How many times have you heard of a blown head gasket? Probably umpteen times if you are a motor head. Most car owners dread the three words because a blown head gasket is not only expensive, but it also takes countless hours to repair. A common culprit for this type of problem is the improper installation of head bolts. As the primary elements connecting the engine block, head gasket and cylinder head, the installation of head bolts need a careful approach.