Operation Manual

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1979 Volvo 242 244 245

To reduce the strain on the brakes it is advisable not to use the brakes excessively.

Instead, shift into a lower gear and let the engine help with the braking. A good rule is to use the same

gear downhill as would be used uphill. For vehicles with automatic transmission use position 2 or in

some cases 1.

pg. 40 Catalytic Converter

Catalytic Converter Cautions

● Keep your engine properly tuned. Certain engine malfunctions, particularly involving the electrical,

fuel or ignition systems, may cause unusually high converter temperatures. Do not continue to operate

your vehicle if you detect engine misfire, noticeable loss of power or other unusual operating

conditions, such as engine overheating, repetitive stalls or backfires. A properly tuned engine will help

avoid malfunctions that could damage the Catalytic Converter.

● Remember that tampering or unauthorized modifications to the engine or the vehicle may be illegal

and can cause catalyst or exhaust system overheating. This includes:

Altering fuel injection settings or components.

Adjusting ignition timing beyond specified limits.

Altering emission system components or location or removing components.

● 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 to ignite under certain wind and weather

conditions.

● Excess starter cranking (in excess of one minute) with an intermittently firing or flooded engine, can

cause catalyst or exhaust system overheating. This also applies to lengthy pushing or towing of vehicle

to start (manual transmission only).

NOTE: Unleaded fuel is required for certain models. A label on the instrument panel and rear

fender, near the filler inlet will remind owners and filling station attendant of this requirement.

Important! It is unlawful to dispense leaded fuel into any vehicle labeled "unleaded gasoline only".

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