Coolant is dropping everyday.

Asked by Michael Jun 30, 2020 at 11:02 PM about the 2016 Toyota Tundra SR5 Double Cab 4.6L

Question type: Maintenance & Repair

My coolant has been dropping everyday. I just
bought the truck a week ago and no visible leaks.
However there does seem to be some coolant
residue from a different time thats running down
the fan. No leaking from the water pump,
thermostat is good, and the gauge is reading
normal. No overheating whatsoever and im getting
16-17 mpg. The coolant will drop only after I drive
it. Ive filled it up twice in the past 4 days and I
checked it again tonight and its at the bottom of
the fill tank. The cap is on tight and can see the
level rise and fall when I put the cap on so i know
there is pressure. Is there something im missing?

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