General Motors transmissions

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(TH700R4 (4L60))
(TH350 adapters)
Line 1,585: Line 1,585:
 
*Bottom line of the transmission = out '''''to''''' the cooler
 
*Bottom line of the transmission = out '''''to''''' the cooler
  
===TH350 adapters===
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===T-350 adapters===
GM uses an adapter which threads into the case cooler ports and is sealed with a washer. The adapter converts the thread to inverted flare for hard line usage. The cooler ports on the TH350 are usually a female 1/4"-18 NPSM (National Pipe Straight Mechanical (NPSM)) and use a metal washer/seal. The NPSM threads will fit a NPT (tapered) fitting, but if a tapered fitting is to be used, be careful to not over tighten it.
+
GM uses an adapter which threads into the case cooler ports and is sealed with a washer. The adapter converts the thread to inverted flare for hard line usage. The cooler ports on the T-350 are usually a female 1/4"-18 NPSM (National Pipe Straight Mechanical (NPSM)) and use a metal washer/seal. The NPSM threads will fit a NPT (tapered) fitting, but if a tapered fitting is to be used, be careful to not over tighten it.
  
 
===TH350 fitting torque values===
 
===TH350 fitting torque values===

Revision as of 17:53, 8 December 2023

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