DATSUN PICK-UP 1977 Service Manual

Engine
Control
Fuel
Exhaust

Systems

2
Remove
fuel

filter

INSPECTION

Fuel

tanle

Check
fuel

tank
for

cracks
or

deformation
If

necessary
replace

2
Fuel
hose

Inspect
all
hoses
for
cracks

fatigue

sweating
or
deterioration

Replace
any

hose
that

is

damaged

3
Fuel
tube

Replace
any
fuel
tube
that
is

crack

ed
rusted

collapsed
or
deformed

Note

Inspect
hoses
and
tubes
ac

cording
to
the

periodic
mainte

nance
schedule

4

Fuel
filter

Replace
fuel
filter

according
to

the

periodic
maintenance
schedule
or

when

it
is

clogged
or
restricted

DESCRIPTION

REMOVAL

DESCRIPTION

The
exhaust

systems
installed
on

the
non
California
models
differ
in

specifications
from
those
installed
on

the
California
models
Fuel
filter
is

of
a

cartridge
type

and
cannot
be
cleaned

Always

replace

with
a
new
one

5
Fuel
tank

gauge
unit

Check

gauge
unit

for
rust
deforma

tion
or

deterioration
If

necessary

replace

INSTALLATION

To
install
reverse
the
order
of

removal
Observe
the

following

I

Install
hose

clamps
securely
Do

not

tighten
excessively
to

avoid

damaging
hoses

2
Fasten

clips
holding
fuel
tube
on

under

body
securely
Failure
to
follow

this
caution

could
result
in

damage
to

the
surface

of
fuel

tube

3
Do
not
kink

or
twist

hose
and

tube
when

they
are
routed

EXHAUST
SYSTEM

CONTENTS

FE
6

FE

8
INSPECTION

INSTAllATION

Non
California
models

The
exhaust

system
consists

of
a

front
exhaust
tube
a
main

muffler

assembly
with
rear

tube

mounting

hangers
brackets
and
a
heat

insulator

FE
6
4
Install
fIller
hose
after
fuel

tank

has
been
mounted
in

place
Failure

to

follow
this
caution
could
result
in

leakage
from

around
hose
connections

5
When

installing
fuel
tank

gauge

unit

align
the

projection
of

tank

gauge

unit
with
the

notch
in
fuel

tank
and

tighten
it

securely
Be

sure
to
install

gauge
unit

with
O

ring
in

place

6
Run

engine
and
check
for
leaks
at

connections

Tightening

torque

Drain

plug

5

0
to
6
0

kg
m

36

to
43

ft
Ib

Fuel
tank

securing
bolt

0
8
to
1
I

kg
m

6
to
8
ft
Ib

Reservoir

tank

securing

bolt

032
to
0
44

kg
m

2

to
3

ft
Ib

FE
8

FE
8

California
models

The
exhaust

system
cOllsists
of

a

front
exhaust

tube
a

catalytic
conver

ter

assembly
a
center
tube
a

main

muffler

assembly
with
rear
tube

mounting
hangers
brackets
and
heat

insulators

The

catalytic
converter
is
COD

nected
to
the
front

tube
and
the

center

tube
with
bolts
and
nuts

Engine
Control
Fuel
Exhaust
S
t

ys
ems

Non
Califomia
model

Qf

@
Si
tr
l

Qf

Si
tIJ

i
Qf

I

l
j

l
tr
l

r
Qf

Si
i
l

l

t
1

I
tr
l

9
r

8

1Bi
1
Front
tube

2
Exhaust

tube

clamp

3
Rear

tube

assembly

4
Muffler

assembly

5

Rear
tube

mounting

6
Front

tube
mounting

California
model

6

@@
8

Qf

@
fit
J
0

I

1

2

I

7
Front
tube

Catalytic
converter

Center
tube

Muffler

assembly

Diffuser

Rear
tube

mounting

Front
tube

mounting

FE390

Fig
FE
6
E
r

ha
t

system

FE
7

Engine
Control
Fuel
Exhaust

Systems

REMOVAL

Non
California
models

I
Remove
exhaust
tube
U

bolt

clamp

2

Break
sealant
off
at
front
tube
to

main
muffler

connectio
n

3
Remove
rear
tube

mounting
bolt

and

remove
muffler

