Crankcase Emission Control System
The positive crankcase ventilation system is employed to prevent air pollution caused by blow-by gases being emitted from the crankcase. This system supplies filtered fresh air to the crankcase through the air intake hose. Inside the crankcase, the fresh air mixes with blow-by gases, then passes through the PCV valve into the induction system.
See also:
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Drive belts
Inspect all drive belts for evidence of cuts, cracks, excessive wear or oil saturation
and replace if necessary. Drive belts should be checked periodically for proper
tension and adjusted as neces ...