2018 Chevrolet Impala
Introduction
The 2018 Chevrolet Impala is a full-size sedan powered by a 3.6L V6 engine producing 305 horsepower and 264 lb-ft of torque. It boasts a comfortable interior, a spacious trunk, and a user-friendly infotainment system. However, the Impala has received mixed reviews from owners, with some expressing frustrations with reliability issues.
Engine
3.6L V6
- Intake Manifold Gasket Failure:
- Description/Symptoms: Coolant leaks, engine overheating, reduced power
- Solution: Replace intake manifold gasket
- Estimated Cost to Fix: $500 - $1,000+
- Crankshaft Sensor Failure:
- Description/Symptoms: No-starts, engine stalls, misfiring
- Solution: Replace crankshaft sensor
- Estimated Cost to Fix: $200 - $500
- Exhaust Manifold Bolt Failure:
- Description/Symptoms: Exhaust leaks, rattling noise
- Solution: Replace exhaust manifold bolts
- Estimated Cost to Fix: $200 - $400
- Fuel Injector Failure:
- Description/Symptoms: Engine misfires, rough idling, poor fuel economy
- Solution: Replace fuel injectors
- Estimated Cost to Fix: $300 - $600 per injector
- Intake Manifold Gasket Failure:
Transmission
8-Speed Automatic
- Torque Converter Shudder:
- Description/Symptoms: Shuddering when accelerating or shifting gears
- Solution: Replace torque converter
- Estimated Cost to Fix: $1,000 - $2,000+
- Shift Solenoid Malfunction:
- Description/Symptoms: Erratic shifting, slipping gears
- Solution: Replace shift solenoid
- Estimated Cost to Fix: $300 - $600
- Transmission Control Module Failure:
- Description/Symptoms: No gears, flashing check engine light
- Solution: Replace transmission control module
- Estimated Cost to Fix: $500 - $1,500
- Torque Converter Shudder:
Suspension
- Front Lower Control Arm Bushing Failure:
- Description/Symptoms: Clunking or rattling noises while driving over bumps
- Solution: Replace control arm bushings
- Estimated Cost to Fix: $200 - $400
- Rear Shock Absorber Failure:
- Description/Symptoms: Poor ride quality, excessive body roll
- Solution: Replace shock absorbers
- Estimated Cost to Fix: $300 - $600
Electrical
- BCM Failure:
- Description/Symptoms: Various electrical issues, including power window failure, lighting issues, and instrument cluster malfunctions
- Solution: Replace BCM
- Estimated Cost to Fix: $500 - $1,500
- Battery Drain:
- Description/Symptoms: Battery drains overnight
- Solution: Test and replace faulty components causing the drain
- Estimated Cost to Fix: $100 - $500+
Exterior
- Headlight Moisture Problems:
- Description/Symptoms: Moisture or condensation inside the headlights
- Solution: Seal or replace headlights
- Estimated Cost to Fix: $100 - $500
Interior
- Climate Control Malfunction:
- Description/Symptoms: A/C or heat not working properly
- Solution: Replace climate control module or actuators
- Estimated Cost to Fix: $300 - $1,000
- Dashboard Rattles:
- Description/Symptoms: Rattling or squeaking noises coming from the dashboard
- Solution: Identify and tighten loose panels or components
- Estimated Cost to Fix: $100 - $300
Summary
While the 2018 Chevrolet Impala has some appealing features, it has also experienced several reliability issues. Common problems include intake manifold gasket failure, transmission shudder, electrical issues, and suspension problems. The severity and cost of these issues can vary, but they can affect the overall satisfaction and ownership experience of the vehicle.