2003 VOLVO C70 Owners Manual

brake sensor remove seats jump start wipers cruise control coolant

Page 65 of 98

VOLVO C70 2003 Owners Manual Maintenance services
Your Volvo passed several major inspections before it was delivered to you, in accordance with Volvo specifications.
The maintenance services outlined in the Warranty and Service

Maintenance services
Your Volvo passed several major inspections before it was delivered to you, in accordance with Volvo specifications.
The maintenance services outlined in the Warranty and Service Records Information booklet, many of which will
positively affect your vehicle's emissions, should be performed as indicated. It is recommended that receipts for
vehicle emission services be retained in case questions arise concerning maintenance.
Inspection and service should also be performed anytime a malfunction is observed or suspected.
Page 113
provides more information about maintenance of emission-related components.
Applicable warranties U.S.
In accordance with applicable U.S. and Canadian regulations, the following list of warranties is provided.
New Car Limited Warranty- U.S.
New Car Warranty - Canada
Parts and Accessories Limited Warranty
Corrosion Protection Limited Warranty
Seat Belt and Supplemental Restraint Systems Limited Warranty-U.S.
Seat Belt and Supplemental Restraint Systems Warranty -Canada
Emission Design and Defect Warranty
Emission Performance Warranty -U.S. and Province of British Columbia only
These are the Federal warranties; other warranties are provided as required by laws in your state or province. Refer to
your separate Warranty and Service Records Information Booklet for detailed information concerning each of the
warranties.
pg. 112 Servicing
Hoisting the car
If a garage jack is used to lift the car, the two jack attachments points should be used. They are specially reinforced to
bear the weight of the car. A garage jack can also be placed under the front of the engine support frame and under the
reinforced plate in the spare wheel well. Take care not to damage the splash guard under the engine. Ensure that the
jack is positioned so that the car cannot slide off it. Always use axle stands or similar structures.
If a two-post hoist is used to lift the car, the front lift arm pads should be positioned under the rear engine frame
mounts. The rear lift arm pads should be positioned under the rear supporting arm bracket.
CAUTION : Certain models have reduced ground clearance due to the design of the front spoiler. Please observe
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VOLVO C70 2003 Owners Manual caution when driving the car onto a garage hoist.
pg. 113 Emission Maintenance
Periodic maintenance helps minimize emissions
Periodic maintenance will help keep your vehicle running well. Your Wa

caution when driving the car onto a garage hoist.
pg. 113 Emission Maintenance
Periodic maintenance helps minimize emissions
Periodic maintenance will help keep your vehicle running well. Your Warranty and Service Records Information
booklet provides a comprehensive periodic maintenance schedule up to 150,000 miles (240,000 km) of vehicle service.
The schedule includes components that affect vehicle emissions. This page describes some of the emission-related
components.
Engine air filter
The engine air filter cleans particles from air entering the engine. Replace the engine air filter cartridge with a new one
every 37,500 miles (60,000 km) under normal driving conditions. Replace the cartridge more often when the vehicle is
driven under dirty and dusty conditions. The cartridge cannot be cleaned, and should always be replaced with a new
one.
Fuel filter
The fuel filter should be replaced at 105,000 miles (168,000 km). The filter is replaced as a complete unit. Replace
more frequently if contaminated fuel is introduced into the tank, or if there is reason to suspect that this has occurred.
Fuel system, including filler cap, tank and lines and connections
The ability of the fuel system to contain hydrocarbons depends upon a leak-free system. Inspect fuel lines every
30,000 miles (48,000 km). Check for proper sealing of the fuel filler cap which contains "O" ring seals.
NOTE: If the fuel filler cap is not closed tightly or if the engine is running when the car is refueled, the Check Engine
light ("Malfunction indicator") may indicate a fault. However, your vehicle's performance will not be affected. Use
only Volvo original or approved fuel filler caps.
Timing belt
For proper functioning of the vehicle and its emission control systems, the timing belt and belt tensioner must be
replaced every 105,000 miles (168,000 km). Engine damage will occur if the belt fails.
PCV system
(on turbocharged models)
The nipple in the intake manifold and the filter at the end of the PCV hose in the air cleaner should be inspected and
cleaned at 105,000 miles (168,000 km) and thereafter, again at 150,000 mile (240,000 km) intervals.
Spark plugs
The spark plugs should be replaced every 60,000 miles (96,000 km) under normal driving conditions. City driving or
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VOLVO C70 2003 Owners Manual fast highway driving may necessitate replacement sooner.
Under normal driving conditions, spark plugs require no maintenance between replacement intervals. When installing
new plugs, be sure to

