KNOWN FAULT · Porsche

Shrill humming or clacking in the engine bay when selecting P, from the transmission oil cooler (Porsche Panamera from 2017)

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

Engine / equipment: Porsche Panamera (971 and YAA/YAB)
Period mentioned: 2017–2026 (US model years)
Symptoms: A shrill humming or clacking noise from the engine bay, usually with the car stationary when selecting P.
Possible cause described: The rubber mounts of the transmission oil cooler (oil-water heat exchanger) may be porous, worn, loose or missing, or the transmission fluid (ATF) lines may be loose. Porsche checks the mounting and replaces the rubber sleeves or repairs the lines (information 351/26).
Check for the garage: Ask the workshop to check the mounting of the transmission oil cooler and the ATF lines according to information 351/26.
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 check the mounting of the transmission oil cooler and the ATF lines according to information 351/26.

What are the symptoms?

A shrill humming or clacking noise from the engine bay, usually with the car stationary when selecting P.

Which cars and years does it affect?

Find garages near you and, before you say yes, check whether the quote is reasonable.

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