Volvo 1990 780 Model
Crankcase ventilation
The engine is equipped 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.
PCV system, B280F
The orifice nipple in the intake manifold should be cleaned every 60,000 miles (96,000 km).
Check/replace rubber hoses at the same time.
PCV system, B230F-Turbo
The orifice nipple in the intake manifold should be cleaned every 60,000 miles (96,000 km).
Check/replace rubber hoses at the same time.
pg. 101 Servicing (cont.)
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Содержание 1990 780
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