fast highway driving may necessitate replacement sooner.
Under normal driving conditions, spark plugs require no maintenance between replacement intervals. When installing
new plugs, be sure to use the right type and to tighten them correctly. When changing the plugs, clean the terminals
and rubber seals. Also check that the suppressor connectors are in good condition. Cracked or damaged connectors
should be replaced.
pg. 114 Fuel/emissions systems
Fuel system
The fuel system is all-electronic and is microprocessor-controlled. It can continually compensate for variation in
engine load, speed and temperature to give the best economy and power. A mass air flow sensor measures the inducted
air. In this way the system can make instantaneous adjustments for changes in air temperature or density, thus always
assuring the best economy with the lowest possible exhaust emissions.
Heated oxygen sensor(s)
This is an emission control system designed to reduce emissions and improve fuel economy. The heated oxygen sensor
monitors the composition of the exhaust gases leaving the engine. The exhaust gas analysis is fed into an electronic
module. This adjusts the air-fuel ratio to provide optimum conditions for combustion and efficient reduction of the
three major pollutants (hydrocarbons, carbon monoxide and oxides of nitrogen (NOx)) by a three-ways catalytic
converter.
Crankcase ventilation
Crankcase ventilation
The engine is provided with positive crankcase ventilation which prevents crankcase gases from being released into the
atmosphere. Instead, the crankcase gases are admitted to the intake manifold and cylinders.
Evaporative control system
The car is equipped with an evaporative control system which prevents gasoline vapor from being released into the
atmosphere.
The system consists of a fuel tank with filler pipe and cap, a rollover valve, a Fill Limit Vent Valve (FLVV), vapor
vent lines, a charcoal canister, a purge line, a purge control valve and engine connections.
In addition, there is a pressure sensor connected to the fuel tank and a filter -protected Canister Close Valve (CCV) on
the atmospheric side of the canister, for system diagnosis.
The gasoline vapor is channeled through the rollover valve and the FLVV via the vapor vent lines into the charcoal
canister, where it is stored. When the engine is started, the gasoline vapor is drawn from the charcoal canister to the
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VOLVO C70 2003 Owners Manual engines air intake system and into the combustion process.
NOTE:
If the fuel filler cap is not closed tightly or if the engine is running when the car is refueled, the Malfunction
Indicator Lamp

Page 69 of 98

VOLVO C70 2003 Owners Manual 2 0 0 3
VOLVO C70
Chapter 9 - Specifications
pg. 125 Specifications
Page
Oil/fluids specifications 126
Engine specifications127
Cooling/fuel/distributor ignition systems128
Front/rear suspensions128

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VOLVO C70 2003 Owners Manual pg. 127 Engine specifications
Engine
Liquid-cooled gasoline, 5-cylinder, in-line engine. Aluminum alloy cylinder block with cast-iron cylinder liners cast
directly into the block. Aluminum alloy cylin

Page 71 of 98

VOLVO C70 2003 Owners Manual Cooling system
Type: Positive pressure, closed system
Thermostat begins to open at 180° F (87° C)
Coolant: Volvo original coolant/antifreeze
Capacity: 7.4 US qts. (7.0 liters)
Fuel system
The engi

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VOLVO C70 2003 Owners Manual pg. 129 Specifications
Power transmission
Manual transmission: M 56 H
Single-disc dry plate clutch. All-synchromesh on all gears including reverse; integrated final drive. Operation via a
floor mo

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