REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Hyundai Accent (2000 release)

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Hyundai
	Accent
		Instructions
		Engine
			Engines SOHC
				Technical data
				Toothed belt
				Check toothed belt tension
				Adjusting the tension of the toothed belt
				Ribbed Belts
				Engine Supports
				The front cover and the oil pump
				Air filter (ACL)
				Cylinder head
				Rocker
				Hydraulic jacks of backlashes of valves
				Replacing the valve seat
				Replacing the valve guide
				Valve
				Camshaft
				Cranks
				Crankshaft
				Flywheel
				The piston pin
				An exhaust manifold
				Intake manifold and the air chamber
				Cylinder block
				Removing and installing engine and gearbox
				Exhaust
				Troubleshooting
			Engines DOHC
		Greasing system
		Cooling
		Control, reduced toxicity
		Fuel system
		Ignition system
		Coupling
		Transmission
		Axes and power shafts
		Suspension
		Steering
		Brakes
		Body
		Air
		Electrical equipment
		Appendix
		Wiring

Replacing the valve seat

PERFORMANCE ORDER

	1. A valve seat insert worn to the limit must be replaced at room temperature by cutting the wall, as shown in Figure A.
2. After removing the old valve seat is necessary to chisel nest under the increased size of the valve seat.
3. Heat the cylinder head to a temperature of 250 ?� C and a press-fit the new valve seat repair size. When pressing the valve seat must be brought to room temperature. After installing a new valve seat must perform valve lapping.

Description	The increase in size, mm	Label size	Seat height, mm	Hole diameter in the cylinder head, mm
The seat of the intake valve	0.3	thirty	5.1-5.3	28,80-28,821
The seat of the intake valve	0.6	60	5.4-5.6	29,10-29,121
The seat of the exhaust valve	0.3	thirty	5,9-6,1	34,30-34,325
The seat of the exhaust valve	0.6	60	6.2-6.4	34,60-34,625