Quote Originally Posted by avguy View Post
Did you buy this Aveo new? What I'm really asking is do you know the history of it? The '04 was prone to early timing belt breaks. Another big problem is the POS plastic thermostat housing which has caused numerous overheats for Aveo owners. If you don't know the history of your Aveo (or had one of those 2 problems), you might consider a doing a compression or leak-down test (which hopefully will show nothing wrong).
I've had it for about 8 years, and it belonged to my brother-in-law prior to that.
I replaced the head about a year ago due to the infamous timing belt, and the thermostat housing was replaced not too long after following a wonderful coolant geyser.