2021 Chevrolet Blazer

Here’s a comprehensive breakdown of common issues and complaints for the 2021 Chevrolet Blazer, organized by category and powertrain configuration.

The 2021 Chevrolet Blazer is a mid-size SUV known for its sporty styling and available V6 engine, which delivers strong performance. Available engines include a 2.5L inline-4 engine producing 193 horsepower and 188 lb-ft of torque, a 2.0L turbocharged inline-4 engine that produces 228 horsepower and 258 lb-ft of torque and a 3.6L V6 engine which puts out 308 horsepower and 270 lb-ft of torque. All engines are paired with a 9-speed automatic transmission. Owners generally appreciate the Blazer’s comfortable ride, user-friendly infotainment system, and distinctive design. Common dislikes include the smaller-than-expected cargo space, the base engine’s lack of power, and some cheap-feeling interior materials.

Engine

2.0L Turbocharged Inline-4 Engine

• Excessive Oil Consumption
  • Description/Symptoms: Some owners have reported higher-than-normal oil consumption in the 2.0L Turbo engine, requiring frequent oil top-offs between scheduled oil changes. This can manifest as low oil level warnings or visible exhaust smoke.
  • Solution: The underlying cause of the oil consumption needs to be addressed. If the PCV valve is clogged or defective, replace it. Check for leaks in the oil cooler lines or oil pan gasket.
  • Estimated Cost to Fix: $50-$200+
  • Recalls: None Found

3.6L V6 Engine

• Premature Timing Chain Wear
  • Description/Symptoms: Some owners of the 3.6L V6 engine have experienced premature timing chain wear, leading to engine noise (rattling or whining), misfires, and potential engine damage. Symptoms may worsen over time.
  • Solution: Replace the timing chain, guides, and tensioners. Inspect and replace any damaged sprockets.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Transmission

9-Speed Automatic Transmission (All Engines)

• Harsh Shifting/Hesitation
  • Description/Symptoms: The 9-speed automatic transmission can exhibit harsh or jerky shifting, particularly during low-speed maneuvers or gear changes. Some owners also report hesitation or delays when accelerating.
  • Solution: A software update for the transmission control module (TCM) may improve shift quality. In some cases, a transmission flush or replacement of valve body components may be necessary.
  • Estimated Cost to Fix: $100 (Software Update) - $2,500+ (Valve Body/Transmission Replacement)
  • Recalls: None Found
• Transmission Failure
  • Description/Symptoms: Some owners have reported total transmission failure that has left them stranded.
  • Solution: Replace the transmission.
  • Estimated Cost to Fix: $4,000 - $6,000+
  • Recalls: None Found

Suspension

No Issues Found

Electrical

• Infotainment System Freezing/Crashing
  • Description/Symptoms: The infotainment system (touchscreen display) may freeze, become unresponsive, or crash unexpectedly. This can affect access to navigation, audio, and climate controls.
  • Solution: Try resetting the infotainment system by holding down the power button. A software update may be available to address the issue. In severe cases, the infotainment system module may need to be replaced.
  • Estimated Cost to Fix: $0 (Reset) - $100 (Software Update) - $500+ (Module Replacement)
  • Recalls: None Found
• Backup Camera Failure
  • Description/Symptoms: The backup camera may fail to display an image or show a distorted/unclear view. This can compromise safety during reversing maneuvers.
  • Solution: Check the camera lens for obstructions or damage. Inspect the wiring connections to the camera. The camera module may need to be replaced.
  • Estimated Cost to Fix: $100 - $400+
  • Recalls: None Found

Exterior

• Poor Quality Paint
  • Description/Symptoms: Some customers have noted that the paint is thinner than other vehicles, and is likely to chip if impacted.
  • Solution: Repaint the vehicle.
  • Estimated Cost to Fix: $3,000 - $10,000+
  • Recalls: None Found

Interior

• Sunroof Leaks
  • Description/Symptoms: Water leaks into the vehicle cabin, usually noticeable on the headliner or around the sunroof area.
  • Solution: Clean the sunroof drain tubes to remove any obstructions. Repair or replace damaged sunroof seals or components.
  • Estimated Cost to Fix: $50 - $500+
  • Recalls: None Found

Summary

The 2021 Chevrolet Blazer has several potential issues that buyers should be aware of. The most concerning issues revolve around the 3.6L V6 engine (timing chain wear) and the 9-speed transmission (harsh shifting/failure). Electrical issues with the infotainment system and backup camera are also relatively common. While some fixes are inexpensive (software updates, drain cleaning), others can be quite costly (transmission/engine repairs). Before purchasing a used 2021 Blazer, it’s advisable to have it inspected by a qualified mechanic to check for these common problems and review the vehicle’s service history.