Page 25 of 175
1998 Volvo S90
Chapter 2 - Instruments, switches and controls (cont.)Indicator and warning lights
pg. 17
1 Turn signal, left
2 Turn signal, right
3 Malfunction indicator
lamp
4 Direction indicator,
trailer
5 Service reminder
indicator
6 Low washer fluid level
If the lamp glows continuously
when the engine is running,
there is only about 1/2 - 1 US
qts. remaining in the washer
fluid reservoir.
7 Rear fog light
8 Bulb failure
9 Generator not charging
10 Low engine oil pressure
11 High beams
12 Brake failure
13 Parking brake applied
14 ABS-system
15 Low coolant level
16 (Not in use)
17 "Winter" mode engaged/
transmission fault
18 Fasten seat belts
19 SRS
20 (Not in use)
21 (Not in use)
Warning lights
pg. 18
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Page 116 of 175

1998 Volvo S90
Maintenance schedule
A= Adjust (Correct if necessary) I= Inspect (Correct or Replace if ne\
cessary)
R= Replace L= Lubricate
Maintenance Operation thousand
miles
(thousand km) 5
(8)
10
(16) 15
(25) 20
(32) 25
(40) 30
(48) 35
(56) 40
(64) 45
(72) 50
(80) 55
(88) 60
(96)
EMISSION SYSTEM
MAINTENANCE
Engine oil and filter R R R R R R R R R R R R
Engine drive belt (accessory belt) I R
Air cleaner filter R R
Spark plugs R R
Automatic transmission fluid I I I I I I
Timing belt - B 6304 S
4
1) See section "Engine oil" for detailed information.
NOTE: The oil should be changed at these intervals or after 750 hours of\
driving or after 12 months
which ever occurs first. See "Service Reminder indicator", page 19.
2) For services beyond 60,000 miles (96,000 km), consult your "Mainte\
nance Records booklet".
3) These intervals may apply, depending on actual driving conditions (\
see page 109 for details)
4) For proper functioning of the vehicle and its emission control syste\
m, Volvo recommends that the
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Page 130 of 175
1998 Volvo S90
Chapter 9 - Specifications
pg. 121
Specifications
This chapter contains facts and figures pertaining to the technical spec\
ifications of
your car.
Oil/Fluids specifications pg. 122
Engine specifications pg. 123
Cooling system pg. 124
Fuel system pg. 124
Distributor ignition system pg. 124
Transmission pg. 125
Suspension pg. 125
Electrical system/bulbs pg. 126
Capacities pg. 127
Service manuals, Road assistance pg. 128
Dimensions and weights pg. 129
Oil/Fluids Specifications
pg. 122
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Page 131 of 175

1998 Volvo S90
Oil quality
Meeting API specification SG, SG/CD, SH or
Energy Conserving (EC) II
For best fuel economy and engine protection,
consult with your authorized Volvo retailer for
recommended oils. Oil with a different quality
rating may not provide adequate engine
protection.
Synthetic oils complying with oil quality
requirements are recommended for: driving in
areas of sustained temperature extremes (hot or
cold), when towing a trailer over long distances or
for prolonged driving in mountainous areas.
Extra oil additives must not be used unless
advised by an authorized Volvo retailer.
NOTE:SAE 15W/40 should only be used in
extreme operating conditions such as trailer
towing in sustained ambient temperatures over
104° F (40° C). However, SAE 10W-30 synthetic
oil would be a better alternative in such
conditions.
SAE 15W-40 should not be used under normal
operating conditions.
Capacity (including filter): 5.9 US qts = 5.75
liters
Automatic transmission
fluid Quality:ATF Dexron
IIE/III and Mercon
Capacity:7.9 US qts. (7.5 liters)
Rear axle oil Quality: API-GL-5
(MIL-L-2105 C or D)
SAE 80W-90Capacity:1.4 US qts (1.3 liters) sedans/
wagons
Power steering fluid Quality: ATF F,GCapacity:1.05 US qts. (1.0 liters)
Brake fluid Brake fluid type:DOT 4
+Capacity: 0.63 US qt. (0.6 liter)
All specifications are subject to change without notice.
Specifications pg. 123
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