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Old 03-30-2011, 10:14 PM
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Vent tube location on T-350

Where is the vent tube located on a th350?

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Old 03-30-2011, 10:23 PM
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See the hole where the Bellhousing starts on top, there should be a tube there.>> http://finsrud.org/camaro/images/th350-cleaned.jpg
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Old 03-30-2011, 10:26 PM
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OK, I see it, thanks for the info...Will all th350's have the vent valves and in that location?
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Old 03-30-2011, 10:31 PM
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Yes, some have a metal tube bent @90* angle and some have a plastic type checkvalve>> http://shparts.com/050.jpg
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Old 03-31-2011, 06:31 AM
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Madmax.. I split out your new question posted to new thread here.

Do not post new questions in a thread on a different subject than your question. Start a new thread so as to not confuse members here.

The folks here will provide you answers

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Old 04-01-2011, 11:38 AM
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Quote:
Originally Posted by SSedan64
See the hole where the Bellhousing starts on top, there should be a tube there.>> http://finsrud.org/camaro/images/th350-cleaned.jpg
is this where the vent tube is (marked in a red circle)? what does it mean that the vent tube is "plugged"? Does this holw have to clean most of the time for a good operational?
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Old 04-01-2011, 05:39 PM
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Quote:
Originally Posted by alexcamaro307
is this where the vent tube is (marked in a red circle)? what does it mean that the vent tube is "plugged"? Does this holw have to clean most of the time for a good operational?
Yes, thats the vent tube hole. Looks like it is missing the plastic vent, or it is broken off and needs to be replaced.

If the vent is blocked or plugged, when the transmission heats up and the fluid expands there will be nowhere for the pressure to vent and it will push fluid out of a seal or gasket. The trans needs to be able to breathe.
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Old 04-04-2011, 08:04 AM
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That's excatly what happened!!! the fluid came out this time from the seal...damn i will have to remove the transmission to replace that seal...at the same time i will install a vent tube to avoid it from happening again
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Old 04-04-2011, 09:07 AM
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In some cases, you can remove the distributor or dist. cap (so it's not damaged by contacting the firewall), the driveshaft and the tranny X-member and then carefully lower the tail of the trans enough to reach the vent.

It removes by carefully twisting it as you pull. If it breaks off, you can carefully thread a small diameter screw into the center of it and pull it out that way.
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Old 04-04-2011, 12:23 PM
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ok thanks, can anybody post a picture if the th350 transmission seal i have to replace?

The seal (i think) is the front one, the one between the torque converter and the transmission....i live in Chile and i don't know if i can get it here
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Old 04-04-2011, 03:03 PM
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Quote:
Originally Posted by alexcamaro307
ok thanks, can anybody post a picture if the th350 transmission seal i have to replace?

The seal (i think) is the front one, the one between the torque converter and the transmission....i live in Chile and i don't know if i can get it here
With the vent working, you might not still have a leak.

Anyway:


If you've ever seen a timing chain cover seal, it looks like that.
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Old 04-05-2011, 10:41 AM
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Quote:
Originally Posted by Crosley
Madmax.. I split out your new question posted to new thread here.

Do not post new questions in a thread on a different subject than your question. Start a new thread so as to not confuse members here.

The folks here will provide you answers

Hey Crosley, I just read this thread today. Sorry about that, I will start a new thread next time....
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