1977 DATSUN PICK-UP oil pressure

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Page 313 of 537

DATSUN PICK-UP 1977  Service Manual 
In

these 
cases 
the

transmission 
must

be

repaired

Notes

a 
In

checking 
oil

level 
use

special

paper 
cloth 
to 
handle 
the 
level

gauge 
and 
be 
careful 
not 
to 
let 
the

scraps 
of

Page 314 of 537

DATSUN PICK-UP 1977  Service Manual 
Using 
the

tester 
check 
the

two

black

yellow 
BY 
wires 
from 
the 
in

hibitor 
switch 
in 
the

ranges 
N

and

I 
and 
the

tw 
re 
d

black

RBj 
wir 
s

in

the

range 
R 
for

continuity

Page 316 of 537

DATSUN PICK-UP 1977  Service Manual 
CHECKING 
SPEED

CHANGING 
CONDITION

The 
driver 
s

feeling 
during 
gear

changes 
should 
also 
be 
checkedatten

tively

I 
A

sharp 
shock 
or 
unSffioothness 
is

felt

during 
a

gear 
change

Page 317 of 537

DATSUN PICK-UP 1977  Service Manual 
Automatic 
Transmission

LINE 
PRESSURE 
GOVERNOR 
FEED 
PRESSURE

At

cut 
back

point 
After 
cut 
back

Throttle

opening 
under

approximately 
over

approximately

15

kmfh

10 
MPH 
35 
kmfh 
2

Page 321 of 537

DATSUN PICK-UP 1977  Service Manual 
Automatic 
Transmission

TROUBLE 
SHOOTING 
GUIDE 
FOR 
3N71B 
AUTOMATIC

TRANSMISSION

Order 
Test 
item

Checking 
Oil 
level

gauge

2 
Downshift 
solenoid

3

Manuallinkage

L

4 
Inhibitor 
swit

Page 322 of 537

DATSUN PICK-UP 1977  Service Manual 
Automatic 
Transmission

Order 
Test 
item

4 
Shift 
down

Dr 
O2 
0

5

Shift 
down

DJ 
12 
1

6 
Shift 
down

DJ 
2

7 
Shift

up

I

12

8 
Shift

up 
or 
down 
when

start

iog 
in

2

range

9

Page 323 of 537

DATSUN PICK-UP 1977  Service Manual 
Automatic 
Transmission

SERVICE 
DATA 
AND 
SPECIFICATIONS

General

specifications 
AfT

Torque 
converter

Type

Stall

torque 
ratio 
Symmetrica13 
element 
I

stage

2

phase 
torque 
converter

Page 325 of 537

DATSUN PICK-UP 1977  Service Manual 
Automatic

Transmission

Engine

Idling 
and

stall

revolution

Idling 
revolution

Stall

revolution 
rpm

rpm 
6S0 
ai 
0

position

2

000 
to

2

200

TIghtening 
torque

kg 
m 
ft 
lb

Drive

p