2012 XC60 High Temp warning
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2012 XC60 High Temp warning
My XC60 has been a great ride for several years, but last weekend I got a High Temp alert on the dash. It went from warning to alert to pull over and stop. I checked the coolant level in the overflow tank and it was maybe 16 ounces low. I topped it off and next time I was driving the alert came back. Coolant level was down a little again and I looked for a leak- none found around thermostat, radiator or water pump.
The only wet spot I found was at the overflow tank and I thought it was from spilling a little when adding coolant. I was able to drive to the auto parts store and use their OBD2 scanner to check for probable causes. There are no DTC codes at all. Engine temp on a warm engine was at 242F.
Before I just start throwing parts at it ($$$) I would like to pinpoint the cause and fix it right the first time. Anyone have suggestions?
Update- the XC60 is a 2012 with the 3.2 inline 6 and it has 170,000 miles on it.
The only wet spot I found was at the overflow tank and I thought it was from spilling a little when adding coolant. I was able to drive to the auto parts store and use their OBD2 scanner to check for probable causes. There are no DTC codes at all. Engine temp on a warm engine was at 242F.
Before I just start throwing parts at it ($$$) I would like to pinpoint the cause and fix it right the first time. Anyone have suggestions?
Update- the XC60 is a 2012 with the 3.2 inline 6 and it has 170,000 miles on it.
Senior Member
Joined: Jul 2020
Posts: 5,113
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From: GA
A common problem with the I6 - is the thermostat breaks - and gets stuck closed -
About 91/2 minutes into this video - the broken thermostat is shown.
https://www.google.com/search?q=brok...olcYDmM5w,st:0
About 91/2 minutes into this video - the broken thermostat is shown.
https://www.google.com/search?q=brok...olcYDmM5w,st:0
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