1979 DATSUN 210 steering

CAUTION

a
Be
careful
not
to
allow
ball
nut
to

run
down
to
either
end
of
worm

The
ends
of
ball

guides
will
be

damaged
if
nut
is
rotated
until
it

stops
at
the
end
of

worm

b
00
not
detach
ball
nut
from

worm

shaft

assembly
If

necessary
replace

assembly

c
Do
not

remove
sector
shaft
bush

ings
from

steering
gear
housing

If

necessary
replace
gear
housing

assembly

d
Be
careful
not
to
allow

penetration

of

any
other
element
like
dust
or

dirt

Inspection

Wash
clean
all
the
disassembled

parts
in

cleaning
solvent
and
check
for

condition

Sector
shaft

I
Check

gear
tooth
surface
for

pitting
burrs
cracks
or

any
other

damage
and

replace
if

damaged

2
Check

sector
shaft
for
distortion

of
its
serration

and
if

necessary
re

place
In
this

case
be
8ure
to
check

gear
housing
and

steering
worm

as

sembly
for
deformation

Steering
worm

assembly

I

Inspect
ball
nut

gear
tooth
sur

face
and

replace
if

pitting
burrs

wear

or

any
other

damage
is
found

2

Ball
nut
must
rotate

smoothly
on

worm

gear
If
found
too

tight
as

sembly
should
be

replaced
Check
as

follows

I

Move
ball
nut
to
either
end
of

worm

gear
and

gradually
stand

worm

shaft
and
ball
nut

assembly
until
ball

nut

moves
downward
on
worm

gear

under
its

own

weight

2
In
the

above
test
if
ball
nut
does

not
move

freely
over
entire

stroke

assembly
may
be

damaged
Replace

with

a
new
one

Note
In
this

inspection
be
careful

not
to

damage
ball
nut

guide
tube
Steering

System

ST037

Fig
ST
22
In

pecting
Steering
Worm

and
Ball
Nut

A8sembly

Bearings
and

bushings

I

Inspect
worm
bearing
for
wear

pitting
or

any
other

damage
Replace

with
a
new
one

as

required

Note
When

replacing
worm

bearing

replace
it

as
a
set

of
bearing
and

outer

race

2

If
sector
shaft

bushings
in

gear

housing
are
found
worn
or

damaged

replace
as
an

assembly
of

gear
housing

and

bushings

Oil
seals

Discard
oil
seal
which
is
once
re

moved

Replace
oil
seal
if

sealing
lip
is

deformed

or
cracked
Also
discard
oil

seal
if

spring
is

fatigued
or
dislocated

Assembly
snd

adjustment

Assemble

steering
gear
in
reverse

order
of

disassembly
Observe
follow

ing
instructions

Clean
all

parts

2
Lubricate

bearing
turning
surface

gear
surface

gear
tooth
and
other

sliding
parts
with

clean

gear
oil

3
Fill

space
between

sealing
lips
of

new
oil
seal
with
recommended
multi

purpose
grease
and
fit
it

to

gear

housing
and
rear
cover

Note

a
To

facilitate
installation
coat

seal

contacting
face
of
oil
seal
with

gear

oil

b
Press
oil
seal
into

place
with
its

lettered
side

facing
outside
of

gear

housing
or
rear
cover

5T
7
CAUTION

Be
careful
not
to
assemble
with

any

other
element
like
dust
or
dirt

Adjustment
of
worm

bearing

preload

4

Properly
position
steering
worm

assembly
in

gear
housing
with
worm

bearings
Install
rear
cover
on

gear

housing
with
worm

bearing
shims

fJ
Tightening
torqu

Rear

coyer

2
0

to
3
0

kltm

14
to
22
ft

Ibl

Note
Be
sure
to
install
the
thicker

shUn

on

gear
housing
side

Standard
shim
total
thickness
is
1
5

mm
0
059
in

Available
worm

bearing
shUn

No
Thickness
mm
in

I
0
762
0
0300

2
0
254

