~
PED
FRONTPOWER
DISTRIBUTION
BOY%
(DIAGRAM
2
OF
5)
S
FROMIGNITION
GRN
SWITCH
1
(DIAGRAM30F5)
r-______
________-IFRONTPOWER
I
FUSEF23
K
I
DISTRIBUTIONBO%
I
(DIAGRAM
I
I
40F5)
FUSE
FUSE
FUSE
FUSE
I
I
F24
F25
F2B
F27
I
I
L
5A
10A
SA
L_______
_---_--
-
y
__J
xr
10
12
141X10012
1
=1
GRN/BL
"
GRN/I
GRNI
GRNI
VEL
VELVEL
FROM
IGNITION
GRN
FPOMIGNI710N
GRN
SWITCH
H
SWITCH
G
(DIAGRAM30F5)
(DIAGRAM
OF
5)
FROM
PED
FRONTPOWER
F
DISTRIBUTION
BOX
15X
.1901Z
11IXmlfi
(DIAGRAM20F5)
11
X102s0
__
--
--
_
----
_
hRRICC
FRONT,
POWER
_
AUXILIARY
FUSE
FUSE
USE
I
DISTRIBUTION
BOX
I
FUSE
IFUSEBO%
Fzo
Fze
1J,F1s
I
(
F47
I
5A
i
5A
_
21"~e
_________
'1llZ
_________
11j
0
.X002XgOS
121K1D2=D
11
GRNIBRR
RED/GORN
i
6(
51
41
41
el
I
I
I
I
I
I
I
I
F-,
I
I
I
I
I
I
I
I
I
I
I
I
I
I
PARKHEATING
SLOWER
AUTOMATIC
COMPRESSOR
NORMAL
HIGH
VENTILATION
RELAY
TRANSMISSION
CONTROL
SPEEDSPEED
RELAYBOX
RANGESWITCH
RELAY
RELAYRELAY
(W/PARK
VENTILATION)
X7002B
Power
Distribution
1998
Except
318ti
(4
of
5)
"
_-__--_----
.
"
----+
ROLLOVER
MIRROR
JET
LIGHT
DAYTIME
REVERSING
AUTOMATIC
PROGRAM
INSTRUMENTSENSOR
CONTROL
HEATER
SWITCH
RUNNING
LIGHTSWITCH
TRANSMISSION
SWITCH
CLUSTER
SWITCH
THERMOSWITCH
LAMPS
(W/O
EGS)
RANGE
SWITCH
MODULE
61
41
zIx1oD17
ANTI-THEFT
HORNRELAY
Co
NTROLMODULE
FROM
___________________-__-_______________,FRONTPOWER
I
FUSE
F24
K
I
DISTRIBUTION
BOX
I
(DIAGRAMFUSE
USE
FUSE
I
40F5)
I
F23
F22
F21
I
5A-vvv--vv-~vv--cvvvvcv-
5-
5A___
_j
GRNI
BLU/
VEL
W/OASC
WIASC
I
I
I
I
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I
I-I
i
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i
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-i
I
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I
I
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i
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i
I
i
III
I
!
_
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I
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I
I
I
I
I
I
I
I
I
I
I
I
I
!
_I
L-1
L
-I
L-1
L-1
AUTOMATIC
THERMOSTAT
WATER
COMBINATION
INSTRUMENT
REAR
MULTI-
UNLOADER
ON-BOARD
LIGHT
ABSCONTROL
AS
C
SLIP
ASS
RELAY
CLIMATE
VALVE
SWITCH
CLUSTER
DEFOGGED
FUNCTION
RELAY
COMPUTER
SWITCH
MODULE/
SWITCH
CONTROL
MODULE
L
ASSEMBLY
RELAY
CLOCK
MODULE
HYDRAULIC
MODULE
UNIT
Page 510 of 759

