In October 2004, Mitsubishi filed a statutory recall with Japan's Ministry of Land, Infrastructure, Transport and Tourism (MLIT) concerning the Parking Brake (General), covering the Aero Queen and 1 more model. The filing affects 2,917 vehicles manufactured between December 11, 1992 and July 15, 1998.
Overview
| MLIT filing number | 1112590 |
|---|---|
| Type | Statutory Recall (government-mandated recall) |
| Date filed | October 7, 2004 |
| Manufacturer(s) | Mitsubishi |
| Component | Parking Brake (General) |
| Production period | December 11, 1992 — July 15, 1998 |
| Vehicles affected | 2,917 units |
Filing in context
The Parking Brake (General) is the most frequently cited component category in this archive, appearing in 16 of its 4,890 filings. This filing is one of 150 Mitsubishi notifications from 2004 in this archive. For scale, 2,227 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 5 years and 7 months.
Defect
On vehicles equipped with spring-type parking brakes, the internal dimensions of the spring chamber and the spring seat geometry are incorrect. When the spring is compressed to release the parking brake, the springs contact each other or contact the chamber body, causing the spring coating to peel and rust to form. Continued operation in this condition may cause the spring to fracture. In the worst case, the fractured spring reduces parking brake effectiveness, or the fractured spring end damages the diaphragm, causing an air leak that prevents the parking brake from releasing.
Corrective action
On all vehicles, replace the brake chamber as an assembly with a corrected part. In addition, affix a sticker to the maintenance booklet of each affected vehicle indicating that the spring must be inspected every two years.
Affected models & chassis ranges
This filing lists 9 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 |
|---|---|---|
| KC-FR415J | フソウ | FR415J-550018 — FR415J-550019 |
| KC-MS822P | Aero Queen | MS822P-14003 — MS822P-34031 |
| KC-MS829M | Aero Queen | MS829M-14001 — MS829M-34003 |
| KC-MS829P | Aero Queen | MS829P-14004 — MS829P-44015 |
| U-FU411S | フソウ | FU411S-540056 — FU411S-540058 |
| U-FU418N | フソウ | FU418N-550089 |
| U-MS821P | Aero Queen | MS821P-10002 — MS821P30025 |
| U-MS826M | Aero Queen | MS826M-10005 |
| U-MS826P | Aero Queen | MS826P-10003 — MS826P-40009 |
Original Japanese (MLIT source text)
Show the original Japanese filing text
状況
スプリング式駐車ブレーキ装着車において、スプリングを格納している容器（チャンバー） 内部の寸法ならびにスプリングの台座形状が不適切なため、スプリング圧縮（駐車ブレー キ開放）時にスプリング同士又はスプリングとチャンバー本体が干渉し、スプリングの塗 装が剥がれ、錆びが発生するものがある。そのため、そのままの状態で使用を続けると、 最悪の場合、当該部分でスプリングが折損し、駐車ブレーキの効きが悪くなる、又は折損 したスプリング端部でダイアフラムが損傷すると、エア洩れが発生し、駐車ブレーキが解 除できなくなるおそれがある。
改善措置
全車両、ブレーキチャンバーをアッセンブリで対策品と交換する。また、対象車のメンテ ナンスノート・整備手帳に、当該スプリングを２年毎に点検する旨のシールを追加する。
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=3000924
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Other Mitsubishi filings involving the Parking Brake (General), closest to this one by filing date.
Parking Brake (General) — affects 1,198 vehicles.
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