TH400 Converter Charge Pressure Reduction - LS Swap S10
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- Опубліковано 16 жов 2024
- I am not a professional. This video is for entertainment purposes only. I am not sponsored by any company mentioned in this video. I did this install these parts based on my own research and used my own money to purchase the products.
In this video I will place an orifice in the hole of the transmission pump that sends the torque converter charge pressure to the torque converter. This is a fix to eliminate high pressure in the torque converter that pushes on the flex plate and on the crankshaft of the LS engine that eats up your thrust bearing in your engine. You can pick up a 5/16" x 18 thread x 3/8" long set screw at Lowe's or your local hardware store. You will also need a 7/64" drill bit and some 263 red Loctite. If you need instruction on how to assemble the pump, check out my video on the TH400 bearing installation. I cover the pump assembly in that video. It is linked in this video. I hope this video helps you out and as always thanks for watching and don't forget to subscribe!!
Wow! 2 videos back to back, you're spoiling me, brother. That is a crucial bit of information for those using TH400's for LS swaps. I wonder if the same should be done for the TH350?
@yourpcmd Yeah I have been getting things caught up at home. Gives me more truck time. Not sure if TH350’s have the same issue. I read multiple articles and watched many UA-cam videos where this is a big problem on the 400’s and the 7/64” orifice is the fix.
You dont test pressure with the cooler line ports. There is a pressure teat port on the drivers side of the case that is used. This is a 1/8th npt theeaded port.
@jeffallen3382 Thanks for the correction. I am learning how to work on the TH400 and I saw where someone said one of the cooler ports was pressure and one was return. Thanks for letting me know and thanks for watching! I will go back and make the correction in the video!
@@dtperformance256 no problem!
Technically there is a pressure and return on those cooler line ports. But those are not what's used for diagnosis of the transmission "pressure" circuit.
@jeffallen3382 Good to know. Thanks again for commenting. I picked that info up from someone else and I didn’t think that one of the cooler lines had that much pressure on it, but again I didn’t know and was trusting of what they told me. What you are saying makes more sense to me. I dont want to give out incorrect information so I really appreciate it!
@@dtperformance256 you're welcome!
@jeffallen3382 I got the video edited and found a pdf of the ATSG TH400 manual that details the port to check pressure. Thank God for people like you that are helpful and not jumping on here to beat me up. Again, I appreciate the info Jeff.