Mazda 121 - Radiator Cap Inspection; Radiator Cap Valve

E
RADIATOR
CAP
49 DO15 0A0
49 D015
003
Adapler B
49 D015
0A0)
RADIATOR
CAP
PREPARATION
ssT
INSPECTION
Radiato.
Cap
Valve
1. Remove
foreign
material
(such
as
water
residue)
from be
tween
the radiator
cap
valve and
the
valve seat.
2. Attach
the radiator
cap to
a radiator
cap
tester
(commer'
ciallv available)
with the SST.
Apply
pressure gradually to
74-103
kPa
(0.?5-1.05
kg/cm"
11-'15
psl)
3.
Wait about
lO aecgnds.
Verity that
the
pressure
has
not
decreased.
4. Feplace
the
radiator cap
il necessary
N€gative
Pressurc
valve
1.
Pull the negative
pressure
valve
10 open
I
Verify Ihat
it
closes
comDletelv
when
released
2. Check
ior damag;
on
the contact
surfaces
and
for cracked
or deformed
seal
Packing.
3. ReDlace
the
radiator €p
if necessary'
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E-6