assembly
with

rear

tube

4
Remove

front
tube
heat

insulator

5

Remove
nuts

securing
front
tube

to
exhaust
manifold
and

remove
front

tube

mounting
bolts
Then
detach

front
tube

When

disconnecting
the
exhaust

tube

connections

pay
attention

to
the

following
point

I

Break
old

se
lant
off
at

t
1e

connection

by

lightly
tapping
around

the
tube

witlJ
a
hammer
and

twisting

muffler
See

Figures
FE

7
and
FE
8

2

Using
a
rubber
hammer

tap
on

the
front

end
of
muffler
while

pushing

it

toward
rear
The
mumer

assembly

can
then
be
taken

out
See

Figure

FE
9

FE187

Fig
FE
7

Breaking
Bealant

FEl88

Fig
FE
8

Twisting
muffler
ijl

4

FE189

Fig
FE
9

Tapping
muffler
with

Q
rubber
hammer

California
models

I
Remove

all
heat
insulators

2

Remove
exhaust
tube
U
bolt

clamp

3

Break
sealant
off
at
center
tube

to
main
muffler

connection

4

Remove
rear
tube

mounting
bolt

and
remove
muffler

assembly
with
rear

tube

5
Remove

bolts

securing

catalytic

converter
to
center
tube
and
remove

center
tube

mounting
bolts

Then
detach
center
tube

6
Remove
bolts
and
nuts

securing

catalytic
converter
to
front
tube
and

detach

catalytic
converter

7

Remove
nuts

securing
front

tube

to
exhaust
manifold
and

remove
front

tube

mounting
bolts

Then
detach

front
tube

INSPECTION

I
Check
muffler
and
tubes
for

cracks

Qr

damage

Replace
any

part
that
is

damaged

beyond
limits

2

Replace
bracket
and

mounting

insulator
that
are
cracked

fatigued
or

sweated

FE
8
INSTALLATION

Install
the
exhaust

system
assembly

in

reverse
order
of
removal
Observe

the

following

Notes

a
Insert
front
tube
until
it
touches

emboss

b
When
there
is

110
clearance
between

front
tube
and
floor

or

propeUer

shaft
turn
tube

along
center
line
of

tube

in
the
manifold

connecting

unit
and
obtain

proper
clearance

c
Check
all
tube
connections
for
ex

haust

gas
leaks
and
entire

system

for
unusual
noises

with

engine

running

d
After
installation
check
that

mounting
brackets
and

mounting

rubbers
are
free
from
undue
stress

If

any
of
the
above

parts
is
not

installed

properly
excessive
noises

or
vibrations

may
be
transmitted
to

the
vehicle

body

e

Tightening
torque

Exhaust
manifold
to

front
tube

nut

1
9

to
2
5

kg
m

14
to
18
ft
lb

U
bolt

securing
nut

1
9
to
2
1

kg
m

14
to
15

ft
lb

Mounting
bracket
bolt

1
0
to
1
2

kg
m

710
9
ft
lb

Front

tube

mounting
bracket

bolt

california
models

1
9

to
2
1

kg
m

14
to
15
ft
lb

Catalytic
converter
to
front

and
center
tube
bolt

California
models

3
2

to
4
3

kg
m

23
to
31
ft
Ib

If
exhaust

tubes
are

separated
at

connection

t
renew
muffler

assembly

etc
use
the
Genuine
Nissan

Sealant

Exhaust
Sealant
Kit
20720
N2225

or

equivalent
See

Figure
FE
IO
to

eliminate

gas
leakage
at
the

joint
Be

sure
to
observe
the

following

Engine
Control
Fuel
Exhaust

Systems

I

Wipe
clean
all
the

contact

por

tions
of
tube

joints
allow
them

to

dry

thoroughly

2

Temporarily
mount
in

place

muffler
assembly
as
an

assembled
unit

on
the
vehicle

3
Insert

front
tube
until
it
touches

emboss

m
b
nlfrnnjj

mm

lJ
Ij

@L
J

FE263

Fig
FE
ll
Exhawt
tube

connection

4

Torque
nut

securing
the
male
and

female

