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:
Windshield Wiper And Washer Switch Inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Column cover.
b. Wiper and washer switch.
3. Use a tester to measure and verify that the continuity between the windshield
wiper and washer switch terminals is as indicated in the table.
If the continu ...
Tcs Off Switch, Tcs Off Indicator Light
Purpose/Function
The TCS OFF switch, located on the dashboard, allows for optionally enabling/disabling
the TCS control at driver discretion.
The TCS OFF indicator light, built into the instrument cluster, informs the
driver that TCS control has been disabled by operation ...
Sas Control Module Configuration (Using As Built Data) [Standard Deployment
Control System]
NOTE:
If the configuration is performed using As-Built data, the set value of the
personalization function is reset to the initial value (condition when shipped
from factory). Verify the set value with the customer and perform the personalization
function setting after performing th ...
