Overview
| MLIT filing number | 1139140 |
|---|---|
| Type | Statutory Recall (government-mandated recall) |
| Date filed | October 28, 2016 |
| Manufacturer(s) | Isuzu |
| Component | Service brake (general) |
| Production period | February 2016 — February 17, 2016 |
| Vehicles affected | 35 units |
Defect
On brakes for heavy-duty buses, improper heat treatment of the expander wedges results in insufficient hardness. Repeated brake applications cause the wedges to wear and braking force to change. In the worst case, the wedges may be damaged and wheel braking may be lost.
Corrective action
On all vehicles, inspect the serial number of the affected expander and replace any identified unit with a good part.
Affected models & chassis ranges
This filing lists 4 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 |
|---|---|---|
| LDG-RU8JHBJ | GALA | RU1ASC-61136 — RU1ASC-61187 |
| QRG-RU1ESBJ | GALA | RU1ASC-61136 — RU1ASC-61187 |
| QTG-RU1ASCJ | GALA | RU1ASC-61136 — RU1ASC-61187 |
| SDG-RU8JHBJ | GALA | RU1ASC-61136 — RU1ASC-61187 |
Original Japanese (MLIT source text)
Show the original Japanese filing text
状況
大型バスのブレーキにおいて、エキスパンダのウェッジの熱処理が不適切なため、硬度が不足しているものがある。そのため、制動を繰り返すことでウェッジが摩耗し制動力が変化し、最悪の場合、ウェッジが損傷し、車輪の制動ができなくなるおそれがある。
改善措置
全車両、当該エキスパンダの製造番号を点検し、対象のものは良品と交換する。
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=3003882