* Mechanic's skill and experience: A seasoned mechanic will be significantly faster than someone tackling the job for the first time.
* Vehicle's condition: Rust, seized bolts, or other pre-existing issues can add considerable time.
* Access: The Venture's engine bay might present challenges depending on its condition and the mechanic's tooling.
* Specific engine: The Venture came with different engines (3.1L or 3.4L V6), and each might have slight variations affecting repair time.
* Thoroughness: A meticulous job that includes extra cleaning, inspection, and preventative maintenance will take longer.
A professional mechanic might estimate 15-25 hours for this job, potentially more if complications arise. A novice could easily spend twice that amount of time, or even abandon the project due to unforeseen difficulties. This is a very involved and complex repair, not a simple weekend project.