Hey guys,
Today, I noticed that my engine temp shot up like a rocket on my way back from a plant to my main office.
I stopped and noticed there was very minimal coolant in my overflow tank.
I took off from work and stopped and got some coolant.
Poured about a 1/2 gallon into my overflow tank, so it was between the min & max lines. I wasn't 100% level but figured it would be golden.
Drove home, temps were good the entire time.
I got home on a more level surface, and my coolant level was back to where it was before I poured the coolant in!
I only drove about an hour (45 miles).
There is no white smoke, no coolant smells, and no coolant in the oil (no foam on the dipstick or the oil cap).
I topped off the overflow tank in the driveway and let the truck idle for a couple of minutes while i brought my daughter inside. It never moved.
There are no signs the head gasket is leaking either.
The top coolant tube is nice and squishy; no coolant leaks around the head either.
Where else should I check?
2012 with no performance mods and bone stock drivetrain.
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