Saab 900 1983 Owner's Manual page 56

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54
ings.
This is particularly necessary when auto·
matic car washes are used as these do not
generally include wash ing of the
underbody.
Never wash the car in strong
sunlight,
and al·
ways wipe it dry with a clean chamois leather if
streaks on the palntwork are to be avoided.
Windows are best cleaned with a chamois
leather or soft linen cloth moistened in
water.
Polishing
The general rule Is that synthetic enamel should
not be polished until it is absolutely
necessary.
In
any
event, it should not be polished until it
has aged
properly,
wh ich takes five or six
months.
Never use a polish containing abrasive
substances on a new car.
Only
after some
years
will this be necessary to remove oxide and other
deposits. The paintwork must be thoroughly
cleaned before being polished as otherwise it
may
be
scratched.
A new car must not be waxed until the
paintwork is at least five or six months
old.
Maintenance
of
undercoating
In addition to its rustproofing properties, under·
coating has an important soundproofing func·
tion
.
To preserve its effectiveness it should be
regularly inspected and touched up if neces-
sary. This applies particularly to the fenders
and wheel housings, which are constantly ex-
posed to abrasion by flying gravel, etc. If the
composition has worn or flaked
off,
the steel
must be thoroughly cleaned and dried before a
fresh coat is
applied.
The cleaning is best done
with a scraper and a steel wire brush
,
followed
by washing with solvent. Apply the new coating
thinly, as otherwise it
may
run off or fall off when
dry.
Engine Compartment Cleaning
The engine compartment should be cleaned
wi th an engine detergent and then hosed with
hot water. Cover the distributor and brake
mas-
ter cy
li
nder reserv
o
ir before washing th
e
engine.
IMPORTANT: If you use a hIgh-pressure
hose, cover the
distributor,
alternator,
starter motor, voltage regulator, and
brake master cylinder
reservoir.
Care of
Carpets
Textile carpets sh ould be cleaned with a brush
or sponge using
c
arpet shampoo and then
ri
nsed thoroughly with water. Stubborn grease
or
oi
l stains can be removed with a commercial
solvent formulated for th is
purpose.
Should the trunk
c
arpet become so iled or
stained it
may
be more easily cleaned if re-
moved from the
car.
The carpet
is
fastened to
two plywood panels that make up th
e
forward
fl
oor section and the tool compartment cover.
To
remove,
tli
t up the tool compartment cover,
disconnect the two rubber hinges from their
button·like fasteners and remove the cover from
the car. Grasp the forward floor section with
both hands and pull straight back to disengage
the retaining c
lips.
Lift floor out of trunk
.
Care of Upholstery
The fabric upholstery may be effective
l
y
cleaned with a cloth moistened In soap so lu-
tion.
Use lukewarm water.
Grease and oi
l
stains can be rem oved with a
commercial solvent formu lated for this pur-
pose.
Wet stains such as oil or softdrlnks should be
dried up immediately with an absorbing paper
or similar material. Then app ly a stain
remover.
Plastic
surfac
es can be eas ily cleaned with
lukewarm water and a synthetic deterg ent. A
semistiff bru sh may be
used.
Seat belts
Clean
the seat
belts
with
mild
soap and luke-
warm
water.
RUST PREVENTION
What
causes rust?
Steel
body panels of automob iles are sub ject to
rus ting whenever air and moisture manage to
penetrate the protective finish
,
and body panels
may rust through if the process is
unchecked.
Rusting can occur wherever water is trapped or
where the car's panels are continuously
damp_
Damage to paint and undercoating by
stones,
gravel and minor accidents immed iately
ex·
poses metal to air and
moisture.
Road salts used for de-icing will collect on the
bottom of the car and promote rusting.
Areas of the country with high humidity have
great potential for rust
problems,
especially
where salt is used on roads or there is moist sea
air.
Industrial
po llution
(fall-out)
may also damage
pa int and promote rusting
.
Preventive maintenance
The following procedures are necessary to hdlP
protect against rusting. Refer also
to
the tf'rms
and cond
iti
ons of the Corrosion Perforation
Warranty described in the warranty booklet.
1.
Wash the car frequently, and wax at least
twice a
year.

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