In December 2014, Mitsubishi & UD Trucks filed a statutory recall with Japan's Ministry of Land, Infrastructure, Transport and Tourism (MLIT) concerning the Engine (General), covering the Aero ACE, Aero Queen and 2 more models. The filing affects 2,129 vehicles manufactured between August 30, 2010 and September 18, 2014.
Overview
| MLIT filing number | 1134780 |
|---|---|
| Type | Statutory Recall (government-mandated recall) |
| Date filed | December 2, 2014 |
| Manufacturer(s) | Mitsubishi, UD Trucks |
| Component | Engine (General) |
| Production period | August 30, 2010 — September 18, 2014 |
| Vehicles affected | 2,129 units |
Filing in context
This notification is a joint filing by 2 manufacturers: Mitsubishi & UD Trucks.
The Engine (General) is the most frequently cited component category in this archive, appearing in 48 of its 4,890 filings. This filing is one of 56 Mitsubishi notifications from 2014 in this archive. For scale, 2,378 of the 4,890 filings in this archive report a larger number of affected vehicles; the vehicles involved here were manufactured over a span of about 4 years.
Defect
The manufacturing instructions for the idler pulley bearing on the fan belt drive of large buses are inadequate, allowing the bearing to be deformed during assembly. Continued operation in this condition causes abnormal noise and seizure in the bearing. In the worst case, the fan belt breaks and the engine overheats.
Corrective action
On all vehicles, replace the idler pulley and pulley bracket assembly with corrected parts.
Affected models & chassis ranges
This filing lists 3 type code(s). A vehicle is affected if its chassis number falls within one of the ranges below.
| Type code (型式) | Model | Chassis ranges |
|---|---|---|
| LKG-AS96VP | スペースアロー Ａ | AS96VP-20001 — AS96VP-20016; AS96VP-20005 — AS96VP-20017 |
| LKG-MS96VP | ふそうエアロエース | MS96VP-20012 — MS96VP-20571; MS96VP-20001 — MS96VP-20556 |
| QRG-MS96VP | ふそうエアロエース | MS96VP-20002 — MS96VP-24442; MS96VP-20586 — MS96VP-24397 |
Original Japanese (MLIT source text)
Show the original Japanese filing text
状況
大型バスのファンベルト用アイドラプーリーベアリング部の製造指示が不適切なため、製造時にベアリングが変形して組み付けられることがある。そのため、そのままの状態で使用を続けると、ベアリングに異音や焼付きが発生し、最悪の場合、ファンベルトが切れてオーバーヒートに至るおそれがある。
改善措置
全車両、アイドラプーリーおよびプーリーブラケット一式を対策品に交換する。
Source & verification
This entry reproduces public data from Japan's MLIT recall registry. English text is jdmvin.com's own translation; always verify against the official source:
https://renrakuda.mlit.go.jp/renrakuda/ris-detail-car.html?class=recalldatacar&id=3003417
Related recalls
Same manufacturer, same component
Other Mitsubishi filings involving the Engine (General), closest to this one by filing date.
Engine (General) — affects 20,328 vehicles.
Open recall detail →Engine (General) — affects 1,542 vehicles.
Open recall detail →Engine (General) — affects 2 vehicles.
Open recall detail →Engine (General) — affects 1,808 vehicles.
Open recall detail →Engine (General) — affects 40,316 vehicles.
Open recall detail →Other recalls affecting the same models
Filings whose affected type codes overlap with this one, newest first.
Rearview Mirror — affects 1,121 vehicles.
Open recall detail →Rearview Mirror — affects 3,024 vehicles.
Open recall detail →Other (body/frame) — affects 4,542 vehicles.
Open recall detail →Lubrication system — affects 18,200 vehicles.
Open recall detail →Engine Assembly — affects 22,082 vehicles.
Open recall detail →All Mitsubishi recalls · All UD Trucks recalls · All 2014 recalls · Recall Archive home