Ok fella's whats the trick to remove line from rear of intake manifold?

Upon futher inspection and O-ring replacement, is the oil in lower IMT sensor hole normal? If not what would cause that much oil in there? 2nd photo

 

To answer the first question, I believe you push down on the black collar, pull up on the line.

Second question you'll need a Tech to let you know how much (a trace probably) would be expected or acceptable.

 

Sorry to kick up this very old post, but I am having the same question regarding the vacuum line.

What is the trick to remove the line? I am afraid to pull to much or hard that I would break the line. I looked at the reply and don't think it applies.

 

Nevermind, I found this post that tells you how:

https://www.jaguarforums.com/forum/s...92/#post287688