REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Hyundai Sonata (2001 release)

general info. full specifications. diagnostics. hints. tips. tricks

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Hyundai
	Sonata
		General Information
		Engine
			Engines DOHC 2,0 and 2,4 l
			Engines V6 2,7 liter
			Lubrication system
			Cooling system
			Ignition system
			Power system
			Emission of exhaust gases
				Check fault
				Arrangement of elements of the emission control
				Crankcase Ventilation System
				PCV valve
				The system EVAP
				System control emissions
		Transmission
		Steering
		Chassis
		Brakes
		Body
		Additional security
		Systems of heating, ventilation and air conditioning, air-
		Electrical
		Diagrams

printable version

PCV valve

Withdrawal

Disconnect the ventilation hose from the positive crankcase ventilation valve (PCV). Remove the PCV valve from the cylinder head cover and reconnect the hose to the air.

Fig. 2.165. Checking the vacuum in the intake manifold

Start up the engine, let it idle and put a finger to the open edge of the valve PCV, make sure you have the vacuum in the intake manifold (Fig. 2.165).

If vacuum is not felt, clean the PCV valve and breather hose special solvent or replace them.

Check

Remove the PCV valve.

Fig. 2.166. Use a thin stick to check the movement of the valve plug (1) positive crankcase ventilation

To make sure that the plunger moves, insert a thin rod into the PCV valve from the threaded portion (Fig. 2.166).

If the plunger does not move, then PCV valve is clogged. Clean or replace the valve.

Install the PCV valve and tighten torque 8-12 Nm. ?�

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The system EVAP