Valve, Valve Spring, Valve Seal Guide Construction [Mzi-3.5]; Tappet Construction [Mzi-3.5] - Mazda CX-9 2007 Service Highlights

VALVE, VALVE SPRING, VALVE SEAL GUIDE CONSTRUCTION [MZI-3.5]

• Each cylinder has two intake valves and two exhaust valves, total of 4 valves.
• A valve seal integrated into the lower valve spring
seat has been adopted for simplification and
improved serviceability.
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NG: TAPPET

TAPPET CONSTRUCTION [MZI-3.5]

• Shimless tappets have been adopted. (Shim integrated with tappet.)
• The valve clearance can be adjusted by replacing the tappet.
TAPPET
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NG: VALVE
MECHANICAL [MZI-3.5]
UPPER VALVE
SPRING SEAT
VALVE
CAMSHAFT
VALVE STEM CONTACT SURFACE
VALVE KEEPER
TAPPET SECTIONAL VIEW
CAM LOBE CONTACT SURFACE
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01-10
VALVE SPRING
VALVE SEAT
VALVE GUIDE
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01-10–9