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.
Spark Plug: Installation: 6.2L
Handle the spark plugs with care. Do not drop or force the spark plugs into the wells, damage to the electrodes or porcelain body may occur. Always start each spark plug by hand in order to avoid cross-threading the spark plug in the cylinder head.
Always tighten spark plugs to the specified torque. Too much or not enough torque will cause damage to the cylinder head or spark plug and may lead to poor engine performance.
- To avoid cross threading, start the spark plug(s) (1) into the cylinder head by hand.
- Tighten the spark plugs to the proper torque specifications. Refer to TORQUE SPECIFICATIONS
.
- Install the ignition coil(s). Refer to COIL, IGNITION, INSTALLATION .
- Install the engine cover.
- Connect negative battery cable.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.