0
0100

3
0

127
0
0050

4
0

050
0
0020

5

Selecting
suitable

bearing
shims

adjust
worm

bearing
preload
with

Drive
Pinion
Preload

Gauge

ST3I
27S000

Initial

turning
torque

Worm

bearing

4
0

to
6
0

kg
m

3
5

to
5
2
in

bl

Note

a
Rotate
worm

shaft
a
few

turns
in

both
directions
to

settle
worm

bear

ing
in

and
measure

preload

b
When

adjusting
worm
bearing

pre

load
add
and
then
remove

shim
s

until
correct

adjustment
is

achieved

Fig
ST
23
Mea

uring
Initial

Turning

Torque

6
After
correct
worm

bearing
pre

load
has
been

obtained
remove
rear

cover
and

apply
sealant
on

housing

and

cover
sides
of
shims

Reinstall
rear
cover
with
shims
at

tached
under
cover

fJ
Tightening

torque

2
0

to
3
0

kg
m

14
to
22
fHbl

Adjustment
of

sector
shaft

and

adjusting
screw

7

Insert

adjusting
screw
with

adjust

ing
shUn

into
T

shaped
groove
at
the

sector
aft

head
and

adjust
the

end

play
between

sector
shaft

and

adjust

ing
screw

End

play
betwean
sector

shaft
and

IKljusting
screw

0

01
to
0

03
mm

0
0004

to
0
0012
in

Available
sector
shaft

adjusting

screw
shims

No
Thickness
mm
in

2
1
575

to
1

600

0

0620
to
0

0630

1

550
to
1
575

0
0610

to
0

0620

1
525
to
1

550

0

0600
to
0

0610

1
500
to
1

525

0
0591
to
0

0600
3

4

Note
When

installing

adjUsting
shim

pay
attention
to

which
face
is

upper
and
which

is
lower
Steering
System

Adjusting
shilli

Upper
1

sector

l

cover
side

ST258

Fig
ST

24

Measuri
End
l
UJy

tween
Sector

Shaft
and

AeVusting
Screw

8

Rotate
wonn
shaft

by
hand
until

ball
nut
is
in
the
center
of
travel
then

install

sector
shaft

together
with
ad

justing
screw
in

gear
housing
ensuring

that
center

gear
of
sector
shaft

engages

with
the
center

gear
of
the
ball
nut

Note
Be

careful
not
to

damage
seal

ing
lips
of
oil
seal

during
thi5

operation

9

Install
sector
shaft
cover
to

gear

chousing
Be
sure
to

apply
sealant
to

each
face
of
sector
shaft
cover

packing

when

installing
cover

By
turning
adjusting
screw
counter

clockwise
attach
sector
shaft
cover
to

gear
housing
and
then

temporarily

secure
it

with
its

futing
bolts

10
Pull
sector
shaft
toward
cover

approxUnately
2

to
3
mm
0
08
to

0
12
in

by
turning

adjusting
screw

counterclockwise
and

tighten
sector

shaft
cover

fIXing
bolts

fJ

Tightening
torque

Sector
shaft
co
er
bolts

2
0

to
3
0

kg
m

14

to
22
ft
Ib

II

Push
sector

shaft

against
ball
nut

gear
by

gradually
turning

adjusting

screw
clockwise
until
sector
shaft

gear

lightly
meshes
with

ball
nut

gear
and

then

temporarily
secure

adjusting

screw
with
lock
nut

12

Install

gear
arm
to
sector

shaft

and
move
sector
shaft
several
times

from

the
side
of

gear
ann

and
make

sure

that
it

turns

smoothly

SHl
13

Adjust
backIashat
neutral

posic

tion
of

steering
gear
by

turning
adjust

iog
screw
in

or
out
so
that

movement

of

gear
arm

top
end
is

less
than

specified
value

Backlash
at

gear
arm

top
end

Less
than

0
1

mm
0
004
in

ST
427

Fig
ST
25

Measuri
Bocklash

14

Then

tighten
lock
nut
after

mov

ing
sector

shaft
several
tUnes

fJ

Tightening
torqu

Lock
nut

2
0
to

3
0

kg
m

14

to
22
ft

Ibl

ST
428

Fig
