Valve, Valve Spring, Valve Seal, Valve Guide - Mazda 6 Training Manual

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1 Hole for a rachet lock
2 Oil supply hole
3 Check ball
4 Piston spring
5 Piston
End Of Sie

VALVE, VALVE SPRING, VALVE SEAL, VALVE GUIDE

Structure
• The valves are heat-resistant steel. There are two intake valves, two ehaust valves per No.1 cylinder.
VALVE SPEC.
ITEM
Valve full length
Intake valve umbrella diameter
Ehaust valve umbrella diameter
Stem diameter
• The intake valve and the ehaust valve are treated with the tufftride process to improve abrasion resistance.
• The valve spring is an uneven outer dimension type. It has been improved by reducing the size of the upper
seat.
• The valve guide is made of the sintered alloy to improve abrasion resistance.
• The valve seat is integrated with the lower valve spring seat to simplify the unit and improve its serviceability.
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1 Valve keeper
2 Upper valve spring seat
3 Valve spring
4 Valve seal
5 Valve guide
6 Valve
End Of Sie
VALVE MECHANISM
L8
(mm {in})
(mm {in}) About 32.5 {1.28}
About 28
(mm {in})
{1.10}
(mm {in})
6 Rack
7 Ratchet
8 Ratchet spring
9 Cross-section
LF
Intake valve: About 101.6 {4.000}
Ehaust valve: About102.6 {4.039}
About 35 {1.38}
About 30 {1.18}
Intake valve: About 5.5 {0.22}
Ehaust valve: About 5.5 {0.22}
B
A6E221112111T02
L3
AME2211N008
B–25