Operation Manual

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1979 Volvo 242 244 245

Maintenance Operation

Miles

600-

1,200

7,500 15,000 22,500 30,000 37,500 45,000

(Km)

(1,000-

2,000)

(12,500) (25,000) (37,500) (50,000) (62,500) (75,000)

EMISSION CONTROL

SYSTEM

III ENGINE IGNITION

COMPONENTS

Spark Plugs R R R

Distributor Advance Mechanism I

Ignition Timing I I I I

Distributor Cap and Rotor I I I

Ignition Wiring I I I

Vacuum Advance Delay Valve R

IV ENGINE CRANKCASE

VENTILATION SYSTEM

PCV Nipple (Orifice) I I I

Ventilation Hoses I I I

V ENGINE EXTERNAL

EMISSIONS

Exhaust Gas Recirculation

Components

**I *R **I

Catalytic Converter Mounting Bolts A A A A

Reset Service Indication for EGR

or Oxygen Sensor

A ***A A

* Replace EGR valve, Functional check

** Functional check

***Reset Oxygen sensor

pg. 46 Servicing

1979

MAINTENANCE SCHEDULE

242 244 245

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