In February 2017, Subaru filed a statutory recall with Japan's Ministry of Land, Infrastructure, Transport and Tourism (MLIT) concerning the Other (control device), covering the Impreza. The filing affects 313 vehicles manufactured between November 2016 and November 11, 2016.
Overview
| MLIT filing number | 1139760 |
|---|---|
| Type | Statutory Recall (government-mandated recall) |
| Date filed | February 2, 2017 |
| Manufacturer(s) | Subaru |
| Component | Other (control device) |
| Production period | November 2016 — November 11, 2016 |
| Vehicles affected | 313 units |
Filing in context
The Other (control device) is the most frequently cited component category in this archive, appearing in 5 of its 4,890 filings. This filing is one of 16 Subaru notifications from 2017 in this archive. For scale, 3,372 of the 4,890 filings in this archive report a larger number of affected vehicles.
Defect
In the vacuum pump of the brake booster, an incorrect manufacturing process has left foreign matter inside the pump on some units. The foreign matter may block the lubrication oil passage, causing inadequate lubrication and internal pump damage. This results in loss of vacuum assist function. When braking at high altitude or similar conditions, normal pedal effort may be insufficient to achieve effective braking. In addition, components damaged inside the pump may enter the engine and cause engine damage.
Corrective action
On all vehicles, the vacuum pump serial number is verified, and units identified as affected are replaced with non-defective parts.
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 |
|---|---|---|
| DBA-GK6 | IMPREZA | GK6-002082 — GK6-002151 |
| DBA-GK7 | IMPREZA | GK7-002306 — GK7-002489 |
| DBA-GT6 | IMPREZA | GT6-002390 — GT6-002515 |
| DBA-GT7 | IMPREZA | GT7-003373 — GT7-003663 |
Original Japanese (MLIT source text)
Show the original Japanese filing text
状況
制動倍力装置のバキュームポンプにおいて、当該ポンプの製造が不適切なため、ポンプ内部に異物が残留しているものがある。そのため、異物により潤滑用油路が塞がれると、潤滑不良となりポンプ内部が破損し、負圧補助機能が失われ、高地等でブレーキを掛ける際、通常の踏力ではブレーキの効きが悪くなるおそれがある。また、ポンプ内部で破損した部品がエンジン内部に入り、エンジンが損傷するおそれがある。
改善措置
全車両、バキュームポンプの製造番号を確認し、該当する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=3003946
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