Spark plugs that haven't been changed for a long time can become one with the cylinder head. Fortunately, it's possible to repair damaged threads instead of scrapping the head. (Photograph by Chris ...

A bloody hand streaks through the air, discharging the offending 1/2-inch-drive ratchet into an excursion through the garage wall. The only thing more piercing than the pain is the howl of agony that ...

Before you undertake any of this work, re-read the article "Deciding if you should do the job yourself," and if your vehicle fits even one of those descriptions, don't try to do the work in this ...