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Driveline Transmission, Clutch, Gearing, etc...

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Old 05-07-2013, 10:15 AM
rat poison rat poison is offline
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Default c6 trans won't go into gear.

This trans has a Hughes trans rebuild kit and a 3800 stall converter.The first weekend it worked perfectly at the track.The next time out it was working good the first day,then after the third pass when you'd put it in gear it wouldn't engage until you revd it up to 2000 r.p.m. then it would engage properly in first gear.when you were putting it in reverse it woud do the same except it would sort of slip into gear but would work perfectly once it would engage.I raced the car the rest of the week end like that and the car ran very consistent and strong.When I drained the oil out there was a little sludge in the pan,nothing out of the ordinary for green clutch's just a light amount on the bottom of the pan.I did how ever find a few aluminum slivers as well.Could the converter be the problem and where the slivers came from?
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Old 05-07-2013, 02:51 PM
stuarta stuarta is offline
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Did you drop the pan and have a good look?

What kind of filter is on it?
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Old 05-07-2013, 05:53 PM
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Yes I did that's when I saw the little bit of sludge and a couple of filings. the transmission still works okay otherwise.
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Old 05-07-2013, 06:29 PM
stuarta stuarta is offline
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Ok. Now my second question?
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Old 05-08-2013, 07:09 AM
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There is 1 other thing I forgot to mention,it dose have a cheetah manual valve body in it as well.No trans brake.
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Old 05-19-2013, 10:40 PM
bigblockdan bigblockdan is offline
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did you check your trans cable to make sure it didn't move or get loose on you, check the shifter and trans sides
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Old 05-22-2013, 10:18 AM
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I do have an issue with the shifter cable adjustment there seems to be a little slack in the cable.If I adjust it,it'll go into the proper detentes in one direction but not the other.If I adjust it the other direction it'll go into the detentes in the other direction.So I adjusted it to be able to up shift properly.I did fine however the vacuum module is leaking and the adjustment screw was backed way out,almost fell completely off.I don't know what the need for the module is,with a manual valve body but could this
have been the problem?
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Old 05-23-2013, 05:24 AM
gregaust gregaust is offline
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Modulator is only there to plug the hole ..
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Old 05-23-2013, 03:11 PM
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Ya I thought so thanks.I wasn't sure if it did anything.
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Old 05-23-2013, 11:42 PM
Wpginterceptor Wpginterceptor is offline
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Did u blow out all the cooler lines after the rebuild..

After I rebuilt my trans, i did the stupid thing of not blowing out the lines.. and thus had to drop the pan and remove valve body and clean it all out, full of filings

and I had some of same issues as you mention
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Old 05-28-2013, 11:59 AM
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No I didn't I never even thought of it.Well I'm pulling it out tonight and going through it,to see what I find.
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Old 06-17-2013, 10:43 AM
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Well guys I couldn't find anything wrong that stands out.Could the converter cause this?It seems like the pump can't build pressure until it hits 200 rpm. then everything is okay.The transmission engages and away you go.
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Old 06-18-2013, 04:52 AM
gregaust gregaust is offline
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Pressure gauge is required to diagnose any further IMO.
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Old 06-18-2013, 06:27 AM
TorinoStyle2 TorinoStyle2 is offline
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Check the sealing rings in the governor housing.
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Old 06-18-2013, 02:16 PM
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Quote:
Originally Posted by TorinoStyle2 View Post
Check the sealing rings in the governor housing.
I'll check that today.
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