Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 236 (COOLING SYSTEM)THERMOSTAT REMOVAL/INSTALLATIONNOTES
2010 Mazda 5 Sport, 2.3 L, Standard
Thermostat Removal/Installation: Notes
2010 Mazda 5 Sport, 2.3 L, StandardSECTION Notes
WARNING: This page is about a different car, the 2004 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
- Remove and install all parts when the engine is cold, otherwise they can cause severe burns or serious injury.
- Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION .)
- Remove the battery cover.
- Disconnect the negative battery cable.
- Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
- Remove the battery, battery box.
- Remove the secondary air control valve. (See SECONDARY AIR INJECTION (AIR) CONTROL VALVE REMOVAL/INSTALLATION .)
- Before positioning the drive belt out of the way, loosen the water pump pulley installation bolt.
- Position the drive belt out of the way. (See DRIVE BELT REPLACEMENT .)
- Remove the water pump pulley. (See WATER PUMP REMOVAL/INSTALLATION .)
- Remove in the order indicated. See Fig 1.
- Install in the reverse order of removal.
- Add engine coolant. (See ENGINE COOLANT REPLACEMENT .)
- Inspect for engine coolant leakage. (See ENGINE COOLANT LEAKAGE INSPECTION .)
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.