1. Gather Tools and Materials:
- New pickup coil
- Socket wrench set
- Screwdriver
- Pliers
- Replacement gasket (if needed)
2. Preparations:
- Park the vehicle on a level surface and turn off the engine.
- Engage the parking brake and allow the engine to cool down completely.
3. Locate the Pickup Coil:
- The pickup coil is usually located near the distributor.
- It's a cylindrical-shaped component with electrical wires connected to it.
4. Disconnect Battery:
- Disconnect the negative battery terminal to ensure electrical safety.
5. Remove Distributor Cap:
- Use a screwdriver to remove the screws or clips holding the distributor cap.
- Gently lift off the distributor cap.
6. Disconnect Ignition Coil Wires:
- Use pliers to disconnect the ignition coil wires from the distributor cap.
- Be careful not to damage the wires.
7. Remove Mounting Screws:
- Locate the mounting screws or bolts that secure the pickup coil to the distributor housing.
- Use a socket wrench to remove these screws or bolts.
8. Pull Out Old Pickup Coil:
- Gently pull out the old pickup coil from the distributor housing.
9. Inspect Housing and Gasket:
- Inspect the housing for any damage or corrosion.
- Replace the old gasket if necessary to ensure a good seal.
10. Insert New Coil:
- Position the new pickup coil inside the distributor housing.
- Press it firmly into place.
11. Reinstall Mounting Screws:
- Replace the mounting screws or bolts and tighten them securely.
12. Reconnect Wires:
- Reconnect the ignition coil wires to the new distributor cap.
13. Replace Distributor Cap:
- Gently place the distributor cap back onto the housing and secure it with screws or clips.
14. Reconnect Battery:
- Reconnect the negative battery terminal.
15. Test Function:
- Ensure all the connections are secure, and then start the vehicle to check for proper ignition.
16. Adjust Timing (Optional):
- If equipped with an adjustable ignition system, you may need to adjust the ignition timing using a timing light.
Remember to follow the vehicle-specific instructions and refer to a repair manual for precise details related to your 1993 GMC Suburban. If you're uncomfortable performing these steps or encounter any issues, it's best to seek professional assistance from a qualified mechanic.