Top 5 most common installation problem

Trying to change plugs on newer and some older front wheel drive cars. If u got a four cylinder ur ok but anything above a 4clinder watch out. Got to remove wish bone and still squeze a wrench down into the plug hole. Had easier time replacing oil pan for 96.V6 Berretta. Speaking of that triing to get dang wrench down onto belt aduster. About 1 1/2. Whats that? Hope thats what kind of info ur looking for. I'll add onlater, just got to think a little. We've all said this a time or two" If I get my hands on the Genius that came up with this@&%#$&@%# "