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

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				Replacing the valve seat
				Replacing the valve guide
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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	29,80-29,821
The seat of the intake valve	0.6	60	5.4-5.6	30,10-30,121
The seat of the exhaust valve	0.3	thirty	5,9-6,1	27,30-27,321
The seat of the exhaust valve	0.6	60	6.2-6.4	27,60-27,621

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