However, here's a general overview of the process; this is NOT a substitute for a proper repair manual:
Tools you will likely need:
* Socket set: Metric and possibly SAE, depending on your car's year.
* Wrench set: Similar to above.
* Ratchet: With extensions and possibly a universal joint for better access.
* Jack and jack stands: Essential for safety. Never work under a car supported only by a jack.
* Wheel chocks: To secure the car.
* Torque wrench: To tighten bolts to the manufacturer's specifications.
* Battery terminal cleaner/wrench: Recommended for safety and good electrical connections.
* Penetrating oil (PB Blaster, etc.): To help loosen stubborn bolts.
* Shop towels or rags: To clean up spills and keep things organized.
* New starter motor: Make sure you get the correct one for your car's year and engine.
General Steps (Consult your repair manual for specific details and torque specs):
1. Disconnect the battery: Always disconnect the negative (-) terminal first to prevent electrical shorts.
2. Access the starter: This is the most challenging part. On front-wheel-drive Cadillacs, the starter is often located on the engine's transmission bellhousing, tucked away and partially obscured by other components. You may need to remove some parts to gain access. This could include:
* Removal of various engine bay components: Things like air intake components, possibly some heat shields, and potentially even the exhaust system (parts of it).
* Partial removal of the intake manifold (rare but possible): This is a more complex undertaking.
* Removal of some transmission components (less common but possible): Consult your manual.
3. Disconnect the electrical connections: Once you have access to the starter, carefully disconnect the large positive (+) and small wire connections. Take pictures or note the positions if needed.
4. Remove the starter mounting bolts: These bolts usually hold the starter to the bellhousing. They can be difficult to reach, requiring extensions and possibly a universal joint on your ratchet. Use penetrating oil if the bolts are stubborn.
5. Remove the starter: Once the bolts are loose, carefully remove the starter. It may be heavy, so be prepared.
6. Install the new starter: Carefully align the new starter and install it in reverse order of removal. Tighten the mounting bolts to the manufacturer's specified torque.
7. Reconnect the electrical connections: Connect the electrical wires ensuring a secure and correct connection.
8. Reassemble everything: Carefully put everything back together that you removed to access the starter. Again, refer to your repair manual to ensure proper reassembly.
9. Reconnect the battery: Connect the positive (+) terminal first, then the negative (-).
10. Test the starter: Attempt to start the car. If it doesn't start, double-check all connections and steps.
Important Safety Precautions:
* Work in a well-ventilated area.
* Use jack stands, never rely on a jack alone.
* Disconnect the battery before starting any work.
* Wear safety glasses.
* Be careful of hot engine components.
* Refer to your repair manual frequently.
This is a complex procedure. If you're not comfortable with auto repair, it's strongly recommended to take your Cadillac to a qualified mechanic. Improperly installing the starter can lead to further damage or injury.