MajorCommonSuspension

Porsche Cayenne: Air suspension leaks and compressor wear on the third generation

Air suspension leaks and compressor wear on the third generation is a common suspension fault on the Porsche Cayenne on the 2019–2024 cars, and we rate it major. Putting it right costs $2,500 to $9,000 at New Zealand independent workshop rates. Below is what goes wrong, the symptoms to notice on a test drive, where to look, and what to ask the seller before you hand over any money. It is one of 23 documented faults on the Porsche Cayenne.

Vehicle: Porsche Cayenne
Years: 2019–2024
System: Suspension

This page covers the Porsche Cayenne as a model. Some faults only affect particular engines or build years — enter a plate below to narrow the list to one car.

All Porsche Cayenne faults23 documented faults on this model

What you are looking at

No photograph available

We do not hold a verified photograph of the Air suspension strut yet. We would rather show none than show a picture of a different part.

What goes wrong

Cayennes fitted with air suspension develop the usual problems as they age: an air spring perishes and leaks, the corner settles overnight, and the compressor then runs long and hard trying to hold the car level, which is how one leaking spring turns into a compressor as well. On a car of this value the parts are expensive and are usually replaced in pairs. It is worth separating from the coolant fault above, because both can put a warning on the dash and only one of them is about the ride height. A Cayenne that sits level after a night parked and rises smoothly through its height settings is telling you a lot for free.

What you would notice

One corner, or the whole car, low after standing overnight
Compressor running for a long time after start-up
Suspension or ride-height warning message
Hissing from near a wheel with the car parked
Ride that has become harsh or uneven on one side

How to check it

Where to look. Air springs at all four corners, compressor and valve block, ride-height sensors

See the car before it has been started for the day if you possibly can, and compare the gap between tyre and arch at all four corners — a corner that has settled overnight and then rises when the engine starts is the whole diagnosis. If you cannot, ask the seller to leave it parked for the hours before you arrive. Stand beside each wheel with the car quiet and listen for a hiss. Start it and listen for a compressor that keeps running rather than stopping. Cycle the ride height through its settings and watch each corner move. Drive it over a rough surface and note any corner that crashes. If a workshop inspection is possible: ask for the air system to be leak-tested and the suspension fault memory read.

Parts involved: Air suspension strut.

What it costs to put right

$2,500 to $9,000 at New Zealand independent workshop rates. That is for this job on its own, not for the car.

An estimate, in NZD, for the repair as normally carried out. What a specific car costs depends on which part has failed and what it damaged on the way — treat this as the floor for a negotiation, not a quote.

Ask the seller

“Does it sit level after standing overnight?”
“Have any air springs or the compressor been replaced?”
“Is there any suspension warning?”

Now check the Porsche Cayenne you are actually looking at

Everything above is true of the model, and it is free. What it does not tell you is whether THIS car has been looked after: its odometer history and whether the reading has ever gone backwards, whether there is still money owing on it, whether it has been reported stolen, how many owners it has had and what it is really worth today. That comes from the official records for that plate. Enter the plate for the free details, or get the full history and a market valuation from $13.49.

Not sure what you would be paying for? See what a full KickTyres check includes.

Where this comes from

The failure described above is documented in the sources below. The inspection instructions and the cost estimate are KickTyres’ own interpretation of them.

StuttCars — 'Porsche Cayenne: frequent problems and recommended solutions'
What-Breaks — 'Porsche Cayenne 9YA: all engines, problems and buying guide (2018-2024)'

Porsche Cayenne buyer questions

Is air suspension leaks and compressor wear on the third generation serious on a Porsche Cayenne?

We rate it major and common on the Porsche Cayenne. Cayennes fitted with air suspension develop the usual problems as they age: an air spring perishes and leaks, the corner settles overnight, and the compressor then runs long and hard trying to hold the car level, which is how one leaking spring turns into a compressor as well. On a car of this value the parts are expensive and are usually replaced in pairs. It is worth separating from the coolant fault above, because both can put a warning on the dash and only one of them is about the ride height. A Cayenne that sits level after a night parked and rises smoothly through its height settings is telling you a lot for free.

How much does it cost to fix on a Porsche Cayenne?

$2,500 to $9,000 at New Zealand independent workshop rates. That figure is for this job on its own. A car showing the symptoms on this page is usually worth either walking away from or negotiating down by at least the repair figure.

Which Porsche Cayenne years are affected?

Our research records this fault on the 2019–2024 Porsche Cayenne. Build dates move around, especially on imported cars, so treat the range as the years to look hardest at rather than a guarantee either way. The official records tell you the exact build and first registration date for the car in front of you.