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Renault 7AA-LJLH4MH — recall

Automotive · Japan · 2026-05-28

Renault, engine coolant impurities may block heater core, affecting heating/defrosting

Country	Japan
Category	Automotive
Published	2026-05-28
Manufacturer	Renault
Models affected	7AA-LJLH4MH
Units affected	1972
Defect	Regarding the engine coolant, due to improper work instructions during coolant purification, impurities may form in the coolant passages, potentially causing blockages inside the heater core used for cabin heating. Consequently, if use is continued as is, the heated coolant may have difficulty flowing, and in the worst case, heating and defroster functions may deteriorate.
Component	Other (Other)
Recall type	Vehicle
Remedy	For all affected vehicles, the coolant will be replaced with a good quality product. Additionally, the heating function will be inspected, and if the air temperature from the vents is not sufficiently warm, the heater core will be cleaned or replaced.
Recall number	外-41920
Official notice	View source ↗

What this means for sellers

Likely platform / channel actions	OEMs/dealers will run the remedy (repair, replace or refund); component suppliers in the chain may face traceback.
Self-check for comparable products	Check your comparable products' design, materials and QC records against the defect described here.
Rules & standards likely involved	the destination market's product-safety rules and mandatory standards

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