2012 Acura TSX K24Z3 (CU2)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Premature brake rotor wear
• Suspension bushing wear

First checks

• Verify service history for timing chain rattles
• Inspect for oil leaks at valve cover gasket

Before replacing parts

• 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 2012 Acura TSX was primarily sold in North America with this engine configuration.
• European markets had a diesel variant, but not widely documented globally; this profile focuses on gasoline versions.