I started hearing fan come on at what seemed like interesting times. Had taken in for oil change at dealer about a month before. About a month ago I was in a parking lot with engine on and hot light came on. I started driving and temp came down. Checked coolant next morning very low, added 1/2 gallon of coolant to max line. Now about a month later seems like it at min line. But it was after about a 10min drive. I will check again after engine cools.
This sounds like a head gasket, on startup or while running getting any smoke or anything?
Nothing
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Big tank. Little tank was slightly low and I actually overfilled. Level on it has not changed, still overfilled.
Does it matter that it is the supercharger reservoir that is overfilled amd.not the engine resovoir?
That is strange, I just went to my local dealership and had the oil changed and latest update. Now my fan comes on at the strangest times. That never happened before. I guess I had better check my coolant level.
I think our truck operates based on algorithmic data, with one of the key variables being the outside temperature. If you’re in an area where the weather is getting cooler, you may notice the fan running more often and at a higher volume. If you’re seeing it kick in more frequently, say every 2-4 intervals within a 10-minute span, I recommend checking your thermostat.
It was the radiator with mine. I was filling the reservoir up little by little before it started leaving a mark on driveway.Your most likely culprit is a cracked/separateing rad where the plastic tanks meet the metal core. I posted on this exact scenario in this thread.
Coolant leak
I noticed some fluid in my garage floor today and it was a purplish color. I also noticed an odd smell emanating from my truck when I would get clues to it. I figured itcwasxa coolant leak and opened the hood to see if anything was obvious and the reservoir had barely any coolant. I called the...
