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1977 Volvo 242 244 245
Maintenance Operation
Miles 600 7,500 15,000 22,500 30,000 37,500 45,000
EMISSION CONTROL SYSTEM
I ENGINE MECHANICAL COMPONENTS
Engine Oil and Filter *
R
R
R
R
R
R
R
Engine Coolant
R
Cooling System Hoses and Connections
I
I
I
I
Engine Drive Belts
I
I
I
I
I
I
I
Torque Cylinder Head Bolts
A
Torque Manifold Bolts
A
Valve Clearance
I
I
I
I
Camshaft drive belt
A
A
A
R
Vacuum Fittings, Hoses and Connections
I
I
I
I
II ENGINE FUEL SYSTEM
Fuel (Line) Filter
R
Fuel (Tank) Filter
I
I
I
Air Cleaner Filter
R
Idle RPM
A
I
I
I
Mixture Ratio
I
I
I
I
Fuel System Cap, Tank, Lines and Connections
I
I
Fuel Injection Electrical Connections
I
I
I
Oxygen Sensor
R
R
R
Electrical connections in oxygen sensor system
I
I
I
*Change oil at least every sixth month.
However, adverse conditions (like hot ambient temperatures, trailer pulling, hill climbing, driving
long distances at high speeds, extended periods of idling or low speed operation, short trip
operation at freezing temperatures) require oil changes more frequently (every three months).
pg. 45 Servicing
1977
MAINTENANCE SCHEDULE
242 244 245
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