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Published 24 Nov 2005 Ref JP-1115640

Honda: Continuously Variable Transmission

Translated from Japanese · machine translation

Country
Japan
Published
24 Nov 2005
Units affected
98768
Reference
JP-1115640

Affected vehicles

Honda Odyssey 2003–2005 Honda Stream 2003–2005

Hazard

Due to improper programming in the electronic control unit for the continuously variable transmission, the oil pump supplying hydraulic pressure to the CVT may produce excessively high supply pressure at low engine speeds, causing accelerated wear of the oil pump vane sliding surfaces. Continued operation under this condition can result in abnormal vane wear, inability to maintain proper hydraulic pressure, and in the worst case, oil pump failure leading to loss of vehicle propulsion.
Show original (日本語)
無段変速機用電子制御装置のプログラムが不適切なため、無段変速機へ油圧を供給するオイルポンプが低回転時に供給油圧が高くなる場合があり、オイルポンプベーン(羽根)摺動部が早期に磨耗するものがある。そのため、そのまま使用を続けると、ベーンが異常磨耗し、適切な油圧が確保できなくなり、最悪の場合、オイルポンプが破損して走行不能となるおそれがある。

Remedy

Reprogram the electronic control unit for the continuously variable transmission with updated software on all vehicles and replace the transmission fluid with high wear-resistant oil. Additionally, inspect the CVT control oil pressure sensor output values; replace the continuously variable transmission with a new unit if inspection readings fall outside specification.
Show original (日本語)
全車両、無段変速機用電子制御装置のプログラムを対策した内容に書換えるとともに、耐磨耗性の良いミッションオイルに交換する。また、無段変速機の制御油圧センサ出力値を点検し、点検基準を外れるものは無段変速機を新品と交換する。

Official source

View the official recall notice