Cadillac XT5 intermittent cooling issue on Cadillac XT5

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

Problem overview

Some Cadillac XT5 owners report experiencing intermittent cooling issues, which may stem from several factors. Many have noted problems with the cooling system, particularly in the 2017 models, where thermostat replacement is often necessary. Additionally, some owners have complained about weak HVAC systems that function intermittently, with fans requiring specific temperature settings to operate properly. Common causes for inadequate AC cooling include low refrigerant levels, compressor malfunctions, clogged filters, dirty coils, sluggish blower motors, and faulty fuses or relays. Insufficient refrigerant is frequently cited as a culprit for poor cooling performance. Other reported issues include excessively running cooling fans, malfunctioning electric systems, and sluggish acceleration. In some instances, owners have found that system resets or shutdowns can resolve intermittent cooling problems, suggesting potential system glitches. It is recommended that affected owners have their cooling and HVAC systems thoroughly inspected by a qualified technician to identify and address the underlying issues.

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