In February 2018, UD Trucks filed a statutory recall with Japan's Ministry of Land, Infrastructure, Transport and Tourism (MLIT) concerning the Steering linkage, covering the Quon. The filing affects 1,135 vehicles manufactured between April 28, 2017 and February 16, 2018.
Overview
| MLIT filing number | 1142023 |
|---|---|
| Type | Statutory Recall (government-mandated recall) |
| Date filed | February 22, 2018 |
| Manufacturer(s) | UD Trucks |
| Component | Steering linkage |
| Production period | April 28, 2017 — February 16, 2018 |
| Vehicles affected | 1,135 units |
Filing in context
The Steering linkage is the most frequently cited component category in this archive, appearing in 22 of its 4,890 filings. This filing is one of 35 UD Trucks notifications from 2018 in this archive. For scale, 2,723 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 9 months.
Defect
On large trucks, the pre-plating acid-wash treatment applied to the clamping bolts of the front-front axle right-side tie rod end fixing clamps was performed incorrectly, causing hydrogen embrittlement that reduces bolt strength. Continued use in this condition can cause the bolts to fracture, introducing play at the tie rod end joint. In the worst case, the tie rod tube may break, resulting in loss of steering control.
Corrective action
On all vehicles, replace the front-front axle right-side tie rod end fixing clamp bolts and nuts with corrected parts. If the bolts or nuts are damaged or missing, replace the tie rod as a complete assembly.
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 |
|---|---|---|
| 2PG-CG5BA | QUON | JNCMB02G9HU025953 — JNCMB02G0JU028424 |
| 2PG-CG5CA | QUON | JNCMB02G3HU017251 — JNCMB02GXJU030763 |
| 2PG-CG5CL | QUON | JNCMB02G2HU025633 — JNCMBP0G6JU028908 |
Original Japanese (MLIT source text)
Show the original Japanese filing text
状況
大型トラックにおいて前前軸右側タイロッドエンドの固定クランプ締付けボルトのメッキ前処理（酸洗い）工程が不適切なため、水素脆化によりボルトの強度が低下しているものがある。そのため、そのままの状態で使用を続けると、ボルトが破断してタイロッドエンド部にガタが生じ、最悪の場合、タイロッドチューブが破損して、操舵不能になるおそれがある。
改善措置
全車両、前前軸右側タイロッドエンドの固定クランプボルト／ナットを対策品と交換する。なお、ボルト／ナットが損傷または脱落している場合には、タイロッドをアッセンブリで交換する。
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=3004196
Related recalls
Same manufacturer, same component
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Open recall detail →All UD Trucks recalls · All 2018 recalls · Recall Archive home