2015 BUICK Regal LFX/LF2 (Type EA)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Timing chain stretch on 2.0L turbo reported in higher mileage units
• Water pump noise occasionally reported

First checks

• Inspect for oil leaks around valve covers
• Check timing chain condition particularly for 2.0L turbo
• Verify transmission shifts smoothly

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

• 2015 model corresponds to the third generation Regal sharing platform with Opel Insignia.
• Engine and market availability vary: 2.4L usually base engine in North America, 2.0L turbo and 3.6L V6 in premium trims.
• China market Regal often features turbocharged engines; US market does not have manual in 2015 except limited variants.