Mazda CX-5 Service & Repair Manual: Water Pump

Mazda CX-5 Service & Repair Manual / Engine / Cooling / Water Pump

Purpose, Function

The water pump operates by obtaining drive force from the engine via the drive belt to pump engine coolant.

Construction

The water pump is installed to the engine front.
The water pump consists of the following parts:
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:

Throttle Position (TP) Sensor
Purpose/Function Detects the throttle valve opening/closing condition, which operates in accordance with the accelerator pedal operation, as basic information for mainly determining the fuel injection amount. Detects the throttle valve opening/closing condition, which operates i ...

Anticorrosion, Sound Insulation, And Vibration Insulation
Body Sealing Apply body sealer where necessary. For locations where application of body sealer is difficult after installation, apply it before installation. Application of Undercoating Apply an undercoat to the required location of the body. Application ...

Awd Control Module
Purpose, Function The AWD CM calculates the optimal amount of torque distribution for the rear wheels and outputs a corresponding electric current to the electronic control coupling (AWD solenoid). This calculation is based on the accelerator pedal angle, four-wheel speed, engine spe ...