TH400 rebuild tech
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[[file:Center-support-compress.jpg]] | [[file:Center-support-compress.jpg]] | ||
| − | Next, you will finish assembling the rear portion for installation into the case. | + | Next, you will finish assembling the rear gear train portion for installation into the case. |
| − | Install the center support into the reaction carrier. | + | |
| + | Install the center support into the reaction carrier. You will need to rotate the center support into the roller clutch assembly. Center support will then slide into the assembly | ||
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| + | [[file:Rearassembly.jpg]] | ||
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You will install the rear thrust bearing into the case or the stock selective in the case with the stock thrust on the rear planet (using assembly gel, petroleum jelly, or grease to hold in place). | You will install the rear thrust bearing into the case or the stock selective in the case with the stock thrust on the rear planet (using assembly gel, petroleum jelly, or grease to hold in place). | ||
You will also install the low/reverse (rear) band. | You will also install the low/reverse (rear) band. | ||
If required you install the fretting snap ring into the case. ATSG covers when this is necessary, most later model (71?-up trans have this). | If required you install the fretting snap ring into the case. ATSG covers when this is necessary, most later model (71?-up trans have this). | ||
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| + | [[file:Casefretring.jpg]] | ||
I install the part of the rear servo to help hold the band in place. Not always necessary but it helps. | I install the part of the rear servo to help hold the band in place. Not always necessary but it helps. | ||
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| + | [[file:Barecase.jpg]] | ||
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I use a paper towel to pad it slightly, and grip the shaft between my middle and index finger. I lift it using one hand under the output carrier until I'm ready to set it into the case. Then all the weight is on your fingers for a few seconds. If you have a helper they may be able to hold the output shaft once it passes through the rear case hole and hole in the bench. | I use a paper towel to pad it slightly, and grip the shaft between my middle and index finger. I lift it using one hand under the output carrier until I'm ready to set it into the case. Then all the weight is on your fingers for a few seconds. If you have a helper they may be able to hold the output shaft once it passes through the rear case hole and hole in the bench. | ||
The center support must line up with the holes in the case, you can see two angle cut tangs on the center support in about the 8 and 10 o'clock position as pictured, these can be used to line it up properly. | The center support must line up with the holes in the case, you can see two angle cut tangs on the center support in about the 8 and 10 o'clock position as pictured, these can be used to line it up properly. | ||
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| + | [[file:Rearhalf_install.jpg]] | ||
Once the assembly is seated in the case, be sure the feed holes in the valve body area line up properly, the rear band apply is in the correct location. | Once the assembly is seated in the case, be sure the feed holes in the valve body area line up properly, the rear band apply is in the correct location. | ||
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