2007 Buick LaCrosse

Introduction:

The 2007 Buick LaCrosse is a midsize sedan known for its comfort, spacious interior, and quiet ride. It’s powered by a 3.8L V6 engine producing 201 horsepower and 227 lb-ft of torque, paired with a 4-speed automatic transmission. Other engine options include a 3.6L V6 with 280 horsepower and 255 lb-ft of torque, mated to a 6-speed automatic transmission. Owners praise its smooth ride, comfortable seating, and stylish exterior, while common complaints include its lack of power, outdated technology, and high fuel consumption.

Engine

3.8L V6

• Intake Manifold Gasket Leak: Oil or coolant leaking from the intake manifold gasket. Symptoms include low coolant levels, oil in the coolant, and rough idle. Solution: Replace the intake manifold gasket. Estimated Cost to Fix: $400 - $600+
• Timing Chain Tensioner Failure: The timing chain tensioner can fail, leading to a noisy engine, reduced power, and potential engine damage. Solution: Replace the timing chain tensioner. Estimated Cost to Fix: $1,000 - $1,500+
• Power Steering Pump Failure: The power steering pump can fail, resulting in difficulty steering, especially at low speeds. Solution: Replace the power steering pump. Estimated Cost to Fix: $500 - $800+
• Air Conditioning Compressor Failure: The air conditioning compressor can fail, causing the AC system to stop functioning properly. Symptoms include warm air blowing from the vents and reduced cooling performance. Solution: Replace the air conditioning compressor. Estimated Cost to Fix: $800 - $1,200+

3.6L V6

• No Known Issues Found

Transmission

4-Speed Automatic:

• Hesitation and Delay: The transmission may hesitate or delay when shifting gears, especially during acceleration. Solution: Service or overhaul the transmission. Estimated Cost to Fix: $1,500 - $2,500+

6-Speed Automatic:

• No Known Issues Found

Suspension

• Strut Mount Bearing Failure: The front strut mount bearings can fail, causing a knocking or clunking noise when driving over bumps. Solution: Replace the strut mount bearings. Estimated Cost to Fix: $200 - $400+
• Control Arm Bushing Wear: The control arm bushings can wear out, causing vibrations or a loose feeling in the steering. Solution: Replace the control arm bushings. Estimated Cost to Fix: $150 - $300+

Electrical

• Battery Drain: The battery may drain prematurely, even when the car is turned off. Solution: Inspect for battery or alternator issues, parasitic drains, and faulty wiring. Estimated Cost to Fix: Varies depending on the cause
• Headlight Malfunction: The headlights may malfunction, causing reduced visibility at night. Solution: Replace the faulty headlight bulbs or inspect wiring connections. Estimated Cost to Fix: $200 - $400+
• Infotainment Screen Failure: The touchscreen display may malfunction, becoming unresponsive or displaying incorrect information. Solution: Replace the infotainment screen or software. Estimated Cost to Fix: $500 - $1,000+

Exterior

• Trunk Lid Misalignment: The trunk lid may be misaligned, causing difficulty closing or opening properly. Solution: Adjust or realign the trunk lid and striker. Estimated Cost to Fix: $100 - $200+
• Fog Light Condensation: The fog lights may accumulate condensation, causing reduced visibility in foggy conditions. Solution: Replace the fog light housing or inspect for leaks. Estimated Cost to Fix: $150 - $300+

Interior

• Climate Control Malfunction: The climate control system may malfunction, causing inconsistent temperatures or improper air distribution. Solution: Inspect and diagnose the climate control system components, including the blend door actuator or temperature sensor. Estimated Cost to Fix: $200 - $500+
• Door Lock Malfunction: The power door locks may malfunction, causing difficulty locking or unlocking the doors. Solution: Replace the door lock actuator or inspect wiring connections. Estimated Cost to Fix: $150 - $300+

Summary

The 2007 Buick LaCrosse has a mixed reliability record. While it offers a comfortable and spacious cabin, some issues can affect the engine, transmission, and various components. The intake manifold gasket leak and timing chain tensioner failure can be significant and expensive repairs. The transmission hesitation and delay in the 4-speed automatic variant can be annoying, while other issues like electrical malfunctions and suspension wear may require maintenance or repairs. Potential buyers should be aware of these potential issues and factor in maintenance costs when considering the 2007 Buick LaCrosse.