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:
Powertrain System [C66 M R]
Purpose, Function
The powertrain mechanism changes the gear combination by engaging or releasing
the clutch hub and gear, and changes the power transmission route. Because of
the change in the power transmission route, the drive force (speed, torque,
rotation direction) input from th ...
Oil Pan Removal/Installation
WARNING:
Hot engines and engine oil can cause severe burns. Turn off the engine and
wait until it and the engine oil have cooled.
A vehicle that is lifted but not securely supported on safety stands is dangerous.
It can slip or fall, causing death or serious injury. Never work ...
Lap Pre Tensioner Seat Belt [Two Step Deployment Control System]
Purpose
The lap pre-tensioner seat belts retract and tighten the seat belt webbing
to protect the front passengers during a collision.
Function
The lap pre-tensioner seat belts operate (deploy) based on the operation
signal from the SAS control module to instantly retract a ...
