Coolant usage

[Aurora40]

This is the second time my "low coolant" light has come on. However, that's over 3 years and 27k miles. Just wondering if anyone else has had that happen.

The sensor must be real high up in the reservoir, though, as each time it took about 8-12 ounces of coolant/water to bring it back to full. Not exactly a lot.

I think I'll change it when the weather warms up.

[Marc]

I got the low coolant warning only once in my 2001 4.0,
about a week after I got it 4 years ago. I added less than a pint, and it's been fine in that area ever since.


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GM!!! BRING BACK OLDS!!!

[Aurora40]

The first time mine came on was shortly after purchase too. Way to go on the PDI guys...

[rocketman]

40-

My '01 had the same issue. I eventually noticed a bad thermostat gasket which was replaced by the dealer under warranty. Keep a good look-out in that area!

[kobalt]

A friend that works at a local repair shop told me that dexcool has a tendency to literally dissapear. He said the majority of the time no leaks of any kind are found, yet most dexcool-running cars require a top-off. The problem is evidently so common that the shop made it a point to check the coolant level on any newer GM vehicle.

[20inchaurora]

my low collant light came on shortly after buying my 02 as well. opened up the resevoir to top it off...and sure enough...its not even dex-cool in it! the dealership had topped it off with some of that universal yellow crap, messed everything up..thank god for a warranty! to me its not that hard to just match red with red or green with green...but apparently to some people it is...-sigh-

[mission008]

same here I get that message too, but only when its cold out and only at start up. I'll have to check our the level i guess