Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1990 Geo Tracker L4-1590cc 1.6LFACTORY OEM SERVICE PROCEDURE
Ignition Cable: Service and Repair
Spark Plug Wiring:
REMOVAL:
1. Disconnect the negative (-) cable.
2. Remove the spark plug wires from the spark plugs by gripping boot firmly. Turn the boot one half turn when removing the wire.
3. Remove the distributor clamp by undoing the 2 clamps.
NOTE: DO NOT attempt to remove the spark plug wire by pulling on it. Pull and twist the wire boot only.
4. Remove the wires from the valve cover mounted wire guide.
5. Remove the coil wire from the coil and the center of distributor terminal.
NOTE: If possible, leave the spark plug wire guides attached to the wires. This will aid in proper re-installation of the wires.
INSTALLATION:
1. Install the distributor cap and attach with clamps.
2. Install the coil wire to the coil.
3. Install the spark plug wires to the valve cover mounted guide.
4. Install the spark plug wires to the spark plugs by pressing the boots firmly onto the plugs.
5. Connect the negative (-) battery cable.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.