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

1996 ZF6 clutch fluid reservoir low

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Old 04-25-2019, 02:38 AM
  #81  
mtwoolford
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If you change the tranny fluid, take out the fill plug first.
Old 04-25-2019, 10:33 AM
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9T3VETTE
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Originally Posted by 1993C4LT1
Good plan. I'll order some Amsoil. Yeah, hesitant to drive the car because of the engine.
Contact forum member C66 Racing.
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Old 04-25-2019, 11:31 AM
  #83  
1993C4LT1
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Too late I literally ordered 3 quarts of it like 15 minutes ago Thanks though
Old 04-25-2019, 11:38 AM
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1993C4LT1
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Originally Posted by mtwoolford
If you change the tranny fluid, take out the fill plug first.
Of course!
Old 04-26-2019, 08:04 AM
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81c3
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Damn Brandon, sorry about the engine problem... I know how stoked you were to get the car.... I;m sure you'll get through it....
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Old 04-26-2019, 10:49 AM
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1993C4LT1
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Thanks man

Do you guys think this will be a problem? Clutch line is touching the bell housing.
Old 04-26-2019, 02:30 PM
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81c3
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I wouldn't think too much of the line touching the bell housing.... HOWEVER... if it was bothering me, Id take a piece of appropriately sized hoze, split it long ways with a razor blade and use it as a protective cover. Hold it in place with a couple of zip ties. I use that method in any situation like that. It works particularly well wit the ABS sensor wire covering that crumbles in many cases. I use vacuum hose for them...
Old 04-26-2019, 03:00 PM
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1993C4LT1
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I'll see if I can find some sort of heat resistant hose to put over it. Sorry for all the questions, seriously. Should I worry about the new clutch line touching the ground nut?


Old 04-26-2019, 07:20 PM
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Dont need anything special... 3/8 fuel line would work fine... and no on the line touching the ground nut. You could get a hose clamp that has been rubberized and simply use it to retain the braided line.


Something like these... I have a few of these... always find a use for them....

https://www.ebay.com/itm/BAG-OF-25-3...sAAOSw9V1ahdeH

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Old 04-28-2019, 08:50 PM
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Dumb question. If I unbolt the slave, will I be able to tell if the clutch fork is broken? Have the amsoil fluid, but haven't changed it yet. I'll change the fluid first, and if still hard to get into gear, I'll remove the slave.
Old 04-29-2019, 12:23 PM
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Decided to remove the slave last night, as I felt ambitious. Was hoping that I could stick my camera in the hole where the slave goes. To see if i could get a good look at the clutch fork. You can't. Too tight in there. With that said, do I have a clutch fork problem?

My clutch engages very nicely. Forwards and reverse. But I pushed on the clutch fork with a long flat head, to see if it would move. It didn't move, and I was putting some serious effort into it. Why did I do that? Cause I read on the forum that if you push on the fork all the way, and have someone shift gears, and it shifts smoothly, it's a hydraulic problem.

I did find the fork has the smallest amount of play if you push down on it, and I mean small play. But then I got to thinking. If the fork was problematic, my clutch wouldn't engage. At least not as smoothly as it does, or at the point it engages. But I could be wrong, as I am new to manual transmissions and the zf6. If you guys think I should start a new thread on this, let me know.
Old 04-29-2019, 06:20 PM
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Changed the zf6 fluid just now. I haven't driven the car with the new fluid, but it feels exactly the same as before. Still hard to get into gear. If the trans is in the mood of getting into gear, it'll be 1st and or reverse. I can get it into every gear, yes. But that's forcing it. Not like when I bought the car, and it just slid right into gear.
May have to send the car to someone that knows what they are doing.
Old 04-29-2019, 07:20 PM
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Just my opinion but I think you need to drive it for a fair assessment. At least do that before you pay someone to look at it
Old 04-29-2019, 08:47 PM
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Originally Posted by 9T3VETTE
Just my opinion but I think you need to drive it for a fair assessment. At least do that before you pay someone to look at it
I did drive it yesterday, for about 5 miles. But that was with the old fluid. But yeah, I'll do another short drive with the new fluid.

How well does the system have to be bled? I do get bubbles when pumping fast in the master reservoir. But these bubbles are like the size of a needle tip. Very impossible to get on camera. For every 30 or so pumps, I get about 4-5 of them.

Last edited by 1993C4LT1; 04-29-2019 at 09:46 PM.
Old 04-30-2019, 12:03 PM
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Luckily my phone captured the bubbles I am talking about.


Same pics. The 2nd one is just zoomed in.

EDIT
Oh, I did drive the car this morning. Ah felt so good to,be behind the wheel of a C4 again. Anyways, clutch engages great. Shifting the car going down the road does shift easier/smoother than when the car is off. But every now and then, 2nd and 3rd gear shifts were notchy. Man it felt good driving the car tho

Last edited by 1993C4LT1; 04-30-2019 at 12:13 PM.
Old 04-30-2019, 01:32 PM
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I think you are fine. There will be bubbles after just bleeding it. It takes a few 100 miles or so of driving and clutch cycles to work them all out. Just make sure pedal is pressed in all the way before shifting.

Also keep in mind, your transmission was rebuilt at some point. It may just be the nature of your transmission to shift a little notchier. They are all different and I have heard the synchros/gears will kind of wear to how it is being driven. I bet after a few thousand miles you won't think anything of it and it'll still be the same.
Old 04-30-2019, 08:38 PM
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Originally Posted by TorchTarga94
I think you are fine. There will be bubbles after just bleeding it. It takes a few 100 miles or so of driving and clutch cycles to work them all out. Just make sure pedal is pressed in all the way before shifting.

Also keep in mind, your transmission was rebuilt at some point. It may just be the nature of your transmission to shift a little notchier. They are all different and I have heard the synchros/gears will kind of wear to how it is being driven. I bet after a few thousand miles you won't think anything of it and it'll still be the same.
Thanks. I hope so. Forgot to mention: no metal chunks came out of the trans. Just a slight dusting of metal flakes. Which I believe is normal for a trans.

I asked Bill B about this. He said to re bleed and if still not good, clutch master is bad. But I'll drive it for a while before doing that. I put a Wagner clutch master. I couldn't really find anything as to which brand is recommended.

Last edited by 1993C4LT1; 04-30-2019 at 08:40 PM.

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Old 05-01-2019, 01:08 AM
  #98  
mtwoolford
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Originally Posted by 1993C4LT1
Thanks. I hope so. Forgot to mention: no metal chunks came out of the trans. Just a slight dusting of metal flakes. Which I believe is normal for a trans.

I asked Bill B about this. He said to re bleed and if still not good, clutch master is bad. But I'll drive it for a while before doing that. I put a Wagner clutch master. I couldn't really find anything as to which brand is recommended.
before going for a new clutch master cylinder, try DOT 5 silicon based brake fluid; its more viscous that DOT 3 or DOT4 brake fluid, and it seems to work better in the clutch systems; other forum members have tried it with improved clutch action.
Old 05-01-2019, 11:58 AM
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Bought some DOT4. Grinded reverse today. And when it did, it popped outta gear. I don't know if I had it all the way in or not.
Old 05-01-2019, 12:55 PM
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Yep if you don't have it all the way in it will do that. Its a habit for me now I always shift into first or another gear before sliding it back into Reverse. I don't have to do it but its habit.


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