My parents have a 08 chevy trailblazer 4.2L LT. I have been tring to help fix for some time now. It just all of a sudden started over heating. Going down the road with the a/c on it will run at normal temp but when it sit and idle it will over heat by alot. It also boils over into the over flow...

I have a 2008 Trailblazer that needs a catalytic converter. I have read several posts on here about people having success with some after market converters like Mangaflow and Walker as far as not throwing the code again after being replaced. I also read others still had problems. These posts...

Hello!:undecided I'm in the process of buying a 2008 Trailblazer LT2 4.2L 4x4. The buyer has informed me that it won't come out of 2nd gear. I've priced rebuilt transmissions and found a builder that wants $1700 + including shipping to Dayton, Ohio. The issue is this, the truck sits 140 miles...

GOT MY 2008 TB BACK FROM THE DEALER. HAD BEEN GETTING A ROUGH IDLE MORE LIKE A STUMBLE WHEN SITTING AT A STOP. WENT THROUGH REPLACED PLUGS, NO CHANGE. I WOULD GET AN INTERMITTANT CODE FOR INSUFFICIENT SPARK ON THE #6 CYLINDER. I WENT OUT AND BOUGHT A NEW COIL AND PLACED IT ON THAT CYLINDER, NO...