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UD Trucks, Isuzu — recall

Automotive · Japan · 2026-05-14
Origin: 日本

UD Trucks Quon, Isuzu Giga variable displacement oil pump stator material durability insufficient

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CountryJapan
CategoryAutomotive
Published2026-05-14
Country of origin日本
ManufacturerUD Trucks Corporation
Models affectedQuon, Giga
Units affected1634
DefectIn the variable displacement oil pump, due to insufficient durability verification of the material used for the stator (fixed part) of the variable section, repeated hydraulic pressure control according to driving conditions may cause damage and wear to the stator sliding surface of the housing cover. As a result, if use continues in this state, proper oil pressure cannot be maintained, leading to the display of an 'engine oil pressure low' warning message and the illumination of a warning light on the instrument cluster, along with restricted engine output. Furthermore, if driving continues …
ComponentEngine (Oil Pump)
RemedyFor all affected vehicles, replace the oil pump with an improved part and modify the oil passage to the oil control valve.
Recall number5816
Official noticeView source ↗

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