I'd like to know how to replace the intake monifold gasket on my 2001 nissan altima, I've heard someone saying that one doesn't need to take the head out but I've heard people saying that you do, and I know this is two pieces, so I'd like to know if I have to take out in two pieces or if it has to...

I have a 2002 Chevy Blazer which needs an Intake Gasket replaced I am asking what I should expect to pay at a local professional garage/

I need to have the head gasket repaired on this car, and have received an estimate of over $1500, including over 10 hours of labor. I looked online and found that the part itself costs only $12-$55. (Car has 80000 miles) What is a reasonable charge to perform this repair?

Why won't our Altima start with a blown head gasket? We want to try to fix it ourselves, but are confused as to why it won't start? Would like to confirm my idea why before I start tearing it apart! Any ideas?