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.
2012 Mazda 3 L4-2.5LFACTORY OEM SERVICE PROCEDURE
System Specifications
SUSPENSION TECHNICAL DATA
Front wheel alignment (Unloaded)*1 [MZR 2.0, SKYACTIV-G 2.0, MZR 2.5]
*1
Engine coolant and engine oil are at specified level. Spare tire, jack and tools are in designated position.
*2
Difference between left and right must not exceed 1°30'.
Front wheel alignment (Unloaded)*1 [MZR 2.3 DISI Turbo]
*1
Engine coolant and engine oil are at specified level. Spare tire, jack and tools are in designated position.
*2
Difference between left and right must not exceed 1°30'.
Rear wheel alignment (Unloaded)*1 [MZR 2.0, SKYACTIV-G 2.0, MZR 2.5]
*1
Engine coolant and engine oil are at specified level. Spare tire, jack and tools are in designated position.
*2
Difference between left and right must not exceed 1°30'.
Rear wheel alignment (Unloaded)*1 [MZR 2.3 DISI Turbo]
*1
Engine coolant and engine oil are at specified level. Spare tire, jack and tools are in designated position.
*2
Difference between left and right must not exceed 1°30'.
WHEEL AND TIRE SPECIFICATION
Standard tire and wheel [MZR 2.0, SKYACTIV-G 2.0, MZR 2.5]
*1
Total weight exceeds 160 g {5.64 oz}.
*2
One balance weight: 60 g {2.1 oz} max. If the total weight exceeds 100 g {3.53 oz} on one side, rebalance after moving the tire around on the rim. Do not use three or more balance weights.
Standard tire and wheel [MZR 2.3 DISI Turbo]
*1
Total weight exceeds 160 g {5.64 oz}.
*2
One balance weight: 60 g {2.1 oz} max. If the total weight exceeds 100 g {3.53 oz} on one side, rebalance after moving the tire around on the rim. Do not use three or more balance weights.
Temporary spare tire and wheel
SUSPENSION
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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