Page 119 of 175

1998 Volvo S90
Chapter 8 - (cont.)Engine oil
pg. 108
Checking the oil level
The oil level should be checked every
time the car is refuelled. This is
especially important during the engine
break-in period (up to the first service).
CAUTION: Not checking the oil level
regularly can result in serious engine
damage if the oil becomes too low.
Be sure the oil level is maintained between
the upper and lower marks on the dipstick.
Low oil level can cause internal damage to
the engine and over-filling can result in
high oil consumption. The distance
between the dipstick marks represents
approx. 1 US qt (1 liter) of oil. Before
checking the oil level after the car has been
driven, park the car on a level surface and
wait at least 5 minutes after the engine has
been switched off. The oil level should be
halfway between the MIN and MAX
marks.
If the oil is checked before the car is driven
(engine completely cold) the oil level
should be at the MAX mark.
NOTE: The engine must be stopped when
checking the oil.
Draining the oil
Drain the oil after driving while it is still
warm.
WARNING! The oil may be very
hot.
To add or change engine oil
Add oil of the same kind as already used.
Capacity (including filter): 5.9 US qts = 5.75 liters
Changing oil filter
Replace the oil filter at every oil change
WARNING! Oil spilled on a hot exhaust pipe
constitutes a fire risk.
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Page 125 of 175
1998 Volvo S90
Chapter 8 - (cont.)
Engine compartment
pg. 114
Engine compartment S90/V90
1 Expansion tank, coolant
2 Oil filler cap, engine
3 Engine oil dipstick
4 Brake fluid reservoir
5 Battery
6 Data plate
7 Radiator
8 Power steering fluid reservoir
9 Air cleaner
10 Washer fluid reservoir
11 Main fuse box
12 Relay/fuse box
WARNING!
The cooling fan may start or continue to
operate (for up to 6 minutes) after the
engine has been switched off.
Lubrication pg. 115
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Page 126 of 175

1998 Volvo S90
No. Lubricating hint / Lubricant
1 Hood lock and latch / Oil
2 Hood hinges / Oil
3 Door stop and hinges / Oil
4 Sun roof wind deflector / Oil
Sun roof mechanism / Grease
5 Door lock catch plate / Oil
6 Trunk lid lock / Low temperature
keyhole and hinges / grease
No. Lubricating hint / Lubricant
7 Window regulator/ Oil, grease
locking device low temperature
(on inside of door) / grease
8 Front seat slide rail
and latch / Oil
9 Door lock keyhole / Low temperature grease or Volvo Teflon lock spray \
To avoid rattles and unnecessary wear, the body should be lubricated at \
regular service intervals. This should be done by
an authorized Volvo retailer.
Brake fluid, Power steering fluid pg. 116
Brake fluid reservoir
Power steering fluid
The fluid level should lie between the MIN and MAX on the
side of the dipstick. The space between the marks
corresponds to 0.2 US qts/liters.
Fluid type: ATF
Replace: no fluid change required.Brake fluid
The fluid level should be between the MIN and MAX
marks.
Fluid type: DOT 4+
Replace*: every second year or 30,000 miles (48,000
km). The brake fluid should be replaced once a year or
every 15,000 miles (25,000 km) when driving under
extremely severe conditions (mountain driving, hot
climate, high humidity etc.)
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Page 174 of 175

1998 Volvo S90
The following should be
checked regularly:
Coolant level should be
between the expansion tank
marks. Mixture: 50% anti-
freeze and 50% water. See
page 118.
Power steering - When
cold, the level must not be
above the COLD mark and
when hot it must not be
above the HOT mark. Top
up if the level drops to the
ADD mark with ATF fluid.
See page 116.
Engine oil - level should be
between the dipstick marks.
The distance between the
marks represents approx. 1
US qts. (1 liter). See page
108.
Brake fluid - check,
without removing the cap,
that the level is above the
MIN mark. Use brake fluid
DOT 4+. See page 116.
Washer fluid - reservoir
should be filled with water
and solvent (wintertime:
windshield washer anti-
freeze). See page 119.
Octane rating, see page 55.
Tire pressure, see label located on
the rear edge of the right front
door.
Bulbs Power Socket US Bulb
No.
1 70 W HB3/9005
2 60 W HB4/90006
3 5W BA 15
s 67
4 21 W BA 15
s 1156
5 21/5
W BAY
15 d
1157
6 21 W BAU
15 s –
7 21/5
W BAY
15d
1157NA
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