2003-2007 Honda Accord Spark Plugs Replacement

Step 1

Repair step

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• Locate the hood latch beside the driver's side door, next to the left foot rest.
• Pull the latch toward you to release the hood.

Step 2

Repair step

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• Walk around to the front of the vehicle.
• Slide your hand under the hood, directly above the Honda emblem. Locate and pull the hood tab to unlock the hood.
• Once the tab is released, lift the hood up.

Step 3

Repair step

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• Use your left hand to hold the hood up. Locate the hood stand and pull it out of the clip.
• Place the tip of the hood stand into the hole located in the upper left of the hood.
• You can now let the hood rest on the stand.

Step 4

Repair step

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• Use a 10 mm hex driver or socket to remove the four screws that hold the spark plug cover in place.
• Lift the plastic cover and set it aside.

Step 5

Repair step

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• Remove the spark plug wire by pinching the locking tabs on either side of it and pulling it out.

Step 6

Repair step

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• Use a 10 mm hex driver or socket to remove the four spark plug boot screws.

Step 7

Repair step

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• Lift the boot screws out of the spark plug bores.

Step 8

Repair step

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• Locate the spark plug at the bottom of the bore.
• Use a ratchet, extension, and 5/8 inch socket to remove the plug by turning counterclockwise until it's free.

Step 9

Repair step

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• Pull the plug out of the bore.

Step 10

Repair step

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• Determine if the spark plug needs to be replaced by examining the gap for the problems listed below:
• The gap is bridged by corrosion.
• The gap is too large.
• The area around the gap is black and dark.

Step 11

Repair step

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• If the spark plug doesn't need to be replaced, return it to the spark plug bore. If it does need to be replaced, use a new one.
• Use of Anti-Seize on the thread of spark plug is highly recommended to ensure threads don't get damaged while tightening.
• Use a ratchet, extension, and 5/8 inch socket to tighten the spark plug by turning clockwise. Use your hand to tighten as well.
• If a torque wrench is available, tighten to 13 ft-lbs.
• Repeat Steps 10-13 for the three remaining spark plugs.