2002 Acura CL H23A1/J32A1 (UA1/UA2)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Timing belt wear and potential failure if not replaced on time
• Throttle body carbon buildup causing rough idle

First checks

• Inspect timing belt condition and replacement history
• Check for coolant leaks around the radiator and hoses
• Assess automatic transmission shifting smoothness

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

• 2002 was the last production year for the first generation CL before the 2003 second generation launch.
• H23A1 4-cylinder was more common in base trims; Type-S offered the J32A1 V6.
• Market mainly North America; other markets may have limited availability or differ slightly.