Volvo C70 BROCHURE 2 Operations Instructions download pdf (Page 134)

1998 C70

arrows molded into the bottom of the sill rail.

CAUTION: Certain models have reduced ground clearance due to the design of the front spoiler.

Please observe caution when driving the car onto a garage hoist.

pg. 111 Servicing (cont.)

Torque exhaust and intake manifold nuts

A loose manifold could alter air/fuel ratio and cause an increase in emission and/or poor driveability.

Air cleaner

Replace the air cleaner cartridge with a new one every 30,000 miles (48,000 km). The cartridge should

be replaced more often when driving under dirty and dusty conditions. The filter cannot be cleaned and

therefore should always be replaced with a new one.

Vacuum fittings, hoses and connections

Unstable idle, misfiring, or poor emission control is often caused by leaking vacuum hoses or

connections. Check all vacuum hoses and connections.

Idle air control system

Your Volvo is equipped with an electronically controlled idle air control system that requires no

checking or adjustment.

Timing belt

For proper functioning of the vehicle and its emission control systems, Volvo recommends that the

timing belt be replaced every 70,000 miles (112,000 km). Engine damage will occur if the belt fails.

Fuel system cap, tank and lines and connections

The effectiveness of the fuel system to contain hydrocarbons is dependent largely on a leak-free system.

Check for proper sealing of the gasoline filler cap which contains "O" ring type seals.

Fuel (line) filter

The fuel line filter is located next to the fuel pump. For proper functioning of the vehicle and its

emission control systems, the fuel line filter should be replaced at 100,000 miles (160,000 km). The

filter is replaced as one complete unit. Replace more frequently if contaminated fuel is introduced into

the tank (or if there is reason to suspect that this has occurred).

PCV system

The orifice nipple in the intake manifold and the filter at the end of the PCV hose in the air cleaner

should be inspected every 60,000 miles (96,000 km). Check/replace rubber hoses at the same time.

Charge air cooler (Intercooler)

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Volvo C70 BROCHURE 2 Operations Instructions Page 134