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Old 11-20-2008, 01:04 PM
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Air Testing Forward Clutch Assembly

I am trying to air test the forward clutch assembly and it is leaking a whole bunch of air. See attachment on where the leak is coming from. The forward clutch rings are brand new. I think I installed it correctly. Any suggestions on how to fix this problem? Thanks.
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Old 11-20-2008, 07:42 PM
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Quote:
Originally Posted by pukas84
I am trying to air test the forward clutch assembly and it is leaking a whole bunch of air. See attachment on where the leak is coming from. The forward clutch rings are brand new. I think I installed it correctly. Any suggestions on how to fix this problem? Thanks.
yep , air gets past stuff the oil does not get past as quickly.

I am guessing you are using the pump stator support for air testing on this drum?
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Old 11-22-2008, 12:07 PM
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Yes I am using the pump stator support to do the air testing. Anyone has any suggestions on how to trouble shoot this problem?
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Old 11-24-2008, 11:48 AM
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Hi pukas84,
Recently I rebuild my first TH350. I also air checked and got the same result with it. Now the transmission is in the car and it works fine. If the piston keeps air it is OK.

Also, listen to the guys here. They are experienced and very helpful.

Hope it helps.

Ivo
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Old 11-24-2008, 01:10 PM
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Quote:
Originally Posted by rack
Hi pukas84,
Recently I rebuild my first TH350. I also air checked and got the same result with it. Now the transmission is in the car and it works fine. If the piston keeps air it is OK.

Also, listen to the guys here. They are experienced and very helpful.

Hope it helps.

Ivo
Thanks "Rack" for your response. When you say if the piston keeps air, which piston are you talking about? All the air checks were ok except the forward clutch assembly. Thanks for your help.
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Old 11-24-2008, 02:23 PM
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Quote:
Originally Posted by pukas84
Thanks "Rack" for your response. When you say if the piston keeps air, which piston are you talking about? All the air checks were ok except the forward clutch assembly. Thanks for your help.
Hi pukas84,
I ment the forward clutch.

It should not let the air out around the lip seals (rubber one).
Actually, I air checked before I installed the steels and friction plates to have better look on what is going on with test.

Check my topic here:
http://www.hotrodders.com/forum/firs...ns-144750.html

Jake (jakeshoe) explained this to me.
Also look at his article:
http://www.hotrodders.com/forum/th35...ch-145361.html
It helped me a lot.

Best regards,
Ivo
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