Difficulty
Moderate
Steps
13
Time Required
15 - 30 minutes
Sections
2
- Opening the Hood
- 5 steps
- Spark Plugs
- 8 steps
Flags
1
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Back2003-2007 Honda Accord
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Introduction
What you need
Step 1
Opening the Hood
- 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.
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Step 2
- Pull the latch toward you to release the hood.
Pull the latch toward you to release the hood.
Step 3
- 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.
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 4
- Use your left hand to hold the hood up. Locate the hood stand and pull it out of the clip.
Use your left hand to hold the hood up. Locate the hood stand and pull it out of the clip.
Step 5
- Place the tip of the hood stand into the hole located in the upper left of the hood.
- Let the hood rest on the stand.
Place the tip of the hood stand into the hole located in the upper left of the hood.
Let the hood rest on the stand.
Step 6
Spark Plugs
- 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.
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 7
- Remove the spark plug wire by pinching the locking tabs on either side of it and pulling it out.
Remove the spark plug wire by pinching the locking tabs on either side of it and pulling it out.
Step 8
- Use a 10 mm hex driver or socket to remove the four spark plug boot screws.
Use a 10 mm hex driver or socket to remove the four spark plug boot screws.
Step 9
- Lift the boot screws out of the spark plug bores.
Lift the boot screws out of the spark plug bores.
Step 10
- 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.
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 11
- Pull the plug out of the bore.
Pull the plug out of the bore.
Step 12
- 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.
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 13
- 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.
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.
After reinstalling all four spark plugs, follow Steps 3-9 in reverse order to reattach the spark plug cover and close the car’s hood.
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Author
with 12 other contributors
Shaun MacDonald
Member since: 10/03/2012
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Team
Cal Poly, Team 24-27, Regan Fall 2012
Member of Cal Poly, Team 24-27, Regan Fall 2012
CPSU-REGAN-F12S24G27
4 Members
21 Guides authored
JOEL DENNIS - Oct 5, 2014
Reply
Great instructions! I was able to change them pretty quickly.
wingmaneh - May 27, 2016
Reply
First rule of thumb when changing spark plugs is to do it when the engine is cold. If you don’t have a torque wrench it’s ok, you can still tighten them properly. Easiest thing to do is put the new plug in the spark plug socket, attach the extension (8 or 10 in. is perfect) but not the ratchet. Thread the plug in until it is snug, then attach the ratchet to tighten. Most spark plug manufacturers put on the box (especially NGK) how much to tighten. Usually if the plug has no gasket, tighten 1/16 to 1/8 of a turn. If it has a gasket, tighten 1/2 to 2/3 of a turn. For an ‘05 Accord 4 cyl. they have a gasket.
Steve T - Oct 1, 2016
Reply
Thanks for the clear instructions & photos!
ssnider727 - Nov 8, 2016
Reply
I appreciate the thorough and precise instructions. I would add using anti-seize on new plug threads.
Ryan Roux - May 31, 2017
Reply
On an ‘05 Accord, are there any wires that need to be replaced at a regular interval?
