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:
Installing Child-Restraint Systems
Accident statistics reveal that a child is safer in the rear seat. The front
passenger's seat is clearly the worst choice for any child under 12, and with rear-facing
childrestraint systems it is clearly unsafe due to air bags.
NOTE
Even if your vehicle is equipped with front passenger sea ...
Power Metal Oxide Semiconductor Field Effect Transistor (Power Mos Fet) [Full
Auto Air Conditioner]
Purpose
The power MOS FET controls the blower motor rotation speed.
Function
The power MOS FET controls the supply voltage to the blower motor based on
the gate voltage sent from the climate control unit, and adjusts the fan rotation
speed (airflow volume).
Constructi ...
Tire Pressure Warning Alarm
Purpose
The tire pressure warning alarm warns the user that a tire pressure has decreased
or notifies the user that the tire pressure warning alarm has been reset.
Function
If the instrument cluster receives a tire pressure warning alarm request
signal sent from the D ...
