I have a 09 SS/TC build date is 8/08 44,000 miles I bought an extented warrenty 7 years 75000miles GMS1, K&N intake, ZZP catted down pipe and forge by pass valve. Last week had a low coolant light come on, checked the coolant it was a little low like a quarter inch so I fiiled it up. I then got really nervous cause a came on here and read about the cracked blocks, so I took my car to the dealer they had it for about a day and a half nothing wrong with it. Im still nervous about it because I track my car and I was about to spend a good bit of money on forgestar f14, yyz springs, koni shocks front and back and XXX bar. I dont know what I want to do now buy all the stuff and wait for the block to go or just trade it in on something else. Any help would be great.

 

so because you have a slight leak, you want to trade it in?

 

If you had the porous block issue, it would have been a much larger problem already. Keep an eye on it, and go from there, if the coolant gets low again.

 

When I bought my HHR with 21k miles the coolant was almost empty, added some and it hasnt gone down and im at 37k miles now.

 

A plastic reservoir filled with a liquid that can evaporate has lost 1/4 inch since 2008. Fail to see the problem. Come see us if it does it again in a (significantly) shorter time span.