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:
Cooling Fan Motor Inspection
Part Inspection
1. Verify that the battery is fully charged..
2. Disconnect the cooling fan motor connector (2 terminals).
3. Install a tester and battery to the cooling fan motor connector (2 terminals)
as shown in the figure.
4. Verify that each cooling fan motors operate smoothly at ...
Positive Crankcase Ventilation (PCV) Valve Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the intake manifold..
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
1
PCV hose
2
Oil separator
3
Retainer
( ...
Hood Disassembly/Assembly
1. Disassemble in the order indicated in the table.
1
Fastener
2
Hood insulator
3
Shroud seaming welt
4
Weather strip parting seal
5
Hood component
...
