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So you want to hear what a bad 4.5L sounds like…

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Old 06-15-2024 | 09:31 PM
  #16  
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Originally Posted by ViolaGT3
fairly easy fix.
parts car
Old 06-16-2024 | 01:42 AM
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Originally Posted by ViolaGT3
Just wow, 65k miles... from the sound I would be very concerned, but with the mileage makes me think it would be a fairly easy fix.
This thing lived its whole life on the east coast. Mileage doesn’t matter when it comes to bore scoring. The number of times it was cold started in cold temperatures does.

It’s only worth buying for someone who wants to transplant the off-road equipment onto their good Cayenne.
Old 06-16-2024 | 03:38 AM
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Originally Posted by Malibu955
This thing lived its whole life on the east coast. Mileage doesn’t matter when it comes to bore scoring. The number of times it was cold started in cold temperatures does.

It’s only worth buying for someone who wants to transplant the off-road equipment onto their good Cayenne.
And unfortunately they put a coil lift kit on a 955 S that HAD air suspension, so all the CTT people will pass on that. How f’ing stupid.
Old 06-16-2024 | 01:19 PM
  #19  
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Omg the seller is such a clueless flipper douchebag. I highly recommend checking the thread. Get your popcorn out.
Old 06-16-2024 | 08:54 PM
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Originally Posted by BobcatBrian
Mileage doesn’t matter if it’s bore scoring. Repair is an engine rebuild or a used engine. Either way, who would invest that in a 2004 S cayenne?
ouch, I was not aware that scoring could happen so easily. I am only familiar with it from siezed rings are faulty injectors. Such a shame. I have read many places where guys in the off-road community swap to coilovers from air to build crawlers, but I don't believe I would go that route.
Old 06-16-2024 | 09:27 PM
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Originally Posted by ViolaGT3
ouch, I was not aware that scoring could happen so easily. I am only familiar with it from siezed rings are faulty injectors. Such a shame. I have read many places where guys in the off-road community swap to coilovers from air to build crawlers, but I don't believe I would go that route.
Well, I don’t mean that a brand new car is having an issue, I mean that it can happen at low (<75k) mileage too. The prevailing theories are cold weather, long oil change intervals, short drives…things like that, which don’t need 150k miles to manifest.
Old 06-17-2024 | 06:21 PM
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Update: It's going back to the dealer to diagnose the sound.

I can't wait to see where this goes!
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Old 06-17-2024 | 06:50 PM
  #23  
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Unless the "diagnosis" includes borescoping every cylinder and the video of the results is posted to the auction:




Even then, if the scoring is underneath where the top of the piston is, the borescope wouldn't catch it. I'll just go with hard no, full stop. BAT should pull this one.
Old 06-17-2024 | 07:36 PM
  #24  
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No need for BAT to pull it....Seller set it at no reserve.....
​​​​🎲🎲
Old 06-17-2024 | 08:47 PM
  #25  
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By the time you hear a tick, the damage should be high enough to see with a scope. This one sounds so bad, I bet one or two spark plugs will tell the whole story.

I like how things went from:
Everyone can relax there is nothing wrong with the motor.
To:
the car was dropped off this morning to Porsche SD to address the engine sound.

Any bets on how the seller is going to handle this?
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Old 06-17-2024 | 09:04 PM
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It’s been a bit of a clown show so far. The seller was so dismissive, acting like we were just talking crap about his listing. IMO, that’s the best thing about BAT. Every listing should get torn apart and scrutinized, especially for crazy expensive issues like bore scoring.
Old 06-17-2024 | 09:30 PM
  #27  
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Agreed. Hopefully the issue gets diagnosed properly (and there's no guarantee that it will), and the seller does the right thing and either discloses it so that people can bid accordingly, or pulls the listing entirely (he may have gotten screwed himself from the person he bought it from). Just as long as the next owner is fully informed prior to purchase.
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Old 06-18-2024 | 03:49 PM
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Listing closed for the dealer to pull apart the engine for diagnostics. You would think someone could stick a scope down the spark plug tubes!
Old 06-18-2024 | 06:57 PM
  #29  
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Nice that you guys could catch that.
Old 06-18-2024 | 11:09 PM
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Originally Posted by BobcatBrian
Listing closed for the dealer to pull apart the engine for diagnostics. You would think someone could stick a scope down the spark plug tubes!
Dealers operate on time and materials, so teardown it is


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