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RecallGazette

Vehicle problems, recalls & safety intelligence

Buick Cascada 2013–2025technical service bulletin

Bulletin 25-NA-052 · NHTSA communication 11017263 · issued Mar 25, 2025

Technical service bulletin
communication type
Engine
component
2013–2025
model years
60
vehicle entries

Official summary

This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.