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Vacuum Port on top of 4L60E

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Old Dec 9, 2018 | 02:17 PM
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Default Vacuum Port on top of 4L60E
Can someone please tell me the purpose of this port and what it connects to?

Thanks
Deuce


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Old Dec 9, 2018 | 03:49 PM
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It is a vent/ breather for over filled, over heating transmission. There is usually a line that is about 3 feet long that connects to that to divert fluid downstream to prevent a flash fire with fluid hitting exhaust or motor
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Old Dec 9, 2018 | 05:20 PM
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Thanks Cayenne. I’ll run a line to clear hotspots.

Deuce
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Old Dec 10, 2018 | 09:51 AM
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On 2002 F-Bodies the line is run down to about the half the length of the torque arm and then zip tied to the arm.
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Old Dec 10, 2018 | 10:21 PM
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Originally Posted by bbond105
On 2002 F-Bodies the line is run down to about the half the length of the torque arm and then zip tied to the arm.
its a metal clip that clips to the top of the TQ arm and it not to far from the TQ arm bushing....jus sayin
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Old Dec 11, 2018 | 05:57 AM
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I figured that if he didn't have the hose he wouldn't have the clip either.
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Old Dec 11, 2018 | 10:56 PM
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wonder if the clip or hose is still available from GM ?
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