Bypass Thermostat Assembly Overview
1 - Spring Bracket
2 - Housing Lower Section
- Pay attention to the installed position: the arrow points to the ATF cooler
3 - Operating Element
4 - Spring
5 - O-ring
6 - Housing Upper Section
Checking Bypass Thermostat
-- Remove the operating element -3- and warm it up in hot water.
Opening begins: approximately 75 °C (167 °F)
Opening ends: approximately 85 °C (185 °F)
Opening travel: approximately 5 mm