9Y0 common problems and failures
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Joined: Jul 2008
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From: FL | Vegas
2021 GTS ~7K miles. 1 month before warranty expiration popped an engine light. During and oil change I saw a VERY tiny drop of oil on the head of an oil pan bolt.
- Faulty thermostat
- Leaking oil cooler
Dealer had to remove from bumper and radiator to access t-stat. (fender trims had to be replaced) Turbo removal to access oil cooler. The oil leak was large enough to run down the engine and collect at the oil pan.
Typical VW/Audi. I wish Porsche would make their own V8s again. Anyone else see these issues?
- Faulty thermostat
- Leaking oil cooler
Dealer had to remove from bumper and radiator to access t-stat. (fender trims had to be replaced) Turbo removal to access oil cooler. The oil leak was large enough to run down the engine and collect at the oil pan.
Typical VW/Audi. I wish Porsche would make their own V8s again. Anyone else see these issues?
Thread Starter
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From: linker Fahrbahn
Thermostat (and water pump and coolant shutoff valve) are somewhat common.
V8 requires front end disassembly for front-of-engine component replacement. V6 does not.
Oil cooler leak is uncommon so far. What was the CEL for? Did you read codes or did the dealer tell you which code it was? Did you have low coolant or low oil level?
I don't want any of the previous Porsche V8s. Exploding intake manifolds and a host of other problems.
V8 requires front end disassembly for front-of-engine component replacement. V6 does not.
Oil cooler leak is uncommon so far. What was the CEL for? Did you read codes or did the dealer tell you which code it was? Did you have low coolant or low oil level?
I don't want any of the previous Porsche V8s. Exploding intake manifolds and a host of other problems.
RL Community Team
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From: FL | Vegas
Engine light was for thermostat. Coolant and oil levels at spec. I had great luck with the the V8 in a 2013 Cayenne S and my 928 GTS 5.4L is holding/running well.
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Joined: Sep 2003
Posts: 9,179
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From: New Hampshire
Thermostat (and water pump and coolant shutoff valve) are somewhat common.
V8 requires front end disassembly for front-of-engine component replacement. V6 does not.
Oil cooler leak is uncommon so far. What was the CEL for? Did you read codes or did the dealer tell you which code it was? Did you have low coolant or low oil level?
I don't want any of the previous Porsche V8s. Exploding intake manifolds and a host of other problems.
V8 requires front end disassembly for front-of-engine component replacement. V6 does not.
Oil cooler leak is uncommon so far. What was the CEL for? Did you read codes or did the dealer tell you which code it was? Did you have low coolant or low oil level?
I don't want any of the previous Porsche V8s. Exploding intake manifolds and a host of other problems.
Instructor
Joined: May 2017
Posts: 100
Likes: 36
I just came across the following on Youtube (see below), listing some issues (major/minor) with Cayenne Turbo 2019-2023 generation. While most of the potential issues he touches upon are known, the small issue with belt tensioner comes up after he discusses water pump (at 5:00 min mark). Has anyone on this forum experienced issues with a belt tensioner and is this another potential item one should proactively address. The guy suggests after 6yrs or 60k miles might be a good time for replacement. Is this a big job and what are the symptoms?
Track Day
Joined: Nov 2020
Posts: 24
Likes: 22
Soft close doors
2024 Cayenne Base with 7500 miles. The soft close function works intermittently on both driver/passenger rear doors. They work properly maybe 20-40% of the time. I can hear the soft close motor actuate to close the door but the door does not completely seal shut. Initially brought it to the dealer where they kept the car for 17 days. They had to replace the actuator, soft close motor and reprogram/initialize the doors. They advised everything was fixed and the doors were functioning 100% correctly. Brought the car home only to find that both rear doors are malfunctioning intermittently again. It’s scheduled to go back to the dealer tomorrow for diagnosis.
Prior to the 2024, had a 2020 coupe with soft close that functioned correctly 100% of the time. Have also owned numerous vehicles with soft close doors that were problem free so I’m curious to see if others here have encountered this? I’ve seen posts where cold weather may have played a part but we’re in Southern California where this shouldn’t be an issue.
Prior to the 2024, had a 2020 coupe with soft close that functioned correctly 100% of the time. Have also owned numerous vehicles with soft close doors that were problem free so I’m curious to see if others here have encountered this? I’ve seen posts where cold weather may have played a part but we’re in Southern California where this shouldn’t be an issue.
Thread Starter
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From: linker Fahrbahn
Soft close doors take some learning to “do it right”. Slowly bring the door to the latch, and softly let the latch make the first click. The motor does the rest of the work.
Letting the door go with a “soft slam” or anything remotely like it results in inconsistent operation in my experience.
Letting the door go with a “soft slam” or anything remotely like it results in inconsistent operation in my experience.
Track Day
Joined: Nov 2020
Posts: 24
Likes: 22
Soft close doors take some learning to “do it right”. Slowly bring the door to the latch, and softly let the latch make the first click. The motor does the rest of the work.
Letting the door go with a “soft slam” or anything remotely like it results in inconsistent operation in my experience.
Letting the door go with a “soft slam” or anything remotely like it results in inconsistent operation in my experience.
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Burning Brakes
Joined: Mar 2009
Posts: 1,054
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From: Houston, TX
Thread Starter
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Joined: Nov 2019
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From: linker Fahrbahn
My left rear soft close door gets wonky in cold weather. Driver’s door works 100% of the time assuming the technique is done correctly. Right side doors - dunno because I don’t use them and my passengers don’t know how/unwilling to use the soft close feature! 
In the rare occasions I use the right side doors, the soft close feature works.
In the rare occasions I use the right side doors, the soft close feature works.
Last edited by chassis; Feb 27, 2025 at 03:07 PM.
Advanced
Joined: Jul 2014
Posts: 72
Likes: 25
From: KC
Threw in the towel with our 2019 base this week, worst car I've ever owned unfortunately. Which hurts to say as our 958 diesel was the BEST car I've ever owned. I'm afraid there is too much audi in these new cayennes, the mechanical and cosmetic failures seem to never end with it
RL Community Team
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From: FL | Vegas
Drifting
Joined: Oct 2023
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Threw in the towel with our 2019 base this week, worst car I've ever owned unfortunately. Which hurts to say as our 958 diesel was the BEST car I've ever owned. I'm afraid there is too much audi in these new cayennes, the mechanical and cosmetic failures seem to never end with it
Track Day
Joined: Nov 2020
Posts: 24
Likes: 22
My left rear soft close door gets wonky in cold weather. Driver’s door works 100% of the time assuming the technique is done correctly. Right side doors - dunno because I don’t use them and my passengers don’t know how/unwilling to use the soft close feature!
In the rare occasions I use the right side doors, the soft close feature works.
In the rare occasions I use the right side doors, the soft close feature works.
Threw in the towel with our 2019 base this week, worst car I've ever owned unfortunately. Which hurts to say as our 958 diesel was the BEST car I've ever owned. I'm afraid there is too much audi in these new cayennes, the mechanical and cosmetic failures seem to never end with it