1998 VOLVO S90 coolant

1998 Volvo S90
Check, without removing the cap, that the level is above
the "MIN" mark of the fluid reservoir.
Always entrust brake fluid changing to an authorized
Volvo retailer.
Drive belt pg. 117
Belt check

Check the belt regularly to make sure it is in good
condition and is clean. A worn or dirty belt can cause poor
cooling and low generator output as well as impair the
operation of the power steering and the air conditioning
unit.

WARNING! The engine must not be running when
this check is performed. NOTE: The belt is equipped with a self-questioning
mechanism and requires no adjustment between changes.
Cooling system pg. 118



Changing coolant

Normally, the coolant does not
need to be changed. If the system
must be drained, use the following
procedure:
Remove the expansion tank cap.
Open the drain cock on the right
side of the engine block and
disconnect the lower radiator
hose.
Fill coolant through the expansion
tank. The heater controls should
be fully open when draining and
WARNING: If the engine is
warm and you are going to top
up coolant, unscrew the cap
slowly in order to allow any
excess pressure to escape.


NOTE: Do not top up with water
only. Water by itself reduces the
rust-protective and anti-freeze
qualities of the coolant and has a
lower boiling point. It can also
cause damage to the cooling system
if it should freeze.
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1998 Volvo S90

Check coolant level

The cooling system must be filled with
coolant and not leak to operate at maximum
efficiency. Check the coolant level regularly.
The level should be between the "Max" and
"Min" marks on the expansion tank. The
check should be made with particular
thoroughness when the engine is new or
when the cooling system has been drained.
Do not remove the filler cap other than for
topping-up with coolant. Frequent removal
may prevent coolant circulations between the
engine tank during engine warm-up and
cooling.
filling.
Add coolant until the level is up to
the MAX mark or slightly above.
Start the engine and run until hot.
Check the cooling system
connections for tightness. Also re-
check the coolant level.
Capacity: See "Specifications"
coolant: Volvo Genuine Coolant/
Antifreeze only

CAUTION
The cooling system must
always be kept filled to correct
level.
If it is not kept filled, there can
be high local temperatures in
the engine which could result
in damage.
Different types of anti-freeze/
coolant may not be mixed.
Adjusting washer nozzles, Washer fluid reservoir pg. 119


Adjusting washer nozzles

The washer jets should spray the windshield as shown. Use
the edge of a small screwdriver to adjust the nozzles, if
necessary. Please use caution to avoid damaging the
paintwork.


Washer fluid reservoir

The washer fluid reservoir is located in the engine
compartments and holds approx. 0.5 US gal. (2 liters) -
sedans and 0.8 US gal (3.2 liters) - wagons. During cold
weather, the reservoir should be filled with windshield
washer solvent containing anti-freeze.


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1998 Volvo S90
Cooling System

Type: Positive pressure, closed system
Thermostat-begins to open at 186°F (87°C)

Coolant: Volvo Genuine Coolant/Anti-freeze

Capacity: 10.5 qts (10 liters)

Fuel system

The engine is equipped with a multiport fuel injection system

Distributor ignition System

Firing order / 1-5-3-6-2-4 Distributor ignition setting / Not adjustable\

Spark plugs / Bosch FR 6 DC (or equivalent)
Spark plug gap / 0.024-0.028" (0.6-0.7 mm)
Tightening torque / 17.3-20.3 ft. lbs. (23-27 Nm)




Contents | Top of Page
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1998 Volvo S90
Chapter 9 - (cont.)
Specifications
pg. 125
Power transmission


Automatic transmission:

Reduction ratios: / AW 40
1st gear / 2.80:1
2nd gear / 1.53:1
3rd gear / 1:1
Overdrive / 0.71:1
Reverse / 2.39:1

Rear axle:
Reduction ratio / 3.73:1

All specifications are subject to change without
notice. Front suspension

McPherson-type spring and strut suspension.
Shock absorbers housed in strut casing. Rack-and-
pinion steering.

Safety-type steering column.

The alignment specifications apply to an unladen
car, but include fuel, coolant, and spare wheel.
Toe-in, measured on the wheel rim: 2.2 mm +/-
1.0 mm (15" wheels)
wheel rim: 2.3 mm +/- 1.0 mm (16" wheels)
tire sides: 2.8 +/- 1.3 mm

Rear Suspension

Multi-link rear wheel suspension consisting of
four elements per side: a trailing support arm with
load leveling shock absorber ("Nivomat" level-
regulating system on certain models), an upper L-
shaped link, a lower traverse link, and an angled
rear track rod to control wheel toe-in.
Toe-in, measured at the wheel rim: (0.4+/- 0.5
mm)
tire sides: (0.5+/- 0.8mm)
Specifications pg. 126
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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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