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New Z06 problems first day

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Old 08-01-2023, 09:48 AM
  #141  
416vette
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Originally Posted by LE MANSZ
I judge a brand's reliability by it's medium-term track record, not just short-term. But here's some newer stuff, GT4 frame cracking at the strut tower:

https://rennlist.com/forums/gt4-spyd...ailure-62.html
Yes, I had a 981... from 2016.. its 2023 and no issues with the 718 GT4..
Old 08-01-2023, 09:49 AM
  #142  
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Originally Posted by RapidC84B
Wow... I never expected that from Porsche. I have had my eye on a Boxster GTS 4.0. Take me back to a simple C5 > steel chassis (infinite fatigue life), manual trans, easy to work on (mostly).
The BGTS 4.0 is solid man..
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Old 08-01-2023, 09:54 AM
  #143  
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Originally Posted by 416vette
Yes, I had a 981... from 2016.. its 2023 and no issues with the 718 GT4..
Nice anecdote. Plenty of C8Z owners with no issues as well.
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Old 08-01-2023, 09:59 AM
  #144  
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Originally Posted by LE MANSZ
Nice anecdote. Plenty of C8Z owners with no issues as well.
I'm speaking from experience in owning these very cars... I'm not the fanboi trying to counter every argument with historic Porsche issues.

People can enjoy many brands without having to carry it's bag..
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Old 08-01-2023, 10:03 AM
  #145  
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Originally Posted by 348SStb
I have Boxster GTS 4.0 2022. Had a 2021 Cayman GTS 4.0 2021. Have had zero issues. It’s a great car: I recommend it.

I also took delivery of a brand new Z06 yesterday. Fortunately, no issues (thus far).

The idea of folks impeaching the Porsche brand in general or its reliability in the context of recent Z06 issues is absurd.

Porsche is the most reliable car in the world. Period. There’s nothing to discuss here.

To observe failures after track use and make generalizations about the cars thereafter is not only spurious but intellectually void. A full, hard day at the track equates to maybe a year’s worth of stress on the components of a car. Really the level of stress cannot be quantified… but track use isn’t kind to any car. Components fail at the track. It’s part of the hobby.

Bottom line: GM is making great product when it comes to C8. Due to high production numbers the failures are more commonplace and therefore seen more often than on European cars. There is going to be a rotten apple in a bunch sooner or later. It really stinks for the person who has to suffer the bad luck.
I don't agree with that at all.... been tracking cars (mostly Corvettes) for over 20 years and have never had a major structural component fail. A shock tower should never fail... even with heavy track use.
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Old 08-01-2023, 07:37 PM
  #146  
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Originally Posted by LE MANSZ
I spoke to a Lemon law attorney, and he said he sees way more Porches and Ferraris than Corvettes.
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Old 08-01-2023, 07:51 PM
  #147  
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Originally Posted by danm1
I spoke to a Lemon law attorney, and he said he sees way more Porches and Ferraris than Corvettes.
this thread got derailed.

Any word yet on replacements parts and update on causes besides the leaking strut?
Old 08-01-2023, 09:25 PM
  #148  
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Since when is there a tonneau cover on a C8 SR or Z, what do you think a tonneau cover is?
Old 08-01-2023, 10:02 PM
  #149  
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Originally Posted by mdull
Since when is there a tonneau cover on a C8 SR or Z, what do you think a tonneau cover is?
What do you think this kind of comment is?

The Owner’s Manual and therefore GM refer to the tonneau cover as… the tonneau cover. Read the Owner’s Manual. Tonneau cover is mentioned some 20 times. It’s the piece that covers the area where the convertible top is stowed. I’m thinking you already know this but are making some kind of sarcastic comment.
Old 08-01-2023, 10:02 PM
  #150  
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Originally Posted by mdull
Since when is there a tonneau cover on a C8 SR or Z, what do you think a tonneau cover is?
Since the car is an HTC, I assume the OP is taking about the retractable hard top cover.
The hydraulic fluid leak was from the bad front lift cylinder which is part of the front shock assembly. I am wondering if the HTC retracting system shares any hydraulic components, controls, or fluid with the front lift?
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Old 08-01-2023, 10:32 PM
  #151  
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Originally Posted by adamsocb
Since the car is an HTC, I assume the OP is taking about the retractable hard top cover.
The hydraulic fluid leak was from the bad front lift cylinder which is part of the front shock assembly. I am wondering if the HTC retracting system shares any hydraulic components, controls, or fluid with the front lift?
No, it does not.
Old 08-01-2023, 10:40 PM
  #152  
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Originally Posted by range96
No, it does not.
I'm pretty sure in the end it was the bag that's part of the left front strut that raises and lowers the car that sprung the leak somewhere (fitting line?) That's part of the lift system.
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Old 08-01-2023, 10:43 PM
  #153  
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Originally Posted by range96
No, it does not.
How do you know?
Service manual, personal experience working on C8s?

The networks and systems in these cars are so integrated it is difficult to know without having hydraulic system diagrams, electrical schematics, and software flow diagrams.
Old 08-01-2023, 10:55 PM
  #154  
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Originally Posted by 19/C7Z
I'm pretty sure in the end it was the bag that's part of the left front strut that raises and lowers the car that sprung the leak somewhere (fitting line?) That's part of the lift system.
I agree with what you said, but that is not what I replied to. The front lift does not share hydraulic fluid with the HTC retracting system components.
Originally Posted by adamsocb
How do you know?
Service manual, personal experience working on C8s?

The networks and systems in these cars are so integrated it is difficult to know without having hydraulic system diagrams, electrical schematics, and software flow diagrams.
You can take my word for it. The front lift has its own hydraulic pump, reservoir and lines. Yes, the computer systems are interconnected, but that is not what we're talking about here.

Edit: I had a lengthy discussion about the lift system with a Corvette Team engineer and inspected the components on the GM C8 cutaway model.

Last edited by range96; 08-01-2023 at 11:02 PM.
Old 08-01-2023, 10:58 PM
  #155  
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The HTC is electronic; no hydraulics at all.
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Old 08-01-2023, 11:05 PM
  #156  
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^^^
This
Old 08-02-2023, 06:39 AM
  #157  
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Originally Posted by RapidC84B
The HTC is electronic; no hydraulics at all.
Bingo. Anyone who has ever seen one operate can look inside and see all the motors and gears when the cover is in the up position.

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Old 08-03-2023, 12:40 PM
  #158  
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dealer markup over sticker. Not sure how a replacement would effect taxs title & plates
Old 08-03-2023, 07:19 PM
  #159  
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No, parts aren't in yet and still backordered. Dealership hasn't even started looking into all the other problems with the car.
Old 08-03-2023, 08:48 PM
  #160  
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Originally Posted by 19/C7Z

OP. Let the dealer sort it out before you make any rash decisions. See if they can get gm to foot the bill for a 7yr 100k warranty etc. And if the car is laid up a payment at least. Little consolation but qC caught any of that you would just be without the car for same period of time. Probably better off but we can't redo history. I think it will workout but that initial gut check is terrible. Been there my friend.
That's a good idea. If in six months you still don't like the car, depending on what you paid for it, you can probably sell it for a profit.

I admit I am not a fan of Bowling Green's quality. I can't believe that after years, they are still shipping cars with headlights that don't fit, and later the paint peels around them on the poor owner. That's disgraceful.

Maybe GM should just contract with Toyota to build the Corvette in one of their non-union plants.
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