Hyundai Tiburon 2003 Workshop Manual page 106

Valve Seat Ring Oversizes
Description
Intake valve
Seat ring
Exhaust valve
Seat ring
3. Heat the cylinder head to about 250° C (480° F) and press-fit an oversize seat ring for the bore in the cylinder
head.
4. Using lapping compound, lap the valve to the new seat.
Valve seat contact width
Intake : 1.1 ~ 1.5mm (0.043 ~ 0.059in.)
Exhaust : 1.3 ~ 1.7mm(0.051 ~ 0.067 in.)
REASSEMBLY
1. Install the spring seats.
2. Using special tool (09222-22001), lightly tap the seal in position.
• Do not reuse old valve stem seals.
• Incorrect installation of the seal could result in oil leakage of from the valve guides.
3. Apply engine oil to each valve. Insert the valve into their guides. Avoid pushing the valve into the seal by
force. After installing the valve,check that it moves smoothly.
4. Place valve springs so that the side coated with enamel faces toward the valve spring retainer.
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Size
Size mm (in.)
mark
0.3 (0.012) O.S. 30
0.3 (0.012) O.S. 30
Seat ring height H mm
(in.)
7.9 ~ 8.1 (0.311 ~ 0.319)
7.9 ~ 8.1 (0.311 ~ 0.319)
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Oversize hole diameter
I.D. mm(in.)
33.300 ~ 33.325
(1.311 ~ 1.312)
28.600 ~ 28.625
(1.126 ~ 1.127)
24.04.2008