2018 CHEVROLET Impala LFV/LZE (W-body)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Minor issues with electronic throttle control
• Occasional transmission hesitation in higher mileage vehicles

First checks

• Oil level and condition
• Transmission fluid status
• Brake system fluid and wear

Vor dem Teiletausch

• Save fault codes and freeze-frame data before clearing anything.
• Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
• Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

• The 2018 Impala was primarily sold in North America; availability in other markets was very limited or through gray imports.
• Engine options and specifications may vary slightly by market and production month.