The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - TH 400 Torque Converter Drain Back Solutions?

72step · 11-10-2008, 08:25 PM

So it's normal for the torque converter to drain back fluid into the tranny to where it completely fills it up and finds the weakest seal on the top of the tranny???

I'm not an auto tranny expert but you would think it would make sense for there to be some sort of a one way valve preventing the torque converter to lose it's contents into the tranny.

I can tell you that this wasn't a problem in the past.

Tranny shops won't answer my question because they just say to bring it in for a rebuild.

What would a new converter do???

11-10-2008, 08:25 PM	#11
72step Registered User Join Date: Nov 2000 Location: chimayo, nm, usa Posts: 898	Re: TH 400 Torque Converter Drain Back Solutions? So it's normal for the torque converter to drain back fluid into the tranny to where it completely fills it up and finds the weakest seal on the top of the tranny??? I'm not an auto tranny expert but you would think it would make sense for there to be some sort of a one way valve preventing the torque converter to lose it's contents into the tranny. I can tell you that this wasn't a problem in the past. Tranny shops won't answer my question because they just say to bring it in for a rebuild. What would a new converter do??? Last edited by 72step; 11-10-2008 at 08:26 PM.