tubes
at
the
connection

Tightening
torque
is
1
6

to
2

0

kg
m

12
to
14

ft
lb

5

Squeeze

approximately
5

CC
0
31

cu
in

of
sealant
into

injection
from

sealant
tube
See

Figure
FE
12
Sealant
tube

polyethylene

Injector

Fig
FE
IO
Exhaust
sealant
kit

Be

sure
to

place
cap
back
to
sealant

tube
since
sealant
will

dry

Approximately

5
cc

0
31
Cll
in

FE1l1

Fig
FE
12

Squeezing
sealant
to

injec
tor

6

Position
nozzle
of

injector
to
the

guide
and

press
it

there

firmly
Inject

sealant

slowly
until
sealant
begins
to

flow
out

of
the
slit
of
tube
This

indicates

that
the
bead

requires
no

further
sealant
Excessive
sealant
can

cause
a

clogged
tube

See

Figure

FE

13

After

injecting
wash

injector

thoroughly
in
clean

water
to
remove

all
traces

of
sealant

FE191

Fig
FE
13
Injecting
sealant

FE
9
7
Start

engine
and
let
it
idle

slowly

for
ten
minutes

minimum
to

hilfden

sealant
with
the
heat
of
exhaust

gas

8
Check
the

condition
of

sealant

before

driving
the
vehicle
It

is
also

essential
that
the

vehicle
should
not

be

accelerated

sharply
for
20
to
30

minutes

subsequent
to
this

operation

Noles

a
The
sealant

should
be
used
within

guaranty
term
indicated
on
the

kit

case

b

Exposure
of
sealant
to
the
skin

may

cause
a

rash
Wash
sealant
off
the

skin
with
water

c
Do
not

keep
the

sealant
tube
in

a

place
where
the
ambient

tempera

ture
is

above
400C
I040F
A

sealant
hardened
above
4QoC

I040F
cannot
be
used
The
most

suitable

storage
temperature
is

from

15
to
350C
59
to
950F
If
sealant

becomes
hardened
because
of
low

temperatures
wann
the
sealant

tube
with
lukewarm
water
until
the

sealant
is

softened
Do
not
warm

tube

at
a

temperature
over
400C

1040F
for
a

long
time

d

Thoroughly
read
the
instruction

sheet
furnished
with
the
kit
before

using
the
sealant
i

DATSUN
PICK
UP

MODEL

620
SERIES

I
NISSAN

I

NISSAN
MOTOR
CO
LTD

TOKYO
JAPAN
SECTION

BF

BO
DY
FRAME

CAB

BODY
AND
FRAME

REAR
BODY

BODY
FRONT
END

HOOD

DOOR

WINDSHIELD

GLASS

INSTRUMENT
PANEL

INTERIOR
TRIM
AND

CENTER
CONSOLE

SEAT
BF
2

BF
5

BF

7

BF

8

BF
11

BF
16

BF
17

BF

18

BF

19

Body
Frame

CAB

BODY
AND

FRAME

On
the
620

series
models

chassis

frames
are

classified
into
three

types

the
standard
wheelbase

model

long

wheelbase

model
and

Deluxe

Cab
The
frame
consists
of

right
and
left

side
members
which
are
linked

to

gether
with
crossmembers
to

form
a

rigid
structure
that
can

withstand
heavy
loads

The
second

crossmember

is

located
somewhat
to

the
rear
to

permit
individual

replacement
of
the

transmissiol

FRAME
ALIGNMENT

STANDARD
WHEELBASE
MODEL

f
r1
1

587
5

J
I

1

X
62
50

I

b
q

J

A
1

7
I
b

9

9

8

I
1

e

t
r

0
ij
e

6

rd

r
r
1sol

1

1
9ClS

1

085

42

721
Cl

H
1

I

11
OO

l
1

i11
175

6
89

1

069
4
42

10

942
5
37
11

1007
39
65

I

284

295

11
18
11

61
00

d

M

o
8
r

r

c

8

o
r

T
L

BF025B

Fig
BF

I
Underbody
dime1l8ion
Standard
whee

b
e

SF
2

Body
Frame

LONG
WHEELBASE
MODEL

In
4
l1

1

873
8

Ir
mrn

0

IN

bi

1
b

v
p
v
M

r
y
M

t

c
I

f

G

0
v

D
c

IS

S

t

I

y
r
M
J

1
0
10

9

V
raj
p

N

78

1

085

42

72
1
350

Ii

I

1

20
63

d3
1

U

n
L
II

t

I
T

r
r

J

M

o

C

