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.
2021 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE
OEM General Information
- Abbreviations
- Electrical System (Us)]
- Handling Spare Tire
- How To Use This Service Information
- Identification Number Locations (Us)]
- Installation Of Radio System (Us)]
- Jacking Positions, Vehicle Lift (2 Supports) And Safety Stand (Rigid Rack) Positions (Us)]
- Pre-Delivery Inspection (Us)]
- Repair Connector Replacement/Wiring Harness Connection
- Sae Standards
- Scheduled Maintenance [2021MY (Us)]
- Service Cautions (Us)]
- Injury/damage Prevention Precautions
- Protection of the Vehicle
- Preparation of Tools and Measuring Equipment
- Malfunction Diagnosis System
- Connection to malfunction diagnosis system
- Oil Leakage Inspection
- Using UV light (black light)
- Not using UV light (black light)
- Negative Battery Terminal Disconnection/Connection
- Required Procedure After Negative Battery Terminal Disconnection/Connection
- Removal of Parts
- Control module configuration
- Disassembly
- Inspection During Removal, Disassembly
- Reassembly
- Adjustment
- Example (SST List)
- Example (In text)
- Emergency Engine Stop Operation
- Cautions on Chassis Dynamometer Use
- AWD inspection/service
- Service Cautions For Vehicles With Telematics Communication System (Us)]
- TIEDOWN Hook (Us)]
- Towing (Us)]
- Units
- Vehicle Identification Number (VIN) (Us)]
- Vehicle Identification Number (VIN) Code (Us)]
Factory Service Tools
Use the Manual With the Right Hardware
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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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