I know this is a diesel forum, but I trust the knowledge here way more than other places...
I'm trying to replace cis injector o-rings on a 1.8l 16V. My question is about the 'insulators', or whatever they're called. I'm told they are NLA anywhere, and that it really doesn't matter if they're cracked, as long as the o-rings are doing their job. I have one that's cracked badly, and when I pulled that injector, the injector 'bucket', or 'cap', or 'tip', or whatever it's called actually fell down in the head, and I had to pull the intake mani to fish it out. This all sounds like gibberish, but I'm hoping some of you might know what I'm talking about...?