Originally Posted by s1marks
Like JVB says, tap it in as EVENLY as possible. Once it gets off kilter it is a little shit. When I did this a few weeks ago, I broke the glass on the first new one I tried to fit, it got wonky and I just couldn't straighten it out (they are glass and not plastic any longer btw).
Remember, EVEN + take your time. do it right. not quick.
mine blew out in colorado a couple months ago. i also broke the first i put in. its a little bitch. put a second one in and it was seeping so i said f it and brought it to the dealer to reapair. they also replaced some o ring by the sparkplug the said was leaking. i dunno. i carry an extra one with me now.