2017 Buick Enclave

The 2017 Buick Enclave is a popular three-row SUV known for its comfortable ride, spacious interior, and upscale features. It offered a good balance of luxury and practicality for families. However, like any vehicle, it has its share of common issues reported by owners. The 2017 Enclave came with a single engine option: a 3.6L V6 engine producing 288 horsepower and 270 lb-ft of torque. This engine was paired with a 6-speed automatic transmission. Owners generally liked the Enclave’s smooth ride and quiet cabin, but common complaints included issues with the infotainment system, transmission shifting, and some electrical malfunctions.

Engine

3.6L V6

• Timing Chain Wear/Failure
  • Description/Symptoms: Engine may exhibit a rattling noise upon startup, rough idling, check engine light with codes related to timing (P0008, P0016, P0017, etc.). In severe cases, the engine may stall or experience a significant loss of power.
  • Solution: Replacement of the timing chain, guides, tensioners, and possibly the camshaft sprockets.
  • Estimated Cost to Fix: $1,500 - $2,500+
  • Recalls: None Found
• High Pressure Fuel Pump Failure
  • Description/Symptoms: Long crank, hard starting, and check engine light with codes related to fuel pressure or high pressure fuel pump performance (P00C6).
  • Solution: Replacing the high pressure fuel pump.
  • Estimated Cost to Fix: $800 - $1200
  • Recalls: None Found
• Excessive Oil Consumption
  • Description/Symptoms: The engine consumes oil at a higher rate than normal, requiring frequent oil top-ups. This can lead to low oil levels and potential engine damage if not addressed.
  • Solution: Depending on the severity, options range from PCV valve replacement to piston ring replacement or complete engine replacement. A compression test and leak-down test can help determine the extent of the damage.
  • Estimated Cost to Fix: $500 (PCV valve) - $5,000+ (engine replacement)
  • Recalls: None Found

Transmission

6-Speed Automatic

• Harsh Shifting/Slipping
  • Description/Symptoms: The transmission may exhibit harsh or erratic shifts, particularly between certain gears. Slipping during acceleration can also occur.
  • Solution: In some cases, a transmission fluid flush and filter change may resolve the issue. More severe cases may require valve body replacement, TCM module replacement, or a complete transmission rebuild or replacement.
  • Estimated Cost to Fix: $200 (fluid flush) - $4,000+ (transmission replacement)
  • Recalls: None Found
• Torque Converter Shudder
  • Description/Symptoms: A noticeable shudder or vibration, especially at lower speeds under light acceleration.
  • Solution: Torque converter replacement. Some have had success with transmission fluid flush using an upgraded fluid.
  • Estimated Cost to Fix: $1,000 - $2,000
  • Recalls: None Found

Suspension

• Rear Suspension Noisy
  • Description/Symptoms: Clunking or squeaking noise coming from the rear suspension, especially when going over bumps.
  • Solution: Inspect and replace worn shocks, struts, bushings, or sway bar links.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: The battery drains overnight or within a short period of time, leading to difficulty starting the vehicle.
  • Solution: Identify and repair the source of the parasitic drain. This could involve testing the alternator, checking for faulty modules, or repairing damaged wiring.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found
• Infotainment System Malfunctions
  • Description/Symptoms: The infotainment screen may freeze, become unresponsive, or exhibit glitches.
  • Solution: Software updates or replacement of the infotainment unit.
  • Estimated Cost to Fix: $100 (software update) - $1,000+ (unit replacement)
  • Recalls: None Found
• HVAC Actuator Failure
  • Description/Symptoms: Clicking noises behind the dashboard, inability to control air temperature or direction, or inconsistent airflow.
  • Solution: Replacement of the faulty HVAC actuator(s).
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found

Exterior

• Power Liftgate Issues
  • Description/Symptoms: The power liftgate may fail to open or close properly, make unusual noises, or stop working altogether.
  • Solution: Diagnose and repair or replace the liftgate motor, struts, or latch mechanism.
  • Estimated Cost to Fix: $300 - $1,000+
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof will not open or close, opens/closes on its own or binds.
  • Solution: Replacement of the sunroof motor or entire sunroof assembly
  • Estimated Cost to Fix: $400 - $1200+
  • Recalls: None Found

Summary

The 2017 Buick Enclave, while offering a comfortable and spacious ride, has several common issues reported by owners. Engine problems such as timing chain wear and excessive oil consumption can be costly to repair. Transmission issues, especially harsh shifting, are also prevalent. Electrical issues can range from minor glitches in the infotainment system to more significant problems like battery drain. While some repairs are relatively inexpensive, others, such as engine or transmission replacement, can be quite costly. Potential buyers should be aware of these potential issues and have the vehicle thoroughly inspected before purchase.