KNOWN FAULT · Porsche

Brief clacking after a cold start from the camshaft actuators, which is normal (Porsche Cayenne and Panamera 4.0 V8 from 2023)

Sources are not verified in real time and no entry confirms that your car is affected.

Engine / equipment: Porsche Cayenne (9YA/9YB) and Panamera (YAA/YAB) with the 4.0 V8 bi-turbo
Period mentioned: 2023–2028 (US model years)
Symptoms: A brief (1 to 2 seconds) clacking or rattling noise right after a cold engine start.
Possible cause described: It comes from the camshaft actuators while the engine oil is still cold and thick. Porsche rates it as normal and safe, and says replacing parts does not solve it (information 149/26).
Check for the garage: Ask the workshop to compare the noise with the Porsche video in information 149/26; if it matches, nothing needs to be replaced.
Cost cited in the source: No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Sources from the original database

Anonymous answer, no personal data.

How much does it cost to repair this fault?

No verified estimate; ask the garage for a quote.

A rough figure from the original database, not an up-to-date quote.

How is it checked?

Ask the workshop to compare the noise with the Porsche video in information 149/26; if it matches, nothing needs to be replaced.

What are the symptoms?

A brief (1 to 2 seconds) clacking or rattling noise right after a cold engine start.

Which cars and years does it affect?

Brands: Porsche
Engine / equipment: Porsche Cayenne (9YA/9YB) and Panamera (YAA/YAB) with the 4.0 V8 bi-turbo
Period mentioned: 2023–2028 (US model years)

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