Re: Fair? Not fair? Cracked sleeve...
I believe the aluminum head has steel spark plug inserts and the issue is that the plug was seized into that resulting in damage to that "sleeve" and not the cyllinder sleeve itself.
Originally Posted by 67jeepsterguy
I had a plug seized years ago in a different engine but the results were similar... the head going to the machinist.
I've heard different arguments over the years about whether or not to use anti-seize when installing new plugs. I'd make sure the shop follows the Jeep service manual's recommendation to try and keep from having a repeat experience.
'06 Rubi LJ, mostly stock except for lift, 35s, armor, blah, blah, blah.