ST
26

Tighteni
Loek

Nut

15
Measure
initial

turning
torque
of

wonn
shaft

assembly

At
center

portion

4
0
to
9
0

kt
c
m

3
5

to
7
8
in
lbl

Maximum

turning
torque

Less
than

11
0

kg
c
m
9
5
in
Ib

If
found

out
of
above

turning

torque

readjust
adjusting
screw
uniil

correct

turning

torque
is
obtained

16

Pour
recommended

gear
oil
into

assembly

through
fdler
hole
and
install

filler

plug

Specified
rofill

capaeity

GearcaS8

0
28
liter

US

pt
Imp
ptl

Inatallatlon

Install

steering
gear
in
the
reverse

order
of
removal

Observe
the

following
instructions

e

Position
steering
gear
and
rubber

coupling
in

place
then
install
and
Steering
System

tighten
bolts

securing
steering
gear

housing
to

body
side

member

GJ
Tightening
torque

Steering
gear
hou

ing
to

body
id
member

7
0

to
8
0

ku
m

51
to
58
ft
Ibl

Rubber

coupling
to
worm
haft

4
0
to
5
0

kg
m

29
to

36
ft

Ibl

Note

a

Align
the

groove
in
wonn
haft

STEERING
LINKAGE

@

@

@

lID
I

O

@

6
1
Side
rod

outer
socket

2
Side
rod

3
Side
rod
inner

socket

4
Id
ler
arm

5

Steering
gear
arm

6
Cross
rod

@
with
the
bolt
hole
in
rubberoou

piing
flange
yoke
and

press
cou

pling
bolt

through
the
undercut

section
of
wonn
sheft

b

Align
four

grooves
of

gear
ann

serrations
with
four

projections
of

sector
haft
serrations
and
install

and

tighten
lock
washer
end
nut

GJ
Tightening
torque

Gelr

arm
nut

13
to
15

kg
m

94
to

108
ft

Ibl

Tightening
torque
afbalt

and
nuts

kg
m
ft
lb

@
3
0
to
7

0
22
to

51

@
8
0
to
10
0
58
to
72

@
3

0
to
7
0
22
to
51

@
5
5

to
7
0
40
to
51

@
13
to

15
94
to
108

Iti
3
0
to
7
0
22

to
51

@
7

0
to
8
0
51

to
58

@
@

@

@

ST
9
ST773

Fig
ST
27
St
ring
Linka

REMOVAL

I
Jack

up
the
front
of
car
and

support
it

on
the

safety
stands

2
Remove
cotter

pins
and
nuts

fastening
side
rod
ball

studs
to
knuckle

arms

3
To

detach
side
rod
ball

studs

from

knuckle
arms

iJuert
Steering
BaII

Joint

Remover
HT72520000
between

them

and

separate
them

ST675

Fig
ST
28

Remouing
Ball
Joint

4

Remove
ball

studs
of
cross
rod

from

gear
arm

and
idler
arm
from

cross
rod
in
the

same
manner

as

descnbed
in

step
3
above

Cross
rod

and
side
rods
can
be

removed

as
an

assembly

5
Remove

idler

assembly
from
side

member

by

taking
off
two

fixing
bolts

Note

Steering

linkage
assembly
can

be
removed
from

CIC

by

rem
mng

gear
arm
from
sector

shaft
with

Steering
Gear

Arm
Puller

ST2902000

I
and

by

removing
idler

assembly
from
side
member

INSTAllATION

I

Install

steering

linkage
in
the

re

verse
order
of

removal

iJJ
Tightening
torque

Il8l1ltud

3
0
to

7
0

q
m

122
to
51
ft

Ibl

Idler

body
to
frame

bolts

7
0

to
8

0

q
m

151
to

58
ft

Ibl

2
Check
wheel

alignment
and
if

necessary
adjust
Refer
to
SectionF
A

DISASSEMBLY

I

Disconnect
both

side
rods
from

the

cross
rod

following
the

procedure
Steering
System

for
removal
of
the
side
rod
ball

joints

at
knuckle
arm
sides

2

Remove
the
idler

arm
nut
and

disassemble
idler

assembly

ASSEMBLY
AND

ADJUSTMENT

A
mble
st

rwg
linkage
in
the

reverse
order
of

disassembly

observing

the

following
instrucitons

Ban

Joint

Before

installing
a

new
dus
