Forum Discussion

maillemaker's avatar
maillemaker
Explorer
Jun 16, 2018

Can I install this temp sensor in Ford E40D test port?

Hi all, I would like to know if it would be safe to install this 1/8" NPT temperature sensor probe in the test port of my 1990 E40D transmission with it's longer "nose", or if I need to get a port ...
RLS7201's avatar
RLS7201
Explorer II
Jun 17, 2018
The best way to monitor transmission temperature is the fluid line leaving the transmission. Which comes from the torque converter. That way you see the hottest fluid.
On your E4OD that is the front line on the right side.Picture of sensor in hot line.

Richard

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