Mazda CX-5 Service & Repair Manual: Thermostat

Mazda CX-5 Service & Repair Manual / Engine / Cooling / Thermostat

Purpose, Function

When the engine coolant temperature is low, the thermostat blocks the engine coolant passage between the radiator and engine. As a result, because engine coolant cycles without passing through the radiator, warming is promoted.

Construction

The thermostat is installed to the rear part of the cylinder head.

The thermostat has the following parts:

Operation

1. When the engine coolant temperature decreases, the thermostat valve closes and engine coolant circulates without passing through the radiator.

2. When the engine coolant temperature is 80.5—83.5°C, the thermostat valve starts to open and the engine coolant passed through the radiator flows to the engine.

Thermostat 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 ...

Emissions

...

Other materials:

Passenger Side Air Bag Module [Standard Deployment Control System]
Purpose When the passenger-side air bag module receives an impact from a frontal or frontal offset collision, the operation (deployment) of the air bag mediates the impact to the head and face of the front passenger. Function When the passenger-side air bag module receives ...

Bsm Indicator Light Flashes While Not Under Bsm Indicator Light Flashing Conditions (No Combination Switch Operation (Turn Signal Switch)) [Blind Spot Monitoring (Bsm)]
Description BSM indicator light flashes while not under BSM indicator light-flashing conditions (no combination switch operation (turn signal switch) The BSM indicator light flashes despite not satisfying the BSM indicator light flashing ...

Air Bag System Warning Light [Two Step Deployment Control System]
Purpose The air bag system warning light notifies the driver of a malfunction in the SRS air bag system. Function If a malfunction occurs in the SRS air bag system, the air bag system warning light illuminates or flashes. Construction LEDs (light-emitting d ...