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.
2000 Saturn LS1 L4-2.2L VIN FFACTORY OEM SERVICE PROCEDURE
Spark Plug: Service and Repair
REMOVAL
1. Turn ignition Off.
2. Disconnect electrical connector at the electronic ignition module.
3. Remove bolts from EI module/coil assembly and remove.
IMPORTANT: Before removing the spark plugs, make sure water and other debris is blown off.
4. Remove spark plugs using a spark plug socket.
INSTALLATION
1. Set spark plug gap to 0.045 in.
IMPORTANT: Always coat spark plug threads with anti-seize compound before installation.
2. Install spark plugs.
Torque: 20 N.m (15 ft-lbs)
3. Apply dielectric lubricant to spark plug boots.
4. Install EI module/coil assembly and bolts to cam cover.
Torque: 10 N.m (89 in-lbs)
5. Connect the electrical connector to the electronic ignition module.
1. Turn ignition Off.
2. Disconnect electrical connector at the electronic ignition module.
3. Remove bolts from EI module/coil assembly and remove.
IMPORTANT: Before removing the spark plugs, make sure water and other debris is blown off.
4. Remove spark plugs using a spark plug socket.
INSTALLATION
1. Set spark plug gap to 0.045 in.
IMPORTANT: Always coat spark plug threads with anti-seize compound before installation.
2. Install spark plugs.
Torque: 20 N.m (15 ft-lbs)
3. Apply dielectric lubricant to spark plug boots.
4. Install EI module/coil assembly and bolts to cam cover.
Torque: 10 N.m (89 in-lbs)
5. Connect the electrical connector to the electronic ignition module.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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