1990 VOLVO 240 engine

Volvo 1990 240 Model
pg. 52 Catalytic Converter
Catalytic Converter Cautions


l Keep your engine properly tuned. Certain engine malfunctions, particular\
ly involving the electrical,
fuel or ignition systems, may cause unusually high converter temperature\
s. Do not continue to operate
your vehicle it you detect engine misfire, noticeable loss of power or o\
ther unusual operating conditions,
such as engine overheating or backfiring. A properly-tuned engine will h\
elp in avoiding malfunctions
that could damage the Catalytic Converter.

l Remember that tampering with or unauthorized modifications to the engine\
or the vehicle may be
illegal and can cause catalyst or exhaust system overheating. This inclu\
des:
-- Altering fuel injection settings or components.
-- Adjusting ignition timing beyond specified limits.
-- Altering emission system components or location or removing component\
s.
-- Use of leaded fuel.

WARNING: Do not park your car over combustible materials, such as grass \
or leaves, which can
come into contact with the hot exhaust system and cause such materials t\
o ignite under certain wind
and weather conditions.

l Excessive starter cranking (in excess of one continuous minute) with a\
n intermittently firing or
flooded engine, can cause catalyst or exhaust system overheating. This a\
lso applies to lengthy pushing or
towing of vehicle to start (manual transmissions only). Do not attempt\
to start a car with automatic
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Volvo 1990 240 Model
pg. 53 Service and maintenance
55Maintenance services
56Service requirements
59Engine B230F
60Fuel requirements
61Engine fluids
62Engine oil, Oil/oil filter change interval
63Cooling system
65Servicing
70Transmission oil
72Rear axle, power steering, brake fluid
73Lubrication
74Coolant
75Alternator, jump starting
76Replacing bulbs
81Fuses
82Wheels and tires
84Wheel changing
86Replacing wiper blades
87Washing, cleaning
87Cleaning, anti-rust treatment
88Paint touch-up
90What causes rust
91Long distance trips, cold weather
92Service diagnosis
96Label information
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Volvo 1990 240 Model
pg. 54 240 DL Wagon
pg. 55 Maintenance service
MAINTENANCE

Maintenance services

Your Volvo has passed two major inspections before it was delivered to y\
ou, according to Volvo specifications. When driven 600 - 1,200 miles (1,000
2,000 km), your car should be brought to the Volvo dealer for a mainten\
ance service. Engine, manual transmission and rear axle oils, will be changed
at this time.
Following this inspection, maintenance Inspections as outlined In this b\
ook should be performed every 5,000 miles (8,000 km).
Engine oil and oil filter changes should be performed every 5,000 miles \
(8,000) km, or at the time intervals outlined on page 62.
The extended maintenance inspection intervals make it even more advisabl\
e to follow this program.
Inspection and service should also be performed any time a malfunction i\
s observed or suspected.
It is recommended that receipts for vehicle emission services be retaine\
d in the event questions arise concerning maintenance. See your "Warranty
Information and Maintenance Records Booklets".

Maintenance Inspection Intervals

Volvo advises you to follow the inspection program at 5,000 mile or 8,00\
0 km intervals which is outlined in the "Warranties and Maintenance Records
Manual: This maintenance program contains inspections and services neces\
sary for the proper functioning of your car over the next inspection interval.
The maintenance inspections contain several checks which require special\
instruments and tools and therefore must be performed by a qualified
technician.
To keep your Volvo in top condition, specify time tested and proven Genu\
ine Volvo Parts and Accessories.
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Volvo 1990 240 Model
EMISSIONS
SYSTEM
MAINTENANCE
Engine oil and oil
filter R
R R R R R R R R R R R R
Cooling system
hoses and
connections I
Engine drive belts A I I
Torque manifold
nuts A
Valve clearance I I
Timing belt A R (3)
Vacuum fittings,
hoses and
connections I
Air cleaner filter R R
Idle RPM I
Fuel system cap,
tank, lines and
connections I
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Volvo 1990 240 Model
Spark plugs R R
Catalytic converter
mounting bolts. A
Manual transmission
oil R
I I I I I I I I I I I I
Automatic
transmission oil I
I I I R I I I R I I I R
Rear axle oil R I I I I I I I I I I I I
Exhaust system I I I I I I I

1) See section "Engine Oil" for detailed information.
2) For services beyond 60,000 miles (96,000 km), consult your Mainten\
ance Service Chart.
3) Recommended, but not mandatory to maintain Volvo emission warranty. \

4) Does not pertain to B230F/EGR.
5) B230F/EGR inspect every 10,000 mile (16,000 km). pg. 57 Servicing
Maintenance
operation Miles
(km) 600-
1,200
(1,000-
2,000)
5,000
(8,000)
10,000
(16,000) 15,000
(24,000) 20,000
(32,000) 25,000
(40,000) 30,000
(48,000) 35,000
(56,000) 40,000
(64,000) 45,000
(72,000) 50,000
(80,000) 55,000
(88,000) 60,000
(96,000)
MISCELLANEOUS
MAINTENANCE
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Volvo 1990 240 Model
ENGINE
Engine coolant I I I R I I R
Fuel (line) filter R
PCV nipple (orifice) I
Ventilation hoses I
EGR valve A
Battery condition I I I I I I I I I I I I I
BRAKES
Inspect brakes,
replace components
as necessary I
I I I I I
Change brake fluid R R
STEERING
Tire wear (align front
end if needed) I
I I I I I I
Check power steering
fluid level I
I I I I I I I I I I I I
BODY
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Volvo 1990 240 Model
pg. 58 Servicing Engine
The following items should be checked weekly Description
by the owner. (This only takes a few moments.) on page
Engine oil level 61
Brake fluid 72
Radiator coolant level 74
Tire pressures (including spare) 82, 103
Operation of all lights -
Horns -
Windshield wipers -
Level of windshield fluid -

The following should also be carried out at Description
regular intervals on page
Washing 87
Polishing 87
Cleaning 87
Rust protection inspection 87 pg. 59 Servicing Engine


Engine B230F
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Volvo 1990 240 Model

1 Data plate
2 Oil filler cap, engine
3 Oil dipstick, engine
4 Brake fluid reservoir
5 Washer fluid reservoir
6 Expansion tank, coolant
7 Battery
8 Oil reservoir, power steering
9 Fuse, engine control pg. 60 Fuel requirements
Unleaded Fuel

Each Volvo has a catalytic converter and must use only unleaded gasoline\
(as specified on the
instrument panel and by a label near the filter inlet). U.S. and Canadi\
an regulations require that pumps
delivering unleaded gasoline be labeled "UNLEADED". Only these pumps hav\
e nozzles which fit your
car's filler inlet. It is unlawful to dispense leaded fuel into a vehicl\
e labelled "unleaded gasoline only".

Leaded gasoline damages the catalytic converter and the oxygen sensor sy\
stem. Repeated use of leaded
gasoline will lessen the effectiveness of the emission control system an\
d could result in loss of emission
warranty coverage. State and local vehicle inspection programs will make\
detection of misfueling easier,
possibly resulting in emission test failure for misfueled vehicles.

Octane Rating

Volvo recommends the use of premium unleaded gasoline with an (R+M)/2 \
rating of 91. This is
generally equivalent to a Research Octane Number (RON) of 95 or higher\
.

Deposit Control Gasolines

Volvo recommends the use of gasolines that contain "Deposit Control" add\
itives. These additives are
specially formulated to prevent the build up of certain injector and int\
ake system deposits. Fuels
containing "Deposit Control" additives are usually advertised as contain\
ing them and may have
additional claims to "clean injectors and intake valves" or similar word\
ing.
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