* Short, Wobbly Extension & Universal Joint: This is the most common attempt. You'll need a socket that fits the bolt, a short extension (as long as it can be without interference), and a universal joint to allow for the awkward angle. Expect to wrestle with it. The universal joint helps compensate for the misalignment between the bolt and the socket.
* Socket with Swivel: A swivel socket allows for greater flexibility than a standard universal joint. This can be a worthwhile investment if you do a lot of this type of work.
* Impact Wrench (with caution): An impact wrench *might* help break the bolt loose, but use it very carefully. The added force could easily damage surrounding components. Use the lowest setting possible and be prepared to stop if you feel excessive resistance or binding.
* Removal of Related Components: This is often the most effective but time-consuming method. It might involve partially removing the exhaust manifold or other components to gain better access and maneuverability for your socket and wrench. A shop manual will detail what needs to be removed to access the bolt easily. This might include removing the power steering pump or other things near the starter.
* Different Socket Types: Experiment with different socket types (deep well, shallow well) to find one that fits the best.
Before you start:
* Consult a repair manual: A shop manual specific to your 1990 Lincoln Mark VII is invaluable. It will show you exactly where the bolt is and give you the torque specifications for tightening it back up.
* Penetrating Oil: Apply a good penetrating oil (like PB Blaster) to the bolt several hours or even overnight before attempting removal. This helps break down rust and corrosion.
* Safety First: Always disconnect the negative battery cable before working on any electrical component.
In short: Prepare for it to be a struggle. Patience, the right tools, and penetrating oil are your best allies. If you are uncomfortable working on this yourself, a mechanic will have the expertise and tools to remove the bolt quickly and safely.