M

o
e
I
I

o

M

0

So

I

I

Fig
BF
2

Underbody
dimensions
Long
wheelbase
BF0268

DELUXE
CAB

17

1

C

y
0
l

r
r

M
2
V

d

J

JSO

r

S

1

085

42

72

I

I
I
li4

1
069
4

42
10
942
5

37
11

284

11
18
Jr
t
r

iO

u
b
P

tl
b

c

N
0

l

f

t
0

M

00
I
0

0

0
o

1
00
N

It

1
b

t
8Qa

3
o

OS

A

b
U

n

j

1

007
39
65

1

11
61

1

M

o
bu
c
r

I
T

I

I

M

8

R
It
o

BF
3
Fig
BR

3
Underbody
dimensiom

Delu
Cab
BF027B

CAB
BODY
Body
Frame

Ist

mounting
2nd

mounting

1
Bolt

2

Plain

washer

3
Rubber
washer

4

Upper
rubber

5
Bottom

rubber

6
Plain
w

er

7

Upper
washer

8

Lower
washer

1st

mounting

REMOVAL

AND

INSTALLATION

Remove

battery
from

engine

compartment

2

Disconnect
oil
cooler
hoses
from

radiator
automatic
transmission

model

only

3

Disconnect
air
conditioner

tubes

from

condenser
if
so

equipped

4

Drain
water
from

cooling
system

completely
and
remove
radiator

and

condenser
if
so

equipped

5

Remove

engine
hood
from
hood

hinges
after

scribing
hood
for
rein

stallation

6
Remove

bumper
stay
from
frame

and
remove
front

bumper

7
Remove

radiator

grille

8
With
the

aid
of

Steering
Wheel

Puller

ST27
180001
remove

steering

wheel
from

steering
shaft

9

Remove

steering

gear
arm
from

steering
sector
shaft

using
suitable

puller

10

Remove
screws

securing

steering

shaft
dust

seat
and
insulator
in

posi

tion
2nd

mounting

3rd

mounting

II

Remove

steering
gear

housing

from
frame
and

pull
it
out
into

engine

compartment

12

Disconnect

speedometer
cable
at

transmission

1
3

Disconnect

carbon
canister

hoses

between

canister
to

vacuum

gallery
and
canister

to
intake

manifold

at
canister

14

Disconnect
air

pump
to
air

pump
air

cleaner
hose
at
air
cleaner

15

Disconnect
air
conditioner

hoses

from

compressor
if
so

equipped

16

Disconnect
air
cleaner

duct
from

body

17

Disconnect

Master
Vac
vacuum

hose
at
intake

manifold

18
Remove

snap
ring
and
control

lever

pin
from
transmission

striking

guide
and

remove
control
lever

19
Disconnect
fuel

hoses
at
fuel

strainer

20
Disconnect
fuel

return
hose

and

evaporation
hose
at
connectors

21
Disconnect
brake
and
clutch

tubes

from
each

master

cylinder

22
Remove

all

clips
securing
fuel

tubes
brake

tubes
and
clutch
tube
at

cab

body

BF
4
BF472A

Unit
mm
in

Fig
BF
4
Cab

body
mountings

23
Loosen
hand
brake
control
cable

at
brake
control
lever

Then
discon

nect
cable
from
dash

panel

Note

Place
blocks

against
front
and

rear
wheels
to

prevent
vehicle
from

rolling
off

accidentally

24
Free

accelerator
wire
from

car

buretor

25
Disconnect

heater
hoses
at

engine
side

26
Disconnect
wire
harnesses
from

related

engine
electrical

parts

27
Disconnect

engine
and

chassis

harnesses
at
their
connection

on

right

sidemember
near

rear

engine
mounting

member

28
Remove
six

bolts

securing
body

to
frame

29
With
the
use
of
suitable

ropes

and
an
overhead
hoist
lift
cab

body

straight
up

slowly
and

place
it
on
a

level
surface

Note
In

lifting
up
cab

body
use

care

not
to

dash
it

against

engine
or
rear

body
Cab

body

weighs
approxi

mately
220

kg
485
Ib

Body
Frame

30

For
installation

reverse
above

steps
However
