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- If the sealing surface of the valve is found to be
interrupted at one or more points or is not flat, re-
place the valve.
- Insert the valves into the cylinder head.
- Alternatively check the intake and exhaust
valves.
- The test is carried out by filling the manifold with
petrol and checking that the head does not ooze
through the valves when these are just pressed
with the fingers.
Inspecting the valve housings
- Clean the valve seats of any carbon residues.
- Using the Prussian blue, check the width of the
impression on the valve seat "
V
".
Characteristic
Standard value:
1 - 1.3 mm
Admissible limit:
1.6 mm
- If the impression width on the valve seat is larger than the prescribed limits, true the seats with a 45°
mill and then grind.
- In case of excessive wear or damages, replace the head.
Inspecting the valves
- Measure the diameter of the valve stems in the three positions indicated in the diagram.
STANDARD DIAMETER
Specification
Desc./Quantity
Inlet:
4.987 - 4.972 mm
Outlet:
4.975 - 4.960 mm
MP3 400 i.e.
Engine
ENG - 63
Содержание MP3 400 i.e.
Страница 4: ......
Страница 6: ......
Страница 7: ...INDEX OF TOPICS CHARACTERISTICS CHAR...
Страница 22: ...Characteristics MP3 400 i e CHAR 16...
Страница 23: ...INDEX OF TOPICS TOOLING TOOL...
Страница 34: ...Tooling MP3 400 i e TOOL 12...
Страница 35: ...INDEX OF TOPICS MAINTENANCE MAIN...
Страница 49: ...INDEX OF TOPICS TROUBLESHOOTING TROUBL...
Страница 53: ...INDEX OF TOPICS ELECTRICAL SYSTEM ELE SYS...
Страница 57: ...Components arrangement MP3 400 i e Electrical system ELE SYS 5...
Страница 87: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE...
Страница 92: ...Engine from vehicle MP3 400 i e ENG VE 6...
Страница 93: ...INDEX OF TOPICS ENGINE ENG...
Страница 196: ...Engine MP3 400 i e ENG 104...
Страница 197: ...INDEX OF TOPICS INJECTION INJEC...
Страница 211: ...Remove the gas command fitting as indicated in the photograph Pump supply circuit MP3 400 i e Injection INJEC 15...
Страница 246: ...Injection MP3 400 i e INJEC 50...
Страница 247: ...INDEX OF TOPICS SUSPENSIONS SUSP...
Страница 301: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS...
Страница 315: ...INDEX OF TOPICS COOLING SYSTEM COOL SYS...
Страница 321: ...Flywheel cover MP3 400 i e Cooling system COOL SYS 7...
Страница 322: ...Cooling system MP3 400 i e COOL SYS 8...
Страница 323: ...INDEX OF TOPICS CHASSIS CHAS...
Страница 339: ...INDEX OF TOPICS PRE DELIVERY PRE DE...
Страница 344: ...Pre delivery MP3 400 i e PRE DE 6...
Страница 345: ...INDEX OF TOPICS TIME TIME...
Страница 374: ...Seat SADDLE Code Action Duration 1 004003 Saddle Replacement Time MP3 400 i e TIME 30...