Well, I had the pleasure of replacing the air filter and spark plugs on my Chevy Trailblazer yesterday. Let me tell you how I did it for those of you who don’t know.
First of all, the air filter is pretty easy, just take the 3 screws out on box on the left inside the hood. If you take the left box out, you will see your air filter.
Take the air filter out and don’t replace it yet if you are going to replace the spark plugs too.
For spark plugs, you will need to take off the center box piece by wrenching out 2 bolts and unscrewing the air intake piping an