Mazda CX-5 Service & Repair Manual: Water Pump
Purpose, Function
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The water pump operates by obtaining drive force from the engine via the drive belt to pump engine coolant.
Construction
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The water pump is installed to the engine front.
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The water pump consists of the following parts:
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A hard plastic shroud impeller has been adopted to the impeller. As a result, leakage loss from the front and back surfaces of the impeller is reduced and the pump efficiency is improved.
Operation
1. The water pump pulley rotates by obtaining drive force from the engine via the drive belt.
2. The impeller with the water pump pulley and shaft connected rotates to pump engine coolant.
Water Pump Removal/Installation
WARNING:
Never remove the cooling system cap or loosen the radiator drain plug while
the engine is running, or when the engine and radiator are hot. Scalding engine
coolant and steam may ...
Cooling Fan Relay
Purpose, Function
The cooling fan relay operates by receiving the signal from the PCM to supply
power to the cooling fan motor.
Construction
The cooling fan relay is installed o ...
Other materials:
Electric Variable Valve Timing Motor/Driver Inspection
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before servicing.
CAUTION:
Do not disassemble the electric variable valve timing motor/driver because
it is a precision unit.
Do not apply excessive force when rotating the ...
Cylinder Head
Outline
With the adoption of the rocker arm (built into needle roller bearing), the
sliding resistance has been reduced.
With the adoption of the HLA, the valve clearance is maintained at 0 mm at
all the times.
The contact point of the rocker arm and cam is lubricated by ...
Lift Motor Inspection
WARNING:
Handling a side air bag improperly can accidentally operate (deploy) the
air bag, which may seriously injure you. Read the service warnings/cautions
in the Workshop Manual before handling the front seat (side air bag integrated)..
1. Disconnect the negative battery cable ...
