Hi,
These are very basic. There will be one bolt that holds the dipstick tube on the engine. Remove it and then gently remove the tube. At the bottom is an o-ring. Either the o-ring is bad or there is a hole in it from rust or damage.
Because of the model year, I don't have a pic of it. However, I attached a pic below of a newer one. The pic shows a portion of the tube. I put a red line from the dipstick tube to approximately where it would go.
I found a pic online of a tube. I highlighted where the bolt would go and the o-ring. In the pic, they didn't use an o-ring. However, and it's been awhile, but I believe that is what is on your vehicle.
Honestly, this isn't too difficult to do. More than anything, space will be an issue.
Let me know what I can do to help or if you have other questions.
Take care and God Bless.
Joe
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Tuesday, February 2nd, 2021 AT 6:44 PM