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Now that you have all the spark plugs out you will grab your new spark plug and gap it to the correct amount, on average most cars are from 0.020 to 0.040. * look up exact spark plug gapping for your vehicle*. When gapping spark plugs you will insert the bottom part of the spark plug into the gapping tool.
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You will slide it from the lowest gap and slowly slide it up in number increasing the gap on your spark plug and stop on the recommended gap for your car. Once all spark plugs are gapped you will add a small amount of anti corrosion grease on the threads of the spark plug.
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Now that the spark plugs have anti corrosion grease you will now insert the new spark plugs into the hole where the old spark plugs were pulled out from.
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Once they are in you will get your ratchet with the 17mm socket and insert it back in the hole and place it onto the spark plug and begin to turn right to tighten the spark plug back into the engine block.
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Once the spark plug begins to feel tight you apply less and less pressure and stop when it no longer is easy to turn. Now you will grab our torque wrench and set it to the exact torque recommended for your vehicle. * on average it ranged from 5ft lb to 15ft lb * This will be repeated for all spark plugs.
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