REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Hyundai Elantra (from 2000 to 2004, the year of issue)

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

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Hyundai
	Elantra
		Gasoline engines 1.6, 1.8 and 2.0 liters
		The diesel engine of 2.0 liters
		Greasing system
		Cooling
		Fuel system
		Control systems and emission control
		Ignition system
		The system of preliminary heating of the diesel engine
		Coupling
		Manual transmission
		Automatic Transmission
		Drive shafts, front and rear axles
		Suspension
		Steering
		Brakes
			Technical data
			Check the brake servo
			Check unilateral vacuum valve
			Bleeding the hydraulic system of a drive of brakes
			Adjust the parking brake stroke
			Brake pedal
			Vacuum brake booster
			The main brake cylinder
			Replacing the front brake pads
			Caliper front brake
			Rear disc brakes
			Rear drum brakes
			Replacing the working brake cylinder
			Pressure regulator
			Brake tubes and hoses
			Parking brake
			Anti-lock brakes (ABS)
			Hydraulic block HECU
			Wheel speed sensor
			Bleeding the hydraulic system of a drive of brakes with scanner use
			Troubleshooting
		Body
		The air conditioning system
		Electrical equipment
		Electrical diagrams

Check unilateral vacuum valve

When checking the one-way valve, the valve should be in the vacuum hose.

PERFORMANCE ORDER

One-way valve is pressed into the vacuum hose at a certain position.

Connecting the vacuum pump	Criteria
On the side of the vacuum brake booster (A)	Vacuum is created and maintained
From the side of the intake manifold (B)	The vacuum is not created

If the one-way valve is faulty, replace it with the vacuum hose.