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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Kia Rio (2000 release)

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Kia Rio
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Kia
Rio
Instructions
Engines A3E, A5D
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Hit Counter by Digits


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Check valves



PERFORMANCE ORDER
1. Examine each valve on revealing of following defects:

- Damage or deformation of the valve stem;
- Damage to the valve plate;
- Damage or uneven wear of the valve stem end.
2. Check the width of the chamfer at the end of the valve stem. If necessary, repair or replace the valve.

The width of the chamfer:
Intake valve: 1.0 mm
Exhaust valve: 1.0 mm

3. Measure the length of each valve.
The length of the valve, mm
A5D
A3E
The intake valve
Rated
96.450
104.950
Minimum
96.250
104.750
The outlet valve
Rated
95,550
103.450
Minimum
95.350
103.250
4. micrometer at several places in height, measure the diameter of the valve stem.
The diameter of the valve stem, mm
A5D
A3E
The intake valve
Rated
5,465-5,480
6,455-6,470
Minimum
5,425
6,415
The outlet valve
Rated
5,430-5,450
6,450-6,465
Minimum
5,390
6,410

5. Nutromer in several places, measure the inside diameter of the valve guides.

The inner diameter of guides:
Engine A5D: 5,500-5,515 mm
Engine A3E: 6,500-6,515 mm

6. Calculate the gap between the guide sleeve and valve stem. For this subtract the outer diameter of the valve stem from the inner diameter of the corresponding valve guide.

Gap:
Engine A5D:
Intake valve: 0,020-0,050 mm
Exhaust valve: 0,050-0,085 mm
Engine A3E:
Intake valve: 0,030-0,060 mm
Exhaust valve: 0,035-0,065 mm

7. If the backlash exceeds the limit, replace the valve and / or valve guide.
8. Measure the height of each protrusion of the valve sleeve. If necessary, replace the valve guide.

The height of the protrusion of the valve sleeve:
Engine A5D:
Intake valve: 12,8-13,4 mm
Exhaust valve: 12,8-13,4 mm
Engine A3E:
Intake valve: 10,2-10,8 mm
Exhaust valve: 10,2-10,8 mm


A warning

Guide bushings intake and exhaust valves are different.






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