TRNW-2: Tundra's Thermal Bypass AB60

Brett Karulak brettsb16a2 at gmail.com
Mon Dec 1 08:18:29 PST 2025


Do any of you leave a cotter pin in the thermal bypass to keep the fluid
always flowing to the cooler?  Not sure if it causes any problems and I
assume by pushing the valve in and installing a pin to hold it that it
bypasses the thermal valve and always flows. This is on a 2010 Tundra.

Thank you,
Brett
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