TH350 rebuild tech
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Forward drum procedures are almost identical. No center seal to worry about on a TH350, it typically already has a 5 clutch pack, except light duty applications. | Forward drum procedures are almost identical. No center seal to worry about on a TH350, it typically already has a 5 clutch pack, except light duty applications. | ||
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Forward clutch pack clearances can be tighter than usual, however it must have some clearance. If too tight it can creep in neutral. | Forward clutch pack clearances can be tighter than usual, however it must have some clearance. If too tight it can creep in neutral. | ||
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Forward drum inspection: | Forward drum inspection: | ||
| − | Pay attention to this | + | Pay attention to this polished stub of the input shaft, it goes into the bushing that is in the end of the out put shaft. It is a high wear area. Be sure it is smooth. Minor scoring can be smoothed down. |
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| + | [[file:TH350forwardwear.jpg]] | ||
Notice the scraped and split low reverse friction in the intermediate piston cavity. This slightly tightens the intermediate clutch clearance to achieve cleaner 1-2 shift. | Notice the scraped and split low reverse friction in the intermediate piston cavity. This slightly tightens the intermediate clutch clearance to achieve cleaner 1-2 shift. | ||
| − | + | [[file:Th350pumpstator.jpg]] | |
Intermediate piston installed | Intermediate piston installed | ||
| − | + | [[file:TH350intpiston.jpg]] | |
Sealing rings on the pump stator. Notice the missing selaing ring 2nd from bottom. You can remove this ring if dual feeding. | Sealing rings on the pump stator. Notice the missing selaing ring 2nd from bottom. You can remove this ring if dual feeding. | ||
| − | + | [[file:TH350pumprings.jpg]] | |
Pump gear install. Note the orientation of the tangs on the inner gear. They are offset. They should face away from the seal. Mis-installation will result in pump failure and converter damage. | Pump gear install. Note the orientation of the tangs on the inner gear. They are offset. They should face away from the seal. Mis-installation will result in pump failure and converter damage. | ||
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