1973 DATSUN B110 Service Repair Manual

Page 377 of 513

DATSUN B110 1973  Service Repair Manual 
ENGINE 
MECHANICAL

Piston 
diameter

standard 
mm 
in

Oversize

50 
mm 
in

Oversize 
100 
mm 
in

Oversize 
150

mm 
in

Ellipse 
difference 
mm 
in

Ring 
groove 
width

Top

2nd

Oil 
mm 
in

Pi

Page 378 of 513

DATSUN B110 1973  Service Repair Manual 
ENGINE

TROUBLE 
DIAGNOSES 
AND 
CORRECTIONS

Troubles

I 
Noisy 
engine

Knocking 
of 
crank

shaft 
and

bearing

Piston 
and

connecting 
rod

knocking

Camshaft

knocking

Timirrg 
chain 
noise

Page 379 of 513

DATSUN B110 1973  Service Repair Manual 
Water

pump

knocking

II 
Other 
mechanical

trouble

Sticked

valve

Seized

valve

seat

Excessively 
worn

cylinder 
and

piston 
ENGINE

MECHANICAL

Improper 
shaft 
end

play

Broken

impeller

Page 380 of 513

DATSUN B110 1973  Service Repair Manual 
r

Defective

connecting

rod

Defective 
crankshaft

bearing 
ENGINE

Shortage 
of

engine 
oil

Low 
oil

pressure

Poor

engine 
oil

quslity

Rough 
surface 
of 
crankshaft

Clogged 
oil

passage

Page 381 of 513

DATSUN B110 1973  Service Repair Manual 
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DATSUN

1200

MODEL

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SERIES

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NISSAN 
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NISSAN 
MOTOR 
CO 
LTD

TOKYO

Page 382 of 513

DATSUN B110 1973  Service Repair Manual 
ENGINE 
lUBRICATION 
SYSTEM

LUBRICATION 
SYSTEM

CONTENTS

DESCRIPTION

LUBRICATION 
CIRCUIT

OIL 
PUMP

Description

Removal 
EL 
1

EL 
2

EL 
2

EL 
2

EL 
2 
Disassembly

I

nspection 
and 
repa

Page 383 of 513

DATSUN B110 1973  Service Repair Manual 
LUBRICATION 
CIRCUIT

Oil 
drawn

from 
the 
oil

pan 
through 
the 
inlet

screen 
and

tube

to 
the 
inlet 
side 
of 
the 
oil

pump 
is 
delivered

by 
th

oil

pump 
through 
the 
outlet

portio

Page 384 of 513

DATSUN B110 1973  Service Repair Manual 
ENGINE 
LUBRICATION 
SYSTEM

Inspection 
and

repair

Clean 
the 
disassembled

parts 
with

cleaning 
solvent 
and

inspect 
for 
defects

Inspect 
the 
drive 
rotor 
shaft 
for

excessive 
wear 
an