Volvo 265 Specifications download pdf (Page 62)

1978 Volvo 264 265

This is a supplementary device in the exhaust system, designed to clean the remaining dirty exhaust

gases.

This device is mainly a container with a ceramic material insert, designed to let the exhaust gases

pass through channels in the insert. The channel walls are covered by a thin layer of platina-

palladium. These metals act as catalysts, permitting a chemical action to occur without actually

taking part in it.

The CO content will increase if the Catalytic Converter is damaged.

Lambda-sond equipped vehicles use catalytic converters containing platinum and rhodium.

CAUTION:

Vehicles with Catalytic Converter must use unleaded fuel only. Otherwise the Catalytic

Converter will be destroyed.

Torque catalytic converter mounting bolts

The Catalytic Converter mounting bolts should be torqued every 15,000 miles.

pg. 55 Emission control system

VI Engine Evaporative Emissions

Evaporative Control System

Vehicles intended for the North American market are equipped with a gas evaporative control

system, which prevents gas fumes from being released into the atmosphere.

The system consists of an expansion area in the fuel tank, a pressure relief valve and a charcoal

filter in the engine compartment.

The components are interconnected by hoses which channel fuel fumes from the gas tank to the

charcoal filter where they are stored until the engine is started and then drawn into the engine fuel

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Volvo 265 Specifications Page 62