Mazda CX-5 Service & Repair Manual: Miller Cycle Engine
Outline
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The Miller cycle engine is a high-efficiency engine which achieves high fuel economy performance by obtaining a high-expansion ratio.
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The Miller cycle engine achieves a high-expansion ratio without increasing its effective compression ratio by retarding the intake air valve close timing.
Operation
1. Intake air is introduced into the cylinder.
2. The intake valve is kept open after the intake stroke is finished to force the air in the cylinder to flow back to the intake pipe.
3. The compression stroke starts from the position in which the intake valve is closed (small compression).
4. The air-fuel mixture is combusted and the piston is pushed down to BDC (large expansion).
Mechanical
Outline
The sliding resistance*1 has been reduced by:
the adoption of a rocker arm (built into needle roller bearing)
reducing load on the valve spring
narrow ...
Non Return Valve Inspection
WARNING:
Fuel is very flammable liquid. If fuel spills or leaks from the pressurized
fuel system, it will cause serious injury or death and facility breakage. Fuel
can also irritate skin ...
Other materials:
Differential Oil Temperature Sensor
Purpose, Function
The differential oil temperature sensor detects the rear differential oil
temperature based on the resistance of the thermistor, and inputs it to the
AWD CM.
Construction
The differential oil temperature sensor is installed in the rear differential
carr ...
Rear Seat Back Trim Removal/Installation
6:4 Split Type
1. Remove the trunk board..
2. Remove the rear seat back..
3. Remove the headrest.
4. Remove the rear seat back frame..
5. Remove the C rings in the order of (1), (2), (3), and (4) shown in the figure,
and remove the rear seat back trim from the rear seat back pad.
CA ...
Front Door Checker Removal/Installation
CAUTION:
When the front door checker securing bolts are removed, the front door may
open until it contacts the front fender panel causing the front door and the
front fender panel to be damaged. Before removing the front door, overlap and
adhere the protective tape to the position s ...
