run flat DATSUN B110 1969 Service Repair Manual

Page 76 of 136


Brakes

Excessive

pedal

travel

All
b
rakes

drag

One
brake
drdgs

Unbalanced
brdkes

Excessive

pedal

pressure
required

poor
brak
es

Brake
chatter

squeak
or

squeal
System
hds
not
been
bled

Improperly
adjusted
clearance

FlUid
level
In

master

cylinder
IS
too
low

Thermal

expansIOn
of
drums
due
to

Qver

hea

lmg

lnsuffiuent
shoe
to
drum
clearance

Weak
shoe
return

springs

Brake
shoe
return
no

free
travel

Seized
master

cylinder
piston

Loose
or

damaged
wheel

bedfmgs

Weak
broken
or
unhooked
brake
shoe

return

spnngs

InsuffiCient
clearance
between
brake
shoe

and
drum

Grease
or
011
on

hnmgs

Seized

piston
In
wheel

cylInder

Tires

Improperly
mtl
lted

Loose
wheel

bearing

Front

suspension
faulty

Grease
mud
or
w
tter
on

Lmmgs

Full
area
of

Immgs
not

Lontaclmg
drums

SLOTed
brake
drums

Dust
on
drums
or
oIl

soLled

Immgs

Weak

shoe
return

springs

Drum
out
of
round

Worn

Itmngs
Bleed
the

system

Adjust
shoe
to
drum
clearance

Full

up
wIth

specIfied
brake
flUId

Bleed
the

system
If

requIred

Allow
drums
to

cool
off
Check
brake
shoe

lImngs
and
drums

Replace
damaged
parts

Adjust
cledrance

Replace
the

spnngs

Adjust
pedal
height

SerVJce
the
master

cyhnder

repla
e
the

pISton
and
bleed
the

syslem

Adjust
Of

replace
wheel

beanngs

Replace
spnng

Adjust
brakes

Clean
brake
mechamsm

repldce
hnmg
and

correct
cause
of

grease
or
011

getllng
on

Lmmg

SerVIce
the
wheel

cyhnder
and
bleed
the

system

Inflate
tires
to
correct

pressure

Adjust
wheel
bearing

Thoroughly
check
and

adlust
all

front
sus

pensIOn
components

Remove
drums
Clean
and

dry
hrongs
or

replace

Replace
shoes

Reface
drums
and
mstall
new

IImngs

Remove

and
clean
drums

thoroughly

ElImmale

oIl
leak

Check

spnngs
and

replace
as

required

Turn
drums
on
lathe

Replace
hrungs

II