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:

Front Scuff Plate Removal/Installation
1. Take the shaded area shown in the figure, detach tab A while pulling the front scuff plate in the direction of the arrow (1) shown in the figure, then detach the hook B, clip C, and pin D while pulling in the direction of the arrow (2). 2. Take the shaded area shown in the figure, detach ta ...

Shift Lock System Inspection
Shift-Lock System Inspection 1. Switch the ignition ON (engine off). 2. Shift the selector lever to the P position. 3. Verify that the selector lever cannot be shifted from P to R position when the brake pedal is released. If it can be verified, go to the next step. If not as ...

Fuel Injection Control System
Outline Performs optimum fuel injection according to engine operation conditions. The PCM determines the engine operation conditions based on the signals from each input device and drives the fuel injectors at the optimal fuel injection time (fuel injection amount) and the fuel ...