Mazda CX-5 Service & Repair Manual: Thermostat
Purpose, Function
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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
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The thermostat is installed to the rear part of the cylinder head.
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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:
DSC Related Parts Sensor Initialization Procedure
WARNING:
If the initialization procedure is not completed, the DSC will not operate
properly and it might cause an unexpected accident. Therefore, after replacing
or removing the DSC HU/CM or SAS control module, make sure to perform the initialization
procedure to insure proper DSC ...
Electric Variable Valve Timing Control
Outline
The PCM determines the optimum intake valve timing according to the engine
operation conditions, and sends the motor drive signals to the electric variable
valve timing driver. With the adoption of the electric drive system, variable
intake valve timing can be controlled with ...
Front Fog Lights Indicator Light
Purpose
Notifies the user that the front fog lights are illuminated.
Function
Illuminates when the front fog light illumination conditions are met.
Construction
Displayed in the instrument cluster.
Operation
1. With the light switch in the TNS, HEAD, or ...
