2013 CHEVROLET Impala LAF/LH8 (GMX52)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Ignition coil failures
• Water pump leaks
• Oil consumption on some LH8 engines

First checks

• Verify correct engine code for market
• Check oil level and condition during service
• Inspect timing chain noise on high-mileage examples

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 2013 Impala was largely sold in North America with limited availability in select export markets. Engine availability and specifications may vary according to emission regulations.
• The LLT 3.6L engine features direct injection and variable valve timing for improved fuel efficiency compared to the LH8 3.9L V6.