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ポルシェ Aba-970M48A, 不明. Published by MLIT as 1235690 on 20 February 2023. Part: エンジン一般.

What the notice says 原動機のカムシャフト・コントローラにおいて、カムギヤを固定しているボルトのボルトヘッド厚みの設計値が不適切なため、締め付け時に当該ボルトが損傷しているものがある。そのため、カムギヤの固定が緩むことで異音や点火タイミングずれによるエンジン不調が発生し、そのままの状態で使用を続けると、最悪の場合、カムギヤの固定が外れてエンストして再始動不能となるおそれがある。

Is your vehicle included? Check with your VIN at MLIT, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.

Notification number
1235690
Notified
20 February 2023
Make
Porsche(ポルシェ)
Sold as
パナメーラ S、パナメーラ 4S、PANAMERA、CAYENNE
Model codes
ABA-970M48A, 不明
Part at fault
エンジン一般
Vehicles covered
144
Filed as
Recall, imported vehicle
Register
Japan — Ministry of Land, Infrastructure, Transport and Tourism

What the ministry says is wrong

原動機のカムシャフト・コントローラにおいて、カムギヤを固定しているボルトのボルトヘッド厚みの設計値が不適切なため、締め付け時に当該ボルトが損傷しているものがある。そのため、カムギヤの固定が緩むことで異音や点火タイミングずれによるエンジン不調が発生し、そのままの状態で使用を続けると、最悪の場合、カムギヤの固定が外れてエンストして再始動不能となるおそれがある。

What is to be done about it

全車両、カムシャフト・コントローラのっかむぎや固定ボルトを対策品に交換する。ボルトに緩みが発生している場合には、当該カムシャフト・コントローラを対策品に交換する。ボルトの破断が発生している場合には、エンジン内部を点検し、必要な修理を行う。

The two passages above are quoted in Japanese because that is the language the ministry published them in. This site keeps the wording a register had when it was read, and does not translate a safety notice.

Source: Ministry of Land, Infrastructure, Transport and Tourism website (出典:国土交通省ウェブサイト), used under the Public Data License 1.0. This site gathered the record, grouped it by notification number and set it in English around the ministry's own words; the notice itself is unaltered. CarsMultiverse is not the ministry and not a safety authority. To act on this notice, use the ministry's own document.

The Japanese register on this site

ポルシェ elsewhere in this register

ポルシェ is named on 133 notices in the copy of MLIT’s register held here, of which these are the nearest to this one in time.

The same part: エンジン一般

142 notices in this register name エンジン一般. A defect that keeps returning under one heading is worth reading as a group rather than one notice at a time.

Reading this against the source

This page is what MLIT published in the recall notices it publishes, kept as it was read. The authority publishes only its current wording; if a notice is rewritten, the earlier version disappears there and is kept here. The whole register is at /japan, and how the reading is done is set out in the method.

This register keeps an index of its own for every maker and every year it holds: Japanese recalls on a Porsche: 135 in the register, and 398 Japanese vehicle recall notifications filed in 2023.

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