Hello,
In order to replace those spark plugs, you will have to remove the upper intake manifold.
This will allow access to them.
https://www.2carpros.com/articles/replace-intake-manifold-gasket
I have attached the removal process for the upper intake manifold below.
Please let me know if you have any questions.
Thank you.
Images (Click to enlarge)
Jan 29, 2022 at 11:51 AM