C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

c4 clutch replacement

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Old 11-07-2017, 10:02 AM
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jimwyn2
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Default c4 clutch replacement

should I go with after market or OEM clutch?
Old 11-07-2017, 05:06 PM
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Kevova
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It's unlikely you will find oem clutch parts. There are several threads related to clutch and flywheel service and replacement. How much you are willing to spend and how you plan to drive car will determine your choices. Use the search function.

Last edited by Kevova; 11-07-2017 at 05:07 PM.
Old 11-08-2017, 09:15 AM
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MatthewMiller
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Originally Posted by Kevova
It's unlikely you will find oem clutch parts. There are several threads related to clutch and flywheel service and replacement. How much you are willing to spend and how you plan to drive car will determine your choices.
Agreed. Even if you find a new Valeo unit, if it isn't new-old-stock made in the US or Brazil then it is no better than any of the other made-in-China junk out there. If you can really find a NOS Valeo clutch, by all means use that.

OTOH, consider whether you really need to replace your pressure plate. If it's clean and straight and not chattering now, then your disk is the main wear item. You might get away with just replacing the disk. Also, the new bearings being sold today are also made-in-China junk. If you can find a new-old-stock INA throwout bearing, it will cost but it will be a lot better than what comes in most clutch kits.

Last edited by MatthewMiller; 11-08-2017 at 09:16 AM.
Old 11-08-2017, 12:35 PM
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DMITTZ
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What years is your car OP?

Is it stock or modified?
Old 11-08-2017, 02:51 PM
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jimwyn2
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car is stock. I have my suspicions that the clutch failed due to problems with the hydraulics. I have to look into that now. Should not have clutch failure with only 41,000 on the odo. I do not have a heavy foot!
Old 11-08-2017, 03:26 PM
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QCVette
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Originally Posted by DMITTZ
What years is your car OP?......


The '88 and earlier are common small block clutches/flywheels, but the '89 to '96 are unique with a dual mass flywheel, unsprung disk, pull style throwout bearing, etc.

Let us know where to start making recommendations.

Last edited by QCVette; 11-08-2017 at 03:27 PM.
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Old 11-08-2017, 06:32 PM
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MatthewMiller
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Okay, for some reason I just assumed this was a 89-96 car with the ZF6 transmission. Everything I typed in post #3 above only applies to that. If your car is a 4+3, then ignore all of it. OTOH, if your car is a ZF6 with only 41k stock, easy miles on it, then I strong suggest you address the hydraulics first. If that's all that's wrong, then don't mess with the OE pressure plate, bearing, and disk! The parts that came in that car from the factory are far better than anything you can buy new today (again, unless you can locate NOS pressure plate and bearing).

Tell us the year of your car and what the symptoms are.

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