Porsche 944 S2 Owner's Manual page 65

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Air.Conditioning
System
Matntenance
The.
air conditioning
system must be
turned
1
t:.r
1lort
period of time
at least
once
a
month.,This instruction should
be observed
pantcuiarly during
the cold
season
to ensure
proper
lubrication of the
sealing rings
and
compressor
bearings
For
this. purpose. set
the
temperature
con-
rrot
Nnob at
maximum cooling
temperature
texrreme conterclockwise
position).
:l-":I_ ln"
compressor poryrib bett
for
pro-
per
lension during regular
maintenance.
Due.to
the
loss
of refrigerant. which
is tech-
nrca
y rnevitabte.
the refrigerant
level rn lhe
ruro
reservoir
should be
checked
at
least
once a
year.
62
lf
gas.bubbles
are visible over an
extended
p€nod
of
time in the
inspection window of
tne fluid.reservoir
(arrow)
while the atr
con-
orfloner
is running, there
is a deficit of
refri_
gerant
in
the
air
conditioning
system. fhe
_oneT
appearance of
gas bubbles
is
due to
lechnical
reasons
Should the air conditioning
system fart,
i.
e.
uncooled
air
flows
through lhe
vents while
tne system is switched
on,
have it
checked
0y
your
Porsche dealer.
Reservoir for Windshield and
Headlight Washer System
I.ne. transparent
reservoir
ls on the
front
nght
inside
the
engine
compartment.
As
:':",.*1tgl
is usua y
inadequate
for
ctean-
rng
wrndshield or headhghts. add
a cteaning
sotutton..such
as windshield
washer
soJvent
ano
antifreeze
oftered by your
dealer.
To
assttre
that
the
syslem
also
functions
at
rreeztng temperatures. antifreeze
must
be
aooed
lo
lhe
water beforehand. Follow
the
ll:]lrctrols
9n lhe
can for the righl
amounr
ro_oe useo
(atso see
,
Filling Capaci
es,.). Do
not^use_engine
.coolant
an
_fieeze
or
any
il'lil
"o''oon
that
can
damase
the
car
I:9r",."
,l:
reseruoir,
unscrew the prug
rn
tne
underside
ot the
reservoir.
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