cheesy Posted November 24, 2017 Report Share Posted November 24, 2017 I'm getting ready to do the electric and hydraulics diagnostics on the 48 Desoto transmission and need to know the test port thread size for the pressure gauge. Not seeing a reference in the service manual. I'm guessing it's not 1/4 NPT. Possibly 3/8 NPS or SAE? Thanks in advance. Quote Link to comment Share on other sites More sharing options...
Plymouthy Adams Posted November 24, 2017 Report Share Posted November 24, 2017 likely a 1/8 NPT....tubing is usually 3/8-24 Quote Link to comment Share on other sites More sharing options...
cheesy Posted November 25, 2017 Author Report Share Posted November 25, 2017 Thanks. Quote Link to comment Share on other sites More sharing options...
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