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owners manual Volvo 242
owners manual Volvo 242 - year of production: 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993 - Volvo 242 244 245 owners manual EN
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from owners manual to the vehicle Volvo 242, year of production 1974 - 1993:
1978 Volvo 242 244 245
damaged from abrasion. It is important to clean all parts of this secondary system thoroughly because
dirt greatly reduces the available voltage to the spark plugs.
Distributor cap and rotor
Check the distributor cap and rotor for wear cracks, carbon formation, dirt and corrosion.
Vacuum advance delay valve
This valve should be replaced every 30,000 miles. A clogged valve will impair fuel economy.
(Not used on all models.)
pg. 53 Emission control system
IV Engine crankcase Ventilation System
Crankcase ventilation
The engine is provided with positive crankcase ventilation which prevents crankcase gases from being
released into the atmosphere.
Instead, the crankcase gases are admitted to the intake manifold and cylinders.
Cleaning PCV valve
The calibrated positive crankcase ventilation (PCV) valve should be inspected every 15,000 miles and
cleaned if necessary. Rubber hoses should be checked for damage at the same time. Replace if
necessary.
V Engine External Exhaust Emissions
file:///K|/ownersdocs/1978/1978_242_244_245/78242244245_03a.htm (13 of 15)12/22/2006 10:11:27 PM
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year of production from: 1974
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Volvo 242 244 245 owners manual
pages 57 - 63
Volvo 242 244 245 owners manual
page 60 / 105
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