Transmission coolers

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(TH350)
 
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==Transmission case fitting threads==
 
==Transmission case fitting threads==
===TH350===
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===T-350===
The threaded case port on the TH350 is either a female 1/4-18 NPSM (National Pipe Straight Mechanical) thread, and it uses a metal washer/seal. The straight thread fitting is the most common.
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The threaded case port on the T-350 is either a female 1/4-18 NPSM (National Pipe Straight Mechanical) thread, and it uses a metal washer/seal. The straight thread fitting is the most common.
  
 
Or it will be a 1/4-18 NPT (National Pipe Tapered) thread.  
 
Or it will be a 1/4-18 NPT (National Pipe Tapered) thread.  
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There are also fittings to use AN cooler lines from the case (see photo below).
 
There are also fittings to use AN cooler lines from the case (see photo below).
  
[[File:An fittings th350.jpg]]
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===T-400===
 
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===TH400===
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==Fitting to case torque==
 
==Fitting to case torque==
  
===TH350===
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===T-350===
 
*Straight fitting to transmission case is 20-25 ft/lb
 
*Straight fitting to transmission case is 20-25 ft/lb
 
*Tapered fitting to transmission case is 15 ft/lb.
 
*Tapered fitting to transmission case is 15 ft/lb.
  
===TH400===
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===T-400===
*TH400 fitting to transmission case is 28 ft/lb.
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*T-400 fitting to transmission case is 28 ft/lb.
  
 
==Direction of flow==
 
==Direction of flow==
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So- OUT the bottom, IN the top.
 
So- OUT the bottom, IN the top.
  
{{Note1}}All except TH200C and TH2004R- which are opposite of the above.
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{{Note1}}All except T-200C and 2004R- which are opposite of the above.
  
 
==Cooler line routing==
 
==Cooler line routing==

Latest revision as of 19:20, 6 November 2023

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