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.
2006 Cadillac STS VFACTORY OEM SERVICE PROCEDURE
Ignition System Specifications
Ignition System Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Ignition Type | Module/Coil Per Cylinder | |
| Firing Order | 1-2-7-3-4-5-6-8 | |
| Spark Plug Torque | 15N.m | 11 lb ft |
| Spark Plug Gap | 1.02 mm | 0.040 in |
| Spark Plug Type | GM 12592619 | |
| Initial spark plug torque on a new cylinder head is 20 N.m (15 lb ft) | ||
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
