Lexus GS450h oil leak due to disconnected oil cooler rubber pipe, potential manufacturer defect on Lexus GS450h

Some Lexus GS450h owners report experiencing oil leaks due to a disconnected oil cooler rubber pipe, which may indicate a potential manufacturer defect. This issue has been identified as common, with reports of significant oil loss occurring rapidly as a result of these leaks. The root cause has been traced to a defective oil cooler pipe, raising concerns among Lexus owners. In response, the manufacturer has acknowledged the problem by changing the material of the pipe from rubber to metal. While affected owners have had the faulty part replaced under warranty, some have expressed dissatisfaction with Lexus's handling of the situation, suggesting challenges in the resolution process. Overall, the oil leak issue in Lexus GS450h vehicles highlights a potential manufacturer defect that has prompted warranty repairs but has also led to concerns regarding customer support.