TH400 Rebuild: Pump

This video covers the pump overhaul for a TH400. This pump utilizes a crescent style pump gear set up. This pump contains the pressure regulator valve assembly, which is responsible for transmission line pressure.
This video will show you common, costly, errors to avoid when assembling this pump.

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*****UPDATED TH400 Build Series*******
TH400 Teardown:    • TH400 Rebuild Series - Teardown (Disa...  
TH400 Inspection:    • TH400 Rebuild Series - Inspection (A ...  
TH400 Building Clutch Drums:    • TH400 Build Series - Building Clutch ...  
TH400 Building Clutch Drums (Continued):    • TH400 Build Series - Building Clutch ...  
TH400 Bushings:    • TH400 Build Series - Bushing Replacement  
TH400 Prepping Case for Assembly:    • TH400 Build Series - Prepping Case fo...  
TH400 Planetary Gear Set - Assembly & Installation:    • TH400 Build Series - Planetary Gear S...  
TH400 Intermediate Clutch, Band, Direct & Forward Drums:    • TH400 Build Series - Installing Inter...  
TH400 Pump + Front End-Play:    • TH400 Build Series - Pump + Front End...  
TH400 Valve-Body + Servos:    • TH400 Build Series - Valve-Body + Servos  
TH400 Filter & Modulator: Coming Soon!
TH400 Governor & Speedo: Coming Soon!
TH400 Different Cases (Chevy vs BPO): Coming Soon!

RESOURCES:
1) Apparel:
Eyes: https://amzn.to/2JguhZN
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Hands:
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Feet: https://amzn.to/2GD9eP7
Work Shirt: https://amzn.to/3HhDdMf
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3) TH400 Repair Manuals: 📕
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4) TH400 Tools: 🔧
230-Piece Tool Set: https://amzn.to/2L0AtWv
Pump Puller: https://amzn.to/2VmhXgZ
3-Ton Arbor Press (12 inch working height): https://amzn.to/2Reqmyx
Lip Seal Installer: https://amzn.to/2Gz4KI5
Lip Seal Installer (Huge Time/Headache Saver): https://amzn.to/2MxUC8O
Pump Alignment Band: https://amzn.to/2J13lNF
Universal Clutch Spring Compressor (Use in trans & drums): https://amzn.to/2YHQGn6
Adjustable Clutch Spring Compressor (Use with shop press): https://amzn.to/2W2DAQs
Universal Bushing Driver Kit (Larger Sizes): https://amzn.to/2M1aQHn
Universal Bushing Driver Kit (Smaller Sizes): https://amzn.to/2Et1ON3
Snap Ring Pliers (Clutch Spring Compressor Snap Ring): https://amzn.to/2GwwixP
Snap Ring Plier Set (Pump Circlip Snap Rings): https://amzn.to/2IUxpdu
Feeler Blades (Straight): https://amzn.to/3uwQTvi
Feeler Blades (Offset): https://amzn.to/3Y3ehy1
Pick Set: https://amzn.to/3F9ezL7
Pocket Screwdriver: https://amzn.to/3FfsCiC
5) TH400 Parts: 🔩
Overhaul Kit (Includes Bushing Kit, Bearing Kit, Bands, etc): https://amzn.to/2MhK4e7
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Band (Front) (Intermediate): https://amzn.to/2EpgZGU
Band (Rear) (Low/Reverse): https://amzn.to/2QjqpbN
Intermediate Sprag: https://amzn.to/2Er0gDg
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Bushings:
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Washer Kit: https://amzn.to/2QgjPmx
Governor Gear Kit: https://amzn.to/2WjQ7lU
Modulator (Red Stripe): https://amzn.to/2ErS99H
6) Shop Supplies: ✏️
Transmission Assembly Gel: https://amzn.to/2WrN7nT
Thread Locker: https://amzn.to/2YLtmFk
Brake Parts Cleaner: https://amzn.to/2HxQ1Pz



DISCLOSURE: 🕵
Links provided are affiliated links with the associated websites. While there is no extra cost to the purchaser, a small portion of the sale goes to support this YouTube channel.