Mazda 6 GJ, GL 2012-2019 Full Repair Manual
Mazda 6 GJ, GL 2012–2019 Full Service Repair Manual – a detailed guide to maintenance and repair of all vehicle systems, including the engine, transmission, suspension, electronics and safety systems. Contains step-by-step instructions, diagrams and recommendations for troubleshooting, making it an indispensable tool for owners and specialists.
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Mazda 6 GJ, GL 2012-2019 Typical Problems
1. Body corrosion
Symptoms: Rust on wheel arches, trunk lid, door edges.
Bubbling paint at welds.
Causes: Insufficient anti-corrosion treatment.
Exposure to reagents in winter.
Solution: Carrying out anti-corrosion treatment.
Regular washing of the underbody and hidden cavities.
2. Problems with automatic transmission (SkyActiv-Drive)
Symptoms: Jerking when shifting gears.
Slippage when accelerating.
Error on the dashboard (P0744, P0757).
Causes: Overheating of oil in the gearbox.
Worn solenoids and clutches.
Solution: Replacing transmission fluid every 40-50 thousand km.
Diagnostics and possible replacement of the valve body.
3. Engine oil leaks
Symptoms: Oil stains under the car.
Increased oil consumption.
Smell of burnt oil.
Causes: Worn crankshaft and camshaft oil seals.
Poor sealing of the valve cover.
Solution: Replace the valve cover gasket and oil seals.
Use original oil and timely maintenance.
4. Steering rack problems
Symptoms: Knocking when turning the steering wheel.
Tight steering wheel rotation.
Hydraulic fluid leak.
Causes: Worn steering rack bushings.
Power steering fluid leak.
Solution: Replace bushings and boots.
Check fluid level and eliminate leaks.
5. Malfunctions of safety system sensors (ABS, TPMS)
Symptoms: ABS and TPMS indicators light up.
Failures in the stabilization system.
Incorrect tire pressure readings.
Causes: Contaminated or damaged wheel sensors.
Broken sensor wiring.
Solution: Clean or replace sensors.
Check and repair wiring.
6. Problems with multimedia and MZD Connect system
Symptoms: Freezing or rebooting multimedia.
No sound or image.
Problems with navigation and Bluetooth.
Causes: Software errors.
Damaged touch screen.
Solution: Reflash the system to the latest software version.
Replace the touch panel if faulty.
7. Rapid wear of brake discs and pads
Symptoms: Vibration when braking.
Knocking or creaking when pressing the brake pedal.
Decreased braking efficiency.
Causes: Overheating of brake discs.
Use of low-quality pads.
Solution: Installation of high-quality original components.
Regular check of the brake system condition.
8. Cooling system problems
Symptoms: Engine overheating.
Coolant leak.
Misting of glass due to leak in the heater radiator.
Causes: Clogged radiator.
Worn cooling system pipes.
Solution: Flush the cooling system.
Replace pipes and radiator if necessary.
9. Start-Stop system malfunctions
Symptoms: The car does not turn off the engine in a traffic jam.
The system turns on with a delay.
The Start-Stop indicator on the dashboard flashes.
Causes: Weak battery charge.
Crankshaft position sensor malfunction.
Solution: Replace the battery with a reinforced AGM model.
Check and replace the crankshaft sensor.
10. Fuel and fuel consumption sensor problems
Symptoms: Incorrect fuel level readings.
Check Engine error occurs.
Increased fuel consumption.
Causes: Faulty fuel level sensor.
Clogged fuel filter.
Solution: Replace the fuel level sensor.
Clean or replace the fuel filter.