cover

be
sure
to

pack
with
the
recommended

grease

t
J
Tightening
torque

Ballltud

3
0

to
7
0

kg
m
122

to
51
ft
lbl

Note

a
When

tightening
ball
stud
be
care

ful
not
to

aBow

grease
to

get
On
its

tapered
section

b

Tighten
nut
to
the

specified
torque

and

align
the
cotter

pin
holes
in
the

tightening
direction

c
Be

sure
to
insert
new
cotter

pin
and

bend

it

securely

Idl
r
rm
mbl

Assembly
of
the
idler

arm
assembly

is

accomplished
as
follows

I

Apply
recommended

grease
to

the

sliding

portion
of
idler
arm
and

rubber

bushing

2

Apply
soapy
water

on
the

outer

circumference
of

bushing

Pre
ss
the

bushing
into

idler

body

carefully
until
the
bushin

protrudes

iJJ
Tightening

torque

Idler
nut

5
5
to
7
0

q
m

4010
51
ft

Ib

Note
When

installing
rubber

bushing

use
care
not
to
allow

grease
or

oil

Hj1

ST

10
to

get
on
its
onter
surface

ST676

Fig
ST
29
Idler
Arm

Cro
rod
nd
Id
rod

I
When

side
rod

sockets
and
side

rod

adjusting
tube

are

separated

adjust
side
rod

length
correctly

Adjustment
should
be
done
be

tween
ball
stud
centers

Standard
distance
AU
between

inner
and
outer
ballltud

conte

315
mm
12
40
in

Note

a
Standard
distance
A

i
an

ap

proximale
value
to

adjust
toe

in

descnbed
in
Section
FA

Maire
sure
tbat

specified
toe
in

is

obtained
with
O
OSs
and
side
rods

installed

on
car

ReadjUst
if

Specified
toe

in
is

not

obtained

b
Be

sure
to
screw

adjusting
bar
in

clret

evenly

c
Make

sure
that

adjusting
bar
is

screwed
in
socket
20
mm
0
79
in

or

more

I

lf

A

ST
77

Fig
ST
30
Standard
Side
Rod

Length

2

Tighten
adjusting
bar
lock
nut

with
cross
and
side
rods
installed
on

car

Note
Lock

adjusting
bar
lock
nut
so

that
ball

joint
on

outer
socket

knuckle
arm
side
is
86019
with

respect
to
that
on
inner

socket

cross

rod
side

INSPECTION
AND
REPAIR

Ball

Joint

1
When

ball
stud
is

worn
or

axial

play
exists

replace
side
rod

socket

with
a
new
one

2
When

dust
cover
is
broken

or
Steering
System

deformed
be

sure
to

replace
with
a

new
one

Initial

turning

torque

Ball

joint

5
to
25

kg
em

4
3
to
21
7
ft

Ibl

Note
Check
idler
side

joint
grease
at

recommended
intervals
and
renew

if

necessary
To

renew

grease

change
screw
with

grease
nipple
and

apply
recommended

grease
to

joint

through
grease
nipple
until

grease
is

forced
out
between
dust
seal
and

joint
socket

Idler
erm
8ssembly

Check
rubber

bushing
of
idler
arm

ST
11
for

breakage
wear
or

play
and
if

necessary
replace

Note

Apply
grease
to

idler
ann
as

sembly
when
disassembled

Cross
rod

and
side
rod

Check
side
rod

and
cross
rod
for

breakage
bend
or

crack
and

replace

with

a
new

one
if

necessary

Fixing
location

Check

fIxing
location
nuts
and

cotter

pins
for
looseness

play
or

breakage
When
looseness
or

play
is

found
check
for

wear
on

tapered

portion
of
ball
stud

gear
arm
or
idler

arm

Steering
System

SERVICE

DATA
AND
SPECIRCATIONS

GENERAL

SPECIFICATIONS

Steering
column

type

Steering

gear
type

Turn
of

steering
wheel
Lock
to
lock

Steering

gear
ratio
CollapSIble
column

Recirculating
ball

type
RB45L

3

2

15
0
I

INSPECTION
AND
ADJUSTMENT

Front
wheel

turning
