Mazda CX-5 Service & Repair Manual: Crankshaft Pulley
Purpose, Function
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The crankshaft pulley transmits the drive force to the auxiliary parts via the drive belt.
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The crankshaft pulley suppresses torsional vibration of the crankshaft.
Construction
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The crankshaft pulley is installed to the front of the crankshaft.
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The crankshaft pulley has a torsional damper for suppressing torsional vibration of the crankshaft.
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The crankshaft pulley has key groove to match the timing to the crankshaft.
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The crankshaft pulley has a timing mark indicating the piston position.
Drive Belt Auto Tensioner Inspection
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before servicing.
CAUTION:
If the rubber part of the drive belt auto tensioner is d ...
Other materials:
Check Valve
Except U.S.A. And CANADA
Purpose, function
The check valve maintain the pressure in the fuel tank at constant pressure.
Construction
The check valve is installed to the side of the charcoal canister.
Mainly consists of valve, umbrella, and spring.
O ...
Fuel Pump Control Module
Purpose, Function
Controls the voltage applied to the fuel pump for reducing fuel pump load
and improving fuel economy.
Controls the voltage applied to the fuel pump based on the control signal
from the PCM.
Construction
The fuel pump control module is installed bel ...
Engine Oil Control
Outline
The PCM reduces the oil pump load applied to the engine by controlling the
appropriate engine hydraulic pressure according to the engine operation conditions.
The engine hydraulic pressure switches in two steps. When hydraulic pressure
is not needed, the oil pump dischar ...
