Mazda CX-5 Service & Repair Manual: Mechanical
Outline
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The sliding resistance*1 has been reduced by:
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the adoption of a rocker arm (built into needle roller bearing)
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reducing load on the valve spring
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narrowing down the crankshaft journal
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optimizing the piston skirt shape
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adoption of a low-tension piston ring
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lowered tensioning of the drive belt
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A maintenance-free design for valve clearance has been achieved with the adoption of the HLA.
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With the adoption of a piston cavity, cooling loss has been reduced.
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The pumping loss*2 has been reduced with the adoption of the variable valve timing mechanism on both sides of the intake and exhaust.
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The timing chain behavior has been stabilized and sliding resistance has been reduced by optimizing the shape and rigidity of the timing chain-related parts.
*2 Energy loss which occurs from each type of resistance corresponding to intake and exhaust is called pumping loss.
Structural View
Structure
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Consists of the following parts:
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Cylinder head cover |
(See CYLINDER HEAD COVER [SKYACTIV-G 2.0].) |
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Cylinder head |
(See CYLINDER HEAD [SKYACTIV-G 2.0].) |
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Cylinder head gasket |
(See CYLINDER HEAD GASKET [SKYACTIV-G 2.0].) |
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Cylinder block |
(See CYLINDER BLOCK [SKYACTIV-G 2.0].) |
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Crankshaft |
(See CRANKSHAFT, MAIN BEARING [SKYACTIV-G 2.0].) |
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Piston |
(See PISTON, PISTON RING, PISTON PIN [SKYACTIV-G 2.0].) |
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Connecting rod |
(See CONNECTING ROD, CONNECTING ROD BEARING [SKYACTIV-G 2.0].) |
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Engine front cover |
(See ENGINE FRONT COVER [SKYACTIV-G 2.0].) |
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Crankshaft pulley |
(See CRANKSHAFT PULLEY [SKYACTIV-G 2.0].) |
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Drive belt |
(See DRIVE BELT [SKYACTIV-G 2.0].) |
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Valve mechanism (See VALVE MECHANISM [SKYACTIV-G 2.0].) |
Valve |
(See VALVE, VALVE SPRING, VALVE SEAL, VALVE GUIDE [SKYACTIV-G 2.0].) |
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HLA |
(See HYDRAULIC LASH ADJUSTER, ROCKER ARM [SKYACTIV-G 2.0].) |
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Camshaft |
(See CAMSHAFT [SKYACTIV-G 2.0].) |
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Timing chain |
(See TIMING CHAIN, CHAIN TENSIONER [SKYACTIV-G 2.0].) |
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Variable valve timing mechanism (See VARIABLE VALVE TIMING MECHANISM [SKYACTIV-G 2.0].) |
OCV |
(See OIL CONTROL VALVE (OCV) [SKYACTIV-G 2.0].) |
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Hydraulic variable valve timing actuator |
(See HYDRAULIC VARIABLE VALVE TIMING ACTUATOR [SKYACTIV-G 2.0].) |
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Electric variable valve timing actuator |
(See ELECTRIC VARIABLE VALVE TIMING ACTUATOR [SKYACTIV-G 2.0].) |
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Electric variable valve timing relay |
(See ELECTRIC VARIABLE VALVE TIMING RELAY [SKYACTIV-G 2.0].) |
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Engine mount |
(See ENGINE MOUNT [SKYACTIV-G 2.0].) |
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Hydraulic Variable Valve Timing Actuator
Purpose, Function
The hydraulic variable valve timing actuator operates according to the hydraulic
pressure and changes the phases of the exhaust camshaft. As a result, the open/close
per ...
Miller Cycle Engine
Outline
The Miller cycle engine is a high-efficiency engine which achieves high fuel
economy performance by obtaining a high-expansion ratio.
The Miller cycle engine achieves a high- ...
Other materials:
Air Filter
Purpose
The air filter removes pollen and dust in the intake air and purifies air
flowing into the cabin.
Function
The air filter removes pollen and dust using a dust collecting filter.
Construction
The air filter is installed to the blower unit.
It ...
License Plate Light
Purpose
The license plate lights shine light on the license plate during nighttime
driving.
Function
The license plate lights illuminate in conjunction with the operation of
the light switch.
Construction
The license plate lights are installed to the liftgate.
...
Front Side Frame (Partial Cutting) Installation [Panel Replacement]
Symbol Mark
Installation Procedure
CAUTION:
The cut and joint area indicates the maximum size range of the installation
position.
1. Drill holes for the plug welding before installing the new parts.
2. When installing the new parts, trial-fit new and existing parts, and then ...
