Japan
Published 29 Jun 2005
Ref JP-1114670
Mitsubishi: Clutch
Translated from Japanese · machine translation
- Country
- Japan
- Published
- 29 Jun 2005
- Units affected
- 22269
- Reference
- JP-1114670
Affected vehicles
Mitsubishi KC-FP510DKR 1994–2005
Mitsubishi KC-FP510DR 1994–2005
Mitsubishi KC-FP510GR 1994–2005
Mitsubishi KC-FP511DKR 1994–2005
Mitsubishi KC-FP511DR 1994–2005
Mitsubishi KC-FP511GR 1994–2005
Mitsubishi KC-FP512DKR 1994–2005
Mitsubishi KC-FP512DR 1994–2005
Mitsubishi KC-FS410T 1994–2005
Mitsubishi KC-FS410TZ 1994–2005
Mitsubishi KC-FS410U 1994–2005
Mitsubishi KC-FT410T 1994–2005
Mitsubishi KC-FT410V 1994–2005
Mitsubishi KC-FT410VZ 1994–2005
Mitsubishi KC-FT410WZ 1994–2005
Mitsubishi KC-FU410S 1994–2005
Mitsubishi KC-FU410SZ 1994–2005
Mitsubishi KC-FU410T 1994–2005
Mitsubishi KC-FU410TZ 1994–2005
Mitsubishi KC-FU410U 1994–2005
Mitsubishi KC-FU410UZ 1994–2005
Mitsubishi KC-FU410YZ 1994–2005
Mitsubishi KC-FU440U 1994–2005
Mitsubishi KC-FV410T 1994–2005
Mitsubishi KC-FV410TZ 1994–2005
Mitsubishi KC-FV412JD 1994–2005
Mitsubishi KC-FV412P 1994–2005
Mitsubishi KC-FV412PP 1994–2005
Mitsubishi KC-FV412PZ 1994–2005
Mitsubishi KC-FV412RZ 1994–2005
Mitsubishi KC-FV412T 1994–2005
Mitsubishi KC-FV412TZ 1994–2005
Hazard
Improper machining of the key groove in the clutch release fork creates a stress concentration structure with insufficient strength in some units. Repeated clutch operation causes cracks to develop in the fork. Continued operation in this condition may result in fork fracture, rendering the transmission inoperable when the clutch is engaged, leading to loss of vehicle mobility. Additionally, cracks and similar failure modes may occur when improper maintenance practices, such as use of incorrect grease, coincide with the structural weakness.
Show original (日本語)
クラッチレリーズフォークのキー溝の加工が不適切なため、応力が集中する構造となっており、強度不足のものがある。そのため、クラッチ操作を繰り返すと当該フォークに亀裂が発生し、そのままの状態で使用を続けると、最悪の場合、当該フォークが破損し、クラッチを操作しても変速不能となり、走行不能となるおそれがある。また、不適切なグリスを使用するなどの整備状況が重なると、亀裂が発生し同様の事象がおきることがある。
Remedy
Replace the complete fork assembly with the corrective part on all vehicles. Additionally, disseminate information regarding inspection and maintenance procedures for the affected fork and alert users to this issue.
Show original (日本語)
全車両、フォーク一式を対策品と交換する。 なお、当該フォークの点検整備内容を周知し、ユーザーの注意を喚起する。