Cadillac CTS air conditioning and heating failure with frequent ball joint and light bulb replacements on Cadillac CTS

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Cadillac CTS owners report experiencing air conditioning and heating issues, including common problems such as compressor failure, blower motor malfunctions, evaporator leaks, and condenser fan issues. A broken compressor is particularly problematic, as it cannot be repaired, necessitating a complete replacement. Additionally, electrical problems may hinder the air conditioning system's performance, so it's crucial to diagnose these issues promptly. Some owners also find that their air vents blow only hot air due to a dirty or clogged condenser, while a lack of refrigerant can prevent the AC from blowing cold air, as the compressor may not engage without proper refrigerant pressure. Furthermore, while not specifically mentioned, Cadillac CTS owners may face frequent ball joint and light bulb replacements, underscoring the importance of regular maintenance and inspections to ensure safe driving and optimal vehicle performance.

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