Porsche Cayenne air suspension compressor failure
Vehicle drops to bump stops overnight or after parking. Air suspension warning on the instrument cluster. The Porsche Cayenne Mk1 and Mk2 air suspension compressor has a finite service life. The compressor motor and valve block both fail with age. Replacement compressors are available from Arnott, Dunlop, and other aftermarket suppliers at significantly lower cost than the Porsche dealer price. Inspect all air lines and air bags for leaks before replacing the compressor.
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