Note
thai:
diesel fueDriay foam'during a lillup. This 'can caUse' )tour tank
10
be
less
than
full,
even thcil,ighthe
automatic
"'
pu"1)
nozzle
,has shul
off
: . <
NonCE: Using
any
iual'
ot
fuel'lId.
other
than
u.;,:.e
~,eoufd
tM*
engine cs-.ge,
for
whrdt
Chevrolet
is
not responsible
••
couldello
ef'IIict
yo
...
warr.i.ty.
T.1Ie
c:.re
to
not
tUn
out
'
of
dr_I
fuel."
•
You
do
run
1iuI:
-
of
fuel,
you
Ny
need
to
InrIk
it..
.
n~
10119" to re-iJ$IIl1"
irtter
fUe1
tin
'
been
lidded
.
TO
'
pro*U
..
cr
..
ldhg
mot.:.
(lItIrtIor);
do
not
crank
thI
enol_tor
more
thllllbout
10 to 15
~
·
It
e ti ...... AIID« e
ooe-mlnute
cooiing
off
period between cranklngs,
unlillfla
angIiIa
starte.
Cold Weather Operation (Diesel Engines)
Diesel fuel is sensitive
to
temperatlKe. All diesef luet has a certain amolMlt
of
paratfin-like
Components. -which are high'
in
energy.value and'help
i!""JXOVe
fuel
economy.
-But, when temperatures -are less than about
-7
"
C(20°F),
these
paraffin _components begin turning into wax
flakes."
tefll)el'"8turesare-
low
enough, these flakes .can build
up
on
the fuel tank filter
or
I.
he
_ engine fuel plter
· and stop fuel fram, reaching the
engWie.
' '
.,
At low te{l1)er8lures, wax flakes' are more
like1Y
to
form
in
. Number
2:0
fuel
than
Number1~D
(or
-a "winterized"
2-0)
- fuel.
For
best operation at
temperatures
below
-rC
_(20°F)
use
Number
1-0,
or
Numbef_
2-0
. whict!
has
beenble~
with
NUmbe:r
1-0
,for
wiirter
use.
The
fuel tank
has
a ':check valve" in case
wax
flakes form and , the fuel tank
filter~s
plugged. The' check valve is desigr\ed
,to
allow_ fuel
to
continue
flowing
to
the
engine. However" if the filter plugs. not
all
of
the fuel in the tank
can
be
used; because ot.the location
Of
the check valve: Your vehicle
wiD
"r
un
out,
Of
fuel"
when there is still' about"4 gallonS (15' liters)
of
fuel in, ,the tank, if
the fuel tank filter becomes plugged , with
wax
. If
you
. are criving in
temperatures- less than
-7"C(20'"-F)
and
do
not have _Number
1-0
or
"winterized" Number
2-0
-fuel in the fuel tank, be sure to
keep
the tank
more
than one-quarter full, to help prevent running out
01
fuel.
To
further improve cold weather operation, an optional engine block heal&( and
fuel-line heater are available
..
(See
"Co
lcfWeattler' Starting"
under
"'Starting
the
[)lese! Engine" in' section 2
of
Uris
m'anual
fOr
information
on
the block
heater.) The fuel-line heater is_ d8si!:1led'
io
'
come
on
when outside
tempera.
tLK9S
are
leSs
than _4°C
(25
°
F)
, It warms-the fuel and
hel~
stop.
wax
flakes from building up
on
the
engine fuel filter.,
The
: fuel-line heater is
reCommended in' those areas where -winter temperatures lower than
,12°C
(10°F) are expected,
and
Number
1-0
fuel (or " winterized" Number
2-0
fuel)
may
nOt
be readily available.
·
Water
In Fuel
(Dieiel
,
Engines)
.
During refueling,
it
is
possible for water
to
00:
pu~
'Into your fuel tank along
with the diesel fuel. Your vehicle h$s-a water separator sy$lem in the fuel tank,
as well as a secondary.rltter at the
~ine
for sotid contaminants. It also
ha$
a
.
"WA~
·
IN
Fl,IEL"' light in"the instJ:ument cluster which
is
..
~gned
to
come
on
if
water Is,
det~ed
.
in the
fuel
The "WATER IN
FUa.
"
ligt:rt
is also
:designed
lacome
on _during
enQii\e
starting
10
jet you ' know the bulb is
working.
If the
light
does not come on,-
check
the.lusearld
the
bulb; if these are
OK,
see your
authorized
-
~elilef.
· n the light oomes
on
at any other time,
or
if you notice a loss
of
power
or
a
very rough running engine, have the fuel system checked
for
water
by
yOur
authorized dealer. Allowing water
to
stay in the fuel tank, lines
Of
filter could
result in
extensive damage
to,
or
faiMe
01,
the fuel injection system.
2-7
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