How to Remove and Install Spark Plugs for Mazda 6?
2 Answers
Mazda 6 spark plug removal and installation method: 1. Remove the engine cover and unscrew the fixing screw of the high-voltage wire terminal; 2. Remove the high-voltage wire terminal, loosen the spark plug, insert the soft tube on the high-voltage wire terminal into the combustion chamber, and pull out the spark plug; 3. Align the new spark plug with the screw hole and tighten it with tools. The Mazda 6 is a mid-size car with a body size of 4670mm in length, 1780mm in width, 1435mm in height, a wheelbase of 2675mm, and a fuel tank capacity of 64L. It is equipped with a 2.0L naturally aspirated engine with a maximum power of 108kW.
I've replaced the spark plugs on a Mazda6 several times, and the basic steps are as follows: First, make sure the engine is completely cold—it's best to wait five or six hours after parking before starting, otherwise there's a high risk of burns. Open the hood and locate the ignition coil position; there are usually securing screws or clips under the cover—carefully unscrew them without damaging anything. Then, unplug the connectors of the ignition coils one by one, remembering the order to avoid misalignment during reinstallation. Use a dedicated spark plug socket wrench to slowly loosen and remove the spark plugs by turning counterclockwise, applying force straight to prevent the ceramic from cracking. After removing the old spark plugs, check the installation holes to ensure no dust or debris falls in, and cover them with a cloth or tissue. Before installing the new spark plugs, apply some anti-seize lubricant to reduce friction, then hand-tighten them into the hole until snug, and finally use a torque wrench to secure them to around 20-25Nm—avoid over-tightening. Finally, reconnect all the connectors and ignition coils, close the hood, and start the engine to test—smooth ignition means success. Doing it yourself saves a few hundred in labor costs, but you'll need all the right tools, such as a socket, extension bar, and torque wrench.
