2012 Subaru Impreza Repair Manual (WRX and WRX STI)

The 2012 Subaru Impreza is a compact car that is well-regarded for its all-wheel-drive system, safety features, and solid handling. It comes in both sedan and hatchback body styles, offering good versatility for different types of buyers. While the Impreza is generally reliable, there are a few common issues that have been reported by owners.

1. Excessive Oil Consumption

• Issue: Similar to other Subaru models from this period, some 2012 Impreza owners have reported excessive oil consumption, particularly in the 2.5L engine.
• Symptoms: Low oil levels, oil warning light, or the need to top off oil between oil changes.
• Solution: Regularly check and top off oil. If oil consumption is excessive, Subaru may address the issue through an extended warranty or repair program.

2. CVT Transmission Issues

• Issue: The continuously variable transmission (CVT) found in the 2012 Impreza may experience shuddering, hesitation, or jerking, especially under heavy acceleration or during rapid changes in speed.
• Symptoms: Hesitation, unusual whining noises, or delayed acceleration.
• Solution: Ensure regular CVT fluid changes. If problems persist, a visit to a Subaru dealership may be necessary to check for software updates or transmission repairs.

3. Steering Wheel Vibration

• Issue: Some owners report vibrations in the steering wheel, especially at highway speeds, often caused by improperly balanced tires or alignment issues.
• Symptoms: Steering wheel vibration, particularly at higher speeds or during long drives.
• Solution: Perform a wheel alignment and ensure the tires are properly balanced. Check for worn suspension components as well.

4. Suspension Noises

• Issue: Worn suspension components, such as struts or sway bar links, may cause clunking or squeaking noises.
• Symptoms: Unusual noises when driving over bumps or rough roads.
• Solution: Inspect and replace worn suspension components to restore smooth ride quality.

5. Brake System Wear

• Issue: Some 2012 Impreza models have been reported to experience premature brake wear, particularly on the front brakes.
• Symptoms: Squealing, squeaking, or grinding noises when applying the brakes.
• Solution: Replace worn brake pads and rotors, and inspect the brake system regularly to avoid further wear.

6. Paint and Clear Coat Issues

• Issue: Some owners have reported that the paint and clear coat on the exterior can chip or fade more easily than expected.
• Symptoms: Peeling or fading paint, especially on the hood and roof.
• Solution: Apply protective wax regularly, and consider a protective film or clear bra to protect high-impact areas.

7. Electrical System Issues

• Issue: Some owners have experienced issues with electrical components such as malfunctioning power windows, door locks, or battery drain.
• Symptoms: Unresponsive electrical components, flickering lights, or a dead battery.
• Solution: Inspect the wiring and fuses, and replace the battery if it’s showing signs of failure. Check for parasitic draws if the battery keeps draining unexpectedly.

Maintenance Tips for the 2012 Subaru Impreza

1. Oil Changes: Use high-quality synthetic oil and monitor oil levels frequently to avoid oil consumption problems.
2. CVT Fluid Service: Change the CVT fluid every 30,000–60,000 miles to help prevent transmission issues.
3. Brake Maintenance: Regularly check brake pads and rotors for wear and replace them as needed.
4. Suspension Checks: Inspect suspension components such as struts and sway bar links for wear.
5. Tire Maintenance: Rotate tires every 6,000–8,000 miles and maintain proper alignment to avoid steering vibrations.

Key Features of the 2012 Subaru Impreza

• Engine Options:
  • 2.0L 4-cylinder engine producing 148 horsepower.
• Transmission:
  • 5-speed manual transmission or CVT.
• Fuel Economy:
  • 2.0L Engine: ~25 mpg city / 33 mpg highway (manual) or 27 mpg city / 36 mpg highway (CVT).
• All-Wheel Drive: Standard on all models.
• Notable Features:
  • Improved interior quality over previous generations.
  • Subaru’s Symmetrical All-Wheel Drive for excellent handling in various weather conditions.
  • High safety ratings, including standard front, side, and curtain airbags.

Pros and Cons

Pros

• Standard all-wheel drive provides great traction in various conditions.
• Good fuel economy, especially with the CVT.
• Spacious interior for a compact car, especially in the hatchback version.
• Excellent safety features and ratings.
• Reliable with regular maintenance.

Cons

• Oil consumption issues with the 2.0L engine.
• CVT transmission may be problematic if not maintained.
• Premature brake wear on some models.
• Paint durability concerns with chipping or fading.
• Lack of power for some drivers, especially when accelerating on the highway.

Summary

The 2012 Subaru Impreza is an excellent compact car for those who prioritize all-weather capability, safety, and fuel efficiency. While it has many positives, including its AWD system and reliability, there are some issues, including oil consumption, CVT concerns, and suspension noises. Regular maintenance, including oil checks, brake system inspections, and CVT fluid changes, can help avoid many of these problems and ensure the Impreza remains a dependable vehicle for years to come.