Allison Trans Temp

Mike L.

Got Sheep?
Staff member
Vendor/Sponsor
Aug 12, 2006
15,681
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Fullerton CA
The factory gauge uses a sensor on the pressure switch manifold and reads heat sink which is fairly accurate. Using a sensor in the pan to read fluid sump temps is more accurate. Using the latter method will always show 10 deg cooler because it doesn't read any heat sink.