ELE-26
ELECTRICAL
WIRING
DIAGRAMS
I
I
1-7
I
I
I
I
I
I
I
I
68874
F
-
,,
_I
I
-
I
I
-
i
AUTOMATIC
I
III
TRANSMISSION
I
-
I
I
_
I
RANGESWITCH
WIOEGSONlY-1
REVERSING
LIGHTSWITCH
JET
MIRRORHEATER
CONTROL
THERMOSWITCH
SWITCH
DATA
LINK
CONNECTOR
0
Power
Distribution
1995-96
318ti
(3
of
5)
FROM
IGNITION
VIO
PROMIGHITION
VIO
FROM
IGNITION
GRN
SWITCH
D
SWITCH
R
SWITCH
(DIAGRAM2OFS)
(DIAGRAM2OF5)
(DIAGRAM
2OF5)
29
31.
.11I
~~
~N
DISTRIBUTION
I
.J
FUSE
FUSE
FUSE
I
DISTRIBUTION
BOX
1I75=
45
'4S
___________.-_-_--___-_____
15A
___________-_______
5A6_
32
VIO/Y
EL
VIOIYEL
>I
>I
I
>I
>I>I
>
101
101
,6/
1/
61
281
>--
:
2,
I
I
I
I
I
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OATALINK
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
III
I
CONNECTOR
(1996)
I
II
I
I
I
I
i
I
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I
I1
--
l
1
--
j
1--l
I
_I
L
-I
L-1
!
_I
1
--i
L
-I
L-1
WIPER
TRANSMITTER
WIPERMOTOR
DIGITAL
BOARD
INSTRUMENT
BRAKE
LIGHT
CRUISE
CRUISE
TRANSMITTER
COMPRESSOR
NORMAL
HIGH
RELAY
MODULE
RELAY
CLOCK
COMPUTER
CLUSTER
SWITCH
CONTROL
CONTROL
MODULE
CONTROL
SPEED
SPEED
(EWSII)
MODULE
SWITCH
(EWSII)
RELAYRELAYRELAY
(1998)0
I
FROMIGNITION
(
)
FRONTPOWER
GRN
GRN
SWITCH
DISTRIBUTION
BOX
(DIAGRAM
2
OF
5)
15
11
_
_________
___________________________________________-__________
II
FUSE
FUBE
FUSE
FUSE
FUSE
I
~
F28
F26
F25
F26
F27
5A
10A
5A
10A
5A
I_
.
.
_________
________
__________________
________________________
-
121
fff~~~
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SWITCH
TRANSMISSION
SWITCH
RANGESWITCH
I
_I
INSTRUMENT
CLUSTER
I
FUSE
FF
I
F23
F22F21
5A
5A
SA
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____
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FOG
COMBINATION
INSTRUMENT
REAR
LIGHT
UNL0ADES
SLIP
CONTROL
FRESH
WATER
INKS
LIGHT
ASS
SLIP
ASS
RELAY
LIGHT
SWITCH
CLUSTER
DEFOGGER
SWITCH
RELAY
NO
OULE(ASS)
AIR
VALVE
CONTROL
SWITCH
CONTROL
SWITCH
RELAY
RECIRCULATION
ASSEMBLY
SWITCH
MODULEMOTOR
Page 515 of 759

FROM
RED
RED
FROM
D
FRONTPOW
.R
D
f~~
E
FRONTPOWER
ISTRIBUTION
BOX
1/
~
1
DISTRIBUTION
BOX
(DIAGRAM
IOF3)
11
(DI
AGRAM10F3)
TO
_
_
_
_
_
_
_
_
_
_
-
-
____
_
_
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_
_
_
____
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
____
_
_
_
_
-
~
FRONTPOWER
FUSEF33
H
DISTRIBUTION
BOX
(DIAGRAM
FUSEFUSEFUSEFUSEFUSE
FU
7
S
3CF3)
F
F1
FUSE
FUSE
FUSE
II
F30
36
F36F37
F38
F9
FB
F7
L
I
15A
25A
30A
_
1
-------
OA
3020A
15A
sA
I
____
__
___________
_____
81
101
121
,a1
761
201
18
WITH
¢I
WITH
ABC
ABS
61
61
101
291
B
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_I
!
_I
L-1
L-1
L-1
L
----l
L-1
ELECTRICAL
WIRING
DIAGRAMS
ELE-31
Power
Distribution
1997
318ti
(3
of
3)
WITH
¢I
WITH
ADS
ABC
25
B9
1s
2
-~
s~
s~
31
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Page 518 of 759

ELE-34
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Page 530 of 759

ELE-46
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Page 535 of 759

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