Approx labour hours for fix?

[Tucker2]

I replaced all six of my spark plug tubes in about two hours. If I were to do it again, it would probably be an hour to hour and a half.

Seeing you have to unbolt the coils to do this....I would say the job should be a MAX of two hours from an experienced Shop. Likely less.

BTW....your tubes are likely fine. I saved myself a small amount of $$$$$ and re-used the tubes and just replaced the two gaskets on each tube. Obviously each tube needs to be inspected for cracks/damage....but they were all fine for me and it very much did fix the leaks I was having.