2017 CADILLAC XTS LF1/LFW (GMX349)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Premature wear on front suspension components
• Intermittent electronic issues with infotainment system

First checks

• Check for oil leaks around valve cover gaskets
• Inspect transmission fluid condition and level

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

• Production of Cadillac XTS ended after 2019 model year, with 2017 representing a mature model year with few changes.
• China market XTS mostly offered with naturally aspirated engine; V-Sport and North American trims used different tuning.