HEATER
UNIT
ASSEMBLY
Removal
L
Disconnect
battery
ground
cable
2
Drain
engine
coolant
3
Remove
defroster
hoses
4
Remove
three
cable
retaining
clips
and
disconnect
control
cables
from
valves
and
water
cock
5
Disconnect
two
fan
motor
lead
wires
from
each
connector
6
Disconnect
two
resistor
lead
wires
from
each
connector
7
Disconnect
water
hoses
from
core
and
water
cock
8
Remove
three
heater
housing
mounting
bolts
and
dismount
heater
unit
from
vehicle
Installation
1
Position
heater
unit
under
instru
ment
panel
and
install
three
heater
unit
securing
bolts
2
Install
water
hoses
3
Position
heater
control
cables
to
room
valve
air
intake
valve
and
water
cock
4
Adjust
control
cable
length
for
proper
operation
as
outlined
in
Adjust
ment
5
Connect
fan
motor
wires
and
resistance
wires
to
each
connector
plug
6
Install
defroster
hoses
7
Connect
battery
ground
cable
8
Fill
cooling
systeIT
9
Run
engine
at
2
000
rpm
with
AIR
lever
in
the
HOT
position
Make
sure
that
engine
coolant
is
fIlled
up
to
correct
level
HEATER
CORE
Removal
and
installation
L
Drain
engine
coolant
2
Remove
defroster
hoses
3
Disconnect
water
hoses
from
inlet
and
outlet
pipes
of
heater
core
4
Remove
four
clips
and
front
cover
Body
Electrical
System
BE869A
Fig
BE
48
Removing
front
cov
r
S
Withdraw
heater
core
from
heater
housing
BE870A
Fig
BE
49
Removing
heater
core
6
Install
heater
core
in
the
reverse
sequence
of
removal
FAN
MOTOR
Removal
and
Installation
L
Dismount
heater
unit
assembly
from
vehicle
as
outlined
in
Removal
of
Heater
Unit
Assembly
2
Remove
nine
spring
clips
and
disassemble
heater
housing
3
Remove
fan
from
fan
motor
4
Remove
fan
motor
retaining
screws
and
fan
motor
S
Assemble
heater
housing
and
in
stall
heater
unit
to
vehicle
in
the
reverse
sequence
of
removal
as
out
lined
in
Installation
of
Heater
Unit
Assembly
I
CONTROL
ASSEMBLY
Removal
and
Installation
I
Remove
three
cable
retaining
clips
and
disconnect
control
cables
from
valves
and
cock
BE
29
2
Disconnect
three
lead
wires
from
each
connector
plug
3
Remove
radio
bezel
from
the
front
of
radio
following
instructions
in
steps
I
to
3
in
Removal
of
Radio
4
Remove
heater
control
knobs
and
heater
bezel
5
Remove
two
retaining
bolts
and
heater
control
assembly
6
Install
control
assembly
in
the
reverse
sequence
of
removal
When
connecting
control
cables
to
valves
and
cock
adjust
control
cable
length
as
outlined
in
Adjustment
ADJUSTMENT
AIR
lever
L
Move
AIR
lever
to
the
DEF
position
2
Open
air
intake
valve
and
connect
control
cable
to
air
intake
valve
3
Clip
control
cable
with
cable
re
taining
clip
Fig
BE
50
A
iT
intake
valve
4
Pull
room
valve
upward
and
con
nect
control
cable
to
room
valve
5
Clip
control
cable
with
cable
re
taining
clip
BE871A
Fig
BE
51
Room
valve
Body
Electrical
System
RADIO
Noise
prevention
Position
vehicle
in
an
open
area
away
from
steel
buildings
run
engine
extend
antenna
to
its
maximum
length
set
volume
control
to
maximum
and
set
dial
at
a
medium
point
without
catching
broadcasting
wave
Condition
Ignition
system
Noise
occurs
when
engine
is
op
erated
Charging
system
Sound
of
alternating
current
pre
sents
When
accelerator
pedal
is
depressed
or
released
noise
presents
Supplement
equipment
When
engine
starts
noise
presents
Noise
still
presents
even
after
stop
ping
engine
Notes
a
Be
sure
to
locate
capacitor
as
close
as
to
noise
source
and
connect
in
parallel
Probable
cause
Corrective
action
High
tension
wire
Install
new
high
tension
wire
Ignition
coil
Install
a
0
51lF
capacitor
to
primary
side
terminal
of
ignition
coil
Note
Be
careful
not
to
install
capacitor
to
secondary
or
primary
breaker
side
other
wise
engine
becomes
improper
Install
bond
strap
Distributor
Secure
contact
of
carbon
electric
pole
and
rotor
Eliminate
sharp
tip
on
rotor
pole
or
cap
pole
by
scrubbing
with
a
screwdriver
Check
stagger
between
rotor
and
stator
Alternator
Install
a
0
51lF
capacitor
to
charging
termi
nalA
Note
Do
not
use
a
larger
capacitor
If
capacitor
is
installed
to
terminal
F
alternator
coil
will
be
damaged
Regulator
Install
a
0
51lF
capacitor
to
IGN
terminal
of
voltage
regulator
Operative
noise
of
water
tem
perature
and
fuel
gauges
Install
O
IIlF
capacitor
between
terminal
and
ground
wire
Note
If
a
capacitor
having
a
larger
capacity
is
used
indication
of
gauge
will
be
de
viated
b
Cut
lead
wire
as
short
as
possible
c
Ground
wire
should
be
attached
on
the
body
completely
d
Make
installation
and
connection
securely
e
Carefully
identify
or
OUT
mark
IN
BE
35
