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 MANUALSMAZDA20133 MAZDASPEED, 2.3L ENG VIN 3REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 8 (AUTOMATIC TRANSAXLE (SERVICE, REMOVAL & INSTALLATION FS5A-EL))MECHANICAL SYSTEM TESTMECHANICAL SYSTEM TEST PREPARATION
2013 Mazda 3 Mazdaspeed, 2.3L Eng VIN 3
Mechanical System Test Preparation
2013 Mazda 3 Mazdaspeed, 2.3L Eng VIN 3SECTION Mechanical System Test Preparation
WARNING: This page is about a different variant/trim than selected.
- Engage the parking brake and use wheel chocks at the front and rear of the wheels.
- Inspect the engine coolant. (See ENGINE COOLANT LEVEL INSPECTION .)
- Inspect the engine oil. (See ENGINE OIL LEVEL INSPECTION .)
- Inspect the ATF. (See AUTOMATIC TRANSAXLE FLUID (ATF) INSPECTION .)
- Inspect the idle speed. (See ENGINE TUNE-UP .)
- Inspect the ignition timing. (See ENGINE TUNE-UP .)
- Verify that no DTCs recorded. (See ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [FS5A-EL] .)
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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.