Mazda 3 Service Manual: Thermostat Removal/Installation [Mzr 2.0, Mzr 2.5]
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 shoot out and cause serious injury. It may also damage the engine and cooling system.
-
Turn off the engine and wait until it is cool. Even then, be very careful when removing the cap. Wrap a thick cloth around it and slowly turn it counterclockwise 2.5 turns. Step back while the pressure escapes.
-
When you are sure all the pressure is gone, turn the cap using the cloth, and remove it.
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the plug hole plate..
4. Remove the aerodynamic under cover No.2 and splash shield as a single unit..
5. Drain the engine coolant..
6. Remove the generator drive belt with the A/C drive belt still installed and set it out of the way. (MZR 2.0).
7. Remove the drive belt. (MZR 2.5).
8. Remove the drive belt auto tensioner. (MZR 2.0).
9. Remove the idler pulley. (MZR 2.5).
10. Remove in the order indicated in the table.
11. Install in the reverse order of removal.
12. Refill the engine coolant..
13. Inspect for engine coolant leakage..
|
1 |
Water hose |
|
2 |
Lower radiator hose |
|
3 |
Thermostat component |
|
4 |
Gasket |
Thermostat Inspection [Mzr 2.0, Mzr 2.5]
1. Remove the thermostat..
2. Visually check that the thermostat valve is closed.
3. Place the thermostat in water.
WARNING:
During inspection, the thermostat and water are extremely hot ...
Emissions
...
Other materials:
Vacuum Hose Removal/Installation [Mzr 2.3 Disi Turbo]
1. Remove the charge air cooler cover..
2. Remove the charge air cooler..
3. Insert a thin flathead screwdriver at the point indicated by the arrow in
the figure, push the ring down and disconnect the vacuum hose from the intake manifold.
4. Remove the vacuum hose from the vacuum hose c ...
Aluminum Wheel Maintenance
A protective coating is provided over the
aluminum wheels. Special care is needed
to protect this coating.
CAUTION
Do not use any detergent other than
mild detergent. Before using any
detergent, verify the ingredients.
Otherwise, the product could discolor
or stain the alumi ...
Drive Belt Removal/Installation [Skyactiv G 2.0]
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before servicing.
NOTE:
Remove/install the drive belt from the underside of the vehicle.
Generator Drive Belt Removal/Installation
CAUTION:
To prevent damage to the dri ...
