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94 Corvette Clutch Fluid Empty

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Old May 27, 2017 | 09:01 PM
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Default 94 Corvette Clutch Fluid Empty

I bought a 94 corvette 3 weeks ago. I'm new to corvettes. The car has 40,000 miles on it. The clutch seemed a little stiff. I looked at a thread on here that showed how to check it. I have and it is completely empty. Question is: can I just add DOT 3 Synthetic and fill the resevoir or will there be air in the line and I will make it worse without bleeding the unit?

Appreciate any help on this.

Thanks
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Old May 27, 2017 | 10:31 PM
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Originally Posted by 94Green
I bought a 94 corvette 3 weeks ago. I'm new to corvettes. The car has 40,000 miles on it. The clutch seemed a little stiff. I looked at a thread on here that showed how to check it. I have and it is completely empty. Question is: can I just add DOT 3 Synthetic and fill the resevoir or will there be air in the line and I will make it worse without bleeding the unit?

Appreciate any help on this.

Thanks
Depending on how empty depends on weather you need to bleed. Top it off and let it set a bit, You may be OK. road test and if still bad Bleed it. But the Next Question Why did it go dry?

Stiff, is the clutch slipping or Chattering or giving you any problems? At 40,000 miles I would find it odd if the clutch was bad not that it can't happen but compared to the Wet Sponge feeling Clutch Pedals that a lot of cars have today, These are Stiff I personally hate to move my Wife's Hyundai the Clutch feels like it's connected to Nothing.

Last edited by s carter; May 28, 2017 at 07:41 AM.
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Old May 29, 2017 | 09:00 AM
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The pedal should be stiff compared to most modern cars. The C4 clutch takes some effort. You can add fluid, it is self bleeding. Just pump it with the car off and it will bleed. Holding it to the floor for a few minutes then sliding your foot off the pedal to pop the clutch up will also help it force air out.

Be more concerned with where the missing fluid went. It's a sealed system. Removing the flywheel inspection cover will allow you to check for wetness. If found, suspect the release cylinder.
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Old May 29, 2017 | 12:21 PM
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Originally Posted by jmgtp
The pedal should be stiff compared to most modern cars. The C4 clutch takes some effort. You can add fluid, it is self bleeding. Just pump it with the car off and it will bleed. Holding it to the floor for a few minutes then sliding your foot off the pedal to pop the clutch up will also help it force air out.

Be more concerned with where the missing fluid went. It's a sealed system. Removing the flywheel inspection cover will allow you to check for wetness. If found, suspect the release cylinder.
Well, it looked empty from the outside, but when I opened it up it was perfectly clear and only down a half inch. It took maybe an ounce to fill.

I had a centerforce clutch in my 'cuda and it was way easier to push. I guess this one ain't that hard to push, just harder than I would have expected though. The corvette was a one owner before me and maintained at a dealership. If I treat it good, how long can a clutch last in a 94 with 40,000 miles on it?

Also, Thank you for the tip on getting air out. I will try it.

Best Regards,

Mike
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Old May 29, 2017 | 12:22 PM
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There is a tutorial called the "ranger method" that talks to adding, changing and burping clutch oil in vettes.
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Old May 29, 2017 | 01:05 PM
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Originally Posted by 94Green
Well, it looked empty from the outside, but when I opened it up it was perfectly clear and only down a half inch. It took maybe an ounce to fill.

I had a centerforce clutch in my 'cuda and it was way easier to push. I guess this one ain't that hard to push, just harder than I would have expected though. The corvette was a one owner before me and maintained at a dealership. If I treat it good, how long can a clutch last in a 94 with 40,000 miles on it?

Also, Thank you for the tip on getting air out. I will try it.

Best Regards,

Mike

Properly driven a Minimum of 75000, I seen them go in as little as 25000 and Freaks like my Brother 225000 and still factory in his C-3
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