Introduction

Step by step, how to replace spark plugs on a 2004 Acura TSX.

It's recommended that you change your plugs every 30,000 miles

Locate the hood latch beside the driver's side door, right next to the left foot rest.
  • Locate the hood latch beside the driver's side door, right next to the left foot rest.

  • Pull the latch, should here a pop noise to know the hood has unlatched.

  • Walk in front of the car, reach your hand under the front of the hood to locate the latch.

  • Prop the latch and locate the spark plug cover.

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Remove the cover where the Spark Plugs are located Use a 10 mm hex driver or socket to remove the four screws that hold the spark plug cover in place
  • Remove the cover where the Spark Plugs are located

  • Use a 10 mm hex driver or socket to remove the four screws that hold the spark plug cover in place

  • Follow the Green circles

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Use a 10 mm hex driver or socket to remove the four screws that are holding the Spark Plug wires in place. Remove the spark plug wire by pinching the locking tabs on either side of it and pulling it out.
  • Use a 10 mm hex driver or socket to remove the four screws that are holding the Spark Plug wires in place.

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

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Once clips are removed, Pull the remove the Ignition Coil out and place them in order the way you have pulled them out.
  • Once clips are removed,

  • Pull the remove the Ignition Coil out and place them in order the way you have pulled them out.

  • You should see 4 holes where the spark plugs are located.

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Locate the spark plug at the bottom of the bore. Use a ratchet, extension, and 5/8 socket to remove the plug by turning counterclockwise until it's free. You can use a spark plug socket for an easier removal.
  • Locate the spark plug at the bottom of the bore.

  • Use a ratchet, extension, and 5/8 socket to remove the plug by turning counterclockwise until it's free.

  • You can use a spark plug socket for an easier removal.

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Pull the plug out of the bore.
  • Pull the plug out of the bore.

  • Use a ratchet, extension, and 5/8 socket to remove the plug by turning counterclockwise until it's free.

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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.
  • 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.

  • 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 a ratchet, extension, and 5/8 socket to tighten the spark plug by turning clockwise. Use your hand to tighten as well.

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If you don't want to purchase a spark plug socket. you can use a regular 16 hex mm socket.
  • If you don't want to purchase a spark plug socket.

  • you can use a regular 16 hex mm socket.

  • Have a magnetic extension pen to gently connect the spark plugs and remove it out the bore.

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Repeat steps from 6-8 removing each plugs and checking if they are bad.
  • Repeat steps from 6-8 removing each plugs and checking if they are bad.

  • Once you double check each spark plugs. Reverse steps and make sure bolts are tight and spark plug wires are snapped in perfectly.

  • You have completed Spark plugs removal for Acura TSX.

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Conclusion

After reinstalling all 4 spark plugs, follow steps 1-4 in reverse order and reattach the spark plug cover and close the hood.

General's Automotives

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