observe

the

following

instructions

i
If
the
cab

body
is

to
be

replaced

note

position
and

location
of
insula

tors
and
washers
used

See

Figure

BF
4

2

Adjust
hand

brake
stroke

pro

perly

3

Air
bleed
brake

and
clutch

system

thorougWy

Cab

body
to
frame

mounting

bolt

torque

1

6
to
2
2

kg
m

12

to
16
ft
Ib
o
i

k

q

1Q
j

b

crru
V

J
8F630

rr

1

4
n
Fig
BF
5

Lifting

up
cab

body

REAR

BODY

1

Bolster

2

Shim
B

3
Bolster

4

Shim
A

5

Frame

6
Rubber
washer

7
Plain
washer

BF664

Fig
BF
6
Rear

body
mountings

REAR
BODY

REMOVAL

AND

INSTALLATION

The
rear

body
is

securely
fastened

to
the
frame
at

eight
places
It

should

be
hoisted
after
the
fuel
tank
is

re

moved
from

the
rear

body

Use

the

following
procedures
as
a

guide
when
removal
or

installation

of

rear

body
is

necessary

I

Apply

parking
brake

2

Disconnect
cables
from

battery

3

Disconnect
rear

combination

lamp
wiring
harness
at
connectors

4
Disconnect
fuel

hoses
from
fuel
tank
Remove
fuel
tank

from
rear

body
5

Remove

eight
rear

body

attaching

bolts

BF665

Fig
BF
7

Rear

body
mountings

BF
5

6
Attach

lifting
ropes
to
hooks
in

rear
body
as
shown
in

Figure
BF
8

and
lift

up
rear
body
slowly
and

carefully

Notes

a
When

lifting
rear

body
make
sure

that
it
is
in
a

good
balanced
cond

ition

b
While

lifting
use
care
not
to
allow

rear

body
to
hit

against
cab

body
or

any
adjacent
parts

c
The
rear

body
weighs

approxillll
te

Iy
130

kg
286
Ib

BF0288

Fig
BF

8

Lifting
up
rear

body

7
To
install
rear
body
reverse
the

order
of
removal

Carefully
observe

the
following
instructions

Make
sure
that

spacers
and
shims

used
with
bolts
are

properly
placed

in
their

original
positions
Refer
to

Figure
BF
6
for

the
location
of
these

parts

The
rear

body
to
frame

attaching

bolts
should
be

torqued
to
3
3
to
4
2

kg
m
24
to
30
ft
Ib
Body
Frame

REAR
GATE

00

REMOVAL
AND
INSTAllATION

1

W

@

BF661

I

Open
rear

gate

2

Remove
rear

gate
chain
from
ear

gate

3
Remove

rear

gate
hinge
attaching

bolts
and

take
out
rear

gate
and
rear

gate
hinge
shims

4

To
install
rear

gate
reverse
the

order
of
removal

ALIGNMENT

The
rear

gate
should

be

adjusted
so

that
there
exists

an

equal
clearance

between

body
and
the

periphery
of

rear

gate
There
should
be
no

stepped

portion
at

any
points

I

To

adjust
the

height
of

rear

gate

add
or
remove
shims
at
rear

gate
hinge

Two
sizes
of
shim
are
available
in

thickness
1
6
mm
0
0630
in
and
0
8

rom
0
0315
in

rr

r

f

r

@

C
L

i

BF
6
1
Rear

gate
chain

2
Rear
gate
chain

bolt

3
Rear

body

4
Shim

S
Hook
handle

6
Reargate

Fig
BF
9
Rear
gate

2
To

adjust
rear

gate
in

the
left
and

right
directions
loosen
rear

gate
hinge

attaching
bolts
and

move
rear

gate
as

required

3
To

adjust
rear

gate
hook
loosen

two

attaching
bolts
and
move
rear

gate

hook

up
down
or
left

right
in
elon

gated
holes
as

required

GUARD
FRAME

Optional

REMOVAL
AND

INSTAUATION

The

guard
frame
is
furnished
as
an

optional
equipment

I

Remove
nine

guard
frame
at

taching
bolts
and

detach

guard
frame

2

To
install

optional
guard
frame

reverse
the
order
of
removal

s

SF673

Fig
BF

lO
Guard

frame