1973 DATSUN B110 Service Repair Manual

Page 329 of 513

DATSUN B110 1973  Service Repair Manual 
ENGINE

3 
Connect 
a 
3

way 
connector 
a

manometer 
and 
a

cock 
or 
an

equivalent 
3

way 
change 
cock 
to 
the

end

of 
the

vent 
line

4

Supply 
fresh 
air 
into 
the

vapor 
vent 
line

Page 330 of 513

DATSUN B110 1973  Service Repair Manual 
EMISSION 
CONTROL 
AND 
TUNE 
UP

SERVICE 
DATA 
AND

SPECIFICATIONS

Valve

clearance

Hot 
Intake

Exhaust 
mm 
in

rom

in

rom 
in

kg 
lb 
0
35 
0 
014

0
35 
0 
014

10 
to 
15 
0
394 
to 
0 
5

Page 331 of 513

DATSUN B110 1973  Service Repair Manual 
ENGINE

Spark 
plugs

Cap 
mm 
in 
0 
8 
to 
0 
9 
0 
03110 
0 
035

Idle 
CO 
ldie

speed

Manual 
transmission

rpm

rpm 
1
5

to 
5 
800

1
5 
to
5

650 
in 
D

position
Automatic 
transmission

D

Page 332 of 513

DATSUN B110 1973  Service Repair Manual 
EMISSION 
CONTROL 
AND

TUNE 
UP

Trouble

shooting 
procedure 
on

starting 
circuit

Switch

on 
the

starting 
motor

with

light 
put 
on

When

light 
goes 
off 
or 
dims

considerably

a 
Check

Page 333 of 513

DATSUN B110 1973  Service Repair Manual 
ENGINE

Defective

spark 
plug

Improper 
ignition 
timing

Defective

ignition 
coil

Disconnection 
of

high 
tension

cable

Loose 
connection 
or 
disconnection 
in

prima

ry 
circuit

Lack 
of

Page 334 of 513

DATSUN B110 1973  Service Repair Manual 
IMPROPER 
ENGINE

IDLING

Fuel

system 
in

trouble

Low

compression

Others

Ignition 
system 
in 
trouble

Engine 
idle 
too 
fa 
t

ENGINE 
POWER 
NOT

UP 
TO 
NORMAL

4 
w

compression

Ignition

Page 335 of 513

DATSUN B110 1973  Service Repair Manual 
Air 
intake

system 
in

trouble

Overheating

Overcooling

Others

NOISY

ENGINE

Car

knocking

Car 
knock 
when

coasting 
ENGINE

Diny 
ur

clogged 
fuel 
strainer

Fuel

pump 
will 
not 
work

p

Page 336 of 513

DATSUN B110 1973  Service Repair Manual 
EMISSION 
CONTROL 
AND

TUNE 
UP

Mechanical

knocking

Crankshaft

bearing

knocking

Connecting 
rod

bearing

knocking

Piston 
and

cylinder

noise

Piston

pin 
noise

Water

pump 
noise

Others