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TKO puking fluid !!

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Old Oct 2, 2007 | 05:32 PM
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Default TKO puking fluid !!

Tremec TKO question:

Hey got a quick question for anybody and everybody.

I have a Tremec TKO II this is one of the early models that I finished installing just before the Keisler kit became available. I've been recently having some issues with it puking tranny fluid out the rear of the tranny.

This occurs after it warms up and is more pronounced at slow speed than freeway speeds. What really freaks me out is the rear seal looks perfect. Should I just replace the seal anyway or can the transmission somehow pressurize itself?

I sent this question to the Classic chevy 5 speed guys in Calrsbad California via their website, even asking if I should bring it by but never heard back from them. So thoughts?
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Old Oct 2, 2007 | 06:48 PM
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If memory serves, there are 2 seals. The one you can see is just a dust seal and will not stop oil. Behind it there's an oil seal.
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Old Oct 2, 2007 | 07:14 PM
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I vote to replace the seal...
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Old Oct 2, 2007 | 07:23 PM
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It's all one piece, dust boot and seal, replace it, it is cheap and easy to do, pop it out with a screwdriver and tap the new one back in
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Old Oct 2, 2007 | 08:22 PM
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Originally Posted by zwede
If memory serves, there are 2 seals. The one you can see is just a dust seal and will not stop oil. Behind it there's an oil seal.
That would explain it then - thx fellows
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Old Oct 3, 2007 | 08:46 AM
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Originally Posted by fauxrs2
That would explain it then - thx fellows
Ok there is only one seal the rear seal. There are two other places it could leak in the tail

1 Neutral saftey switch seal

2 There is a place right above the rear seal that tremec plugs. We actually seal that plug area with silicone before it leaves here.


Please check all three of those places to see if it leaking there.
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Old Oct 3, 2007 | 05:04 PM
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When a transmission typically starts to dump oil after it warms up.... it is getting pressurized. I doubt it is your seal.

Check the steel vent in the top of the transmission. I have seen these earlly TKO vents get crapped up and corroded from sitting and without the case properly vented ...it will pressurize and blow oil. Also make sure you are running GM Synchromesh fluid. Heavy lubes can hang up in the vent passages and create a clog effect.

Also OVERFILLING these units will cause this problem since an overfill can render breathing passages inoperable...

Paul
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Old Oct 4, 2007 | 07:32 PM
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Originally Posted by 5speeds
When a transmission typically starts to dump oil after it warms up.... it is getting pressurized. I doubt it is your seal.

Check the steel vent in the top of the transmission. I have seen these earlly TKO vents get crapped up and corroded from sitting and without the case properly vented ...it will pressurize and blow oil. Also make sure you are running GM Synchromesh fluid. Heavy lubes can hang up in the vent passages and create a clog effect.

Also OVERFILLING these units will cause this problem since an overfill can render breathing passages inoperable...

Paul
Thx, dont relish the thought of having to get up there to check the vent , but I will.
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