angle

Inner
wheel

Outer
wheel

Minimum

turning
circle
Wall

to
wall

Steering
wheel
axial

play

Steering
wheel

play

STEERING
GEAR

Worm
degrees

degrees

m
ft

nun

in

mm
in
380
to
420

31
i0
to

35
i0

10
0
32
8

0
0

Less
than
35
1
38

Worm
shaft

turning
torque
as

steering
gear
assembly

at
center

portion
kg
em

in
lb

maxUnum

turning

torque
kg
cm
in
lb

Worm

bearing
shUn

Standard
total
thickness

Adjusting
shim

thickness

Sector
ahaft

End

play
between

sector
shaft

and

adjusting
screw

Adjusting
shUn
thickness

Gear
backlash
at

gear
arm

top
end

on

capacity

STEERING
LINKAGE

Ball

Joint

Turning
torque
4

0
to
9
0
3
5

to
7

8

Less
than
11
0
9
5

mm
in
1
5
0
059

mm
in

0
762
0

0300

0
254
0
0100

0

127
0
0050

0
050
0
0020

mm
in

mm
in
om
to
0
Q3
0
0004
to
0
0012

1
575
to
1
600
0
0620
to
0

0630

1
550

to
1
575

0
06
0
to
0
0620

1
525
to
1
550
0
0600
to
0
0610

1

500
to

1
525
0
0591
to
0
0600

Less
than

0
1
0
004
mm
in

liters
US

pt
Imp

pt
0
28

M

kg
cm
in

lb

5
to
25
4
3
to
21
7

ST
12

Steering
System

Side
rod

Standard
side
rod

length

mm
in
315
12

40

TIGHTENING

TORQUE

COLUMN
SHAFT

Steering
wheel
nut

kg
m
ft
lb
3

8
to
5

2
27
to

38

Column

clamp
bolts

kg
m

ft
lb
I
3
to
1
8
9
to
13

Jacket
tube
bracket
to
dash

panel
kg
m
ft
lb
0
35

to
0
45
2
5

to
3
3

Rubber

coupling
to

worm
shaft

kg
m

ft
lb
4
0
to

5
0

29
to
36

STEERING
GEAR

Gear
arm
nut

kg
m
ft
lb

13

to
15
94

to
108

Steering
gear
housing
to

body

kg
m

ft
lb
7

0
to
8
0
51
to

58

Rear
cover
bolt

kg
m
ft

lb
2

0
to
3
0
14

to
22

Sector
shaft
cover
bolt

kg
m

ft
lb
2
0

to
3
0

14
to
22

Sector
shaft

adjusting
screw
lock

nut

kg
m

ft
lb

2
0
to
3

0
14
to
22

STEERING
LINKAGE

Idler

body
to
frame

kg
m
ft

lb
7
0

to
8
0
51

to
58

Ball
stud
nut

kg
m
ft
lb
3
0

to
7
0
22

to
51

Side
rod
lock
nut

kg
m
ft
lb
8
0
to
10
0
58
to
72

Idler

nut

kg
m
ft
lb
5
5
to
7
0

40
to
51

ST
13

Steering
System

TROUBLE
DIAGNOSES

AND
CORRECTIONS

In
addition

to
the

following
proba

ble
causes
and
corrective
actions
refer
to
Trouble

Diagnoses
and
Corrections

in
Front

Axle
and
Front

Suspension
section

Condition

Excessive
wheel

play

Vibration
shock
or

shimmying
of

steering

wheel

Car

pulls
to

right
or

left

Stiff
or

heavy

steering

wheel
Probable
cause

Insufficiently
tightened
or

ilnproperly
in

stalled

steering
gear
housing

Damaged
steering
linkage
or
ball

joint

Incorrect

adjustment
of

steering

gear

Insufficiently
tightened
or

ilnproperly
in

stalled

steering

gear
housing

Wear
of

steering
linkage

Damaged
idler
arm

Worn
column
bearing
weakened
column

bearing
spring
or
loose

clamp

Deformed

steering
linkage
and
or

suspension

link

Insufficient
lubricants
or

mixing
impurities

in

steering
linkage
or

excessively
worn
steer

ing
linkage

Worn
or

damaged
steering
gear
and

bearing

Incorrectly
adjusted

steering
gear

Deformed

steering
liilkage

Interference
of

steering
column
with
turn

signal
switch

ST
14
Corrective
action

Retighten

Re
lace

faulty
parts

Adjust

Retighten

Replace
faulty
parts

Replace

Replace
or

retighten

Replace

Replenish
grease
or

replace
the

part

Replace

Adjust

Replace

Adjust