How to replace valve cover gasket, plugs and serpentine belt?

SIXTY6GTO

MEMBER
2004 ACURA TSX
2.4L
4 CYL
2WD
AUTOMATIC
120,000 MILES

I want to replace the valve cover gasket on the vehicle listed above and I would like the step by step procedures including the torque values and exploded view diagram. Also, what seems to be the best replacement gasket set others always use?

I also want to replace the serpentine belt and spark plugs since the serpentine belt became oil soaked and the plugs are due to be changed. Thanks in advance.

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7 Replies

JACOBANDNICKOLAS

MECHANIC
109,747 POSTS

Hi,

If you look at the attachments below, the first ones are for the removal and replacement of the valve cover gasket. Now, if I recall correctly, from the factory, they came with a gasket maker and not an actual gasket. If you are able to get a gasket, go with something like a Fel-Pro.

As far as the spark plugs, there are no specific directions in the manual. However, once you remove the coil pack, you will need a socket and extension to reach down into the spark plug tube to remove it. It's straightforward. If you run into trouble, let me know. Also, pic 10 below provides the gap specifications for the plugs. Here is a video showing how it is done:

https://youtu.be/c9_NVXiwvYg

Last is the serpentine belt. The last pic below shows the directions for the removal and replacement of the belt.

Let me know if this helps or if you have other questions.

Take care,

Joe

See pics below.

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Sunday, March 27th, 2022 AT 6:28 PM

SIXTY6GTO

MEMBER
62 POSTS

Thanks Joe,

This should be exactly what I need. I ordered a Fel-Pro gasket already. Have you ever used that liquid gasket that the manual says to use? I want to use it since I am a firm believer in using what the manufacturer calls for. I love using Toyota FIPG on Toyotas. I want to use the Honda liquid gasket here on the TSX. Any particular insight you can comment on about those liquid gasket application areas since I haven't removed anything yet to see what is under there?

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Monday, March 28th, 2022 AT 9:26 PM

JACOBANDNICKOLAS

MECHANIC
109,747 POSTS

Hi,

I have used it with success. When you use it, make sure to follow the directions. If I recall, it will tell you to apply it and then finger tighten the bolts. After a given amount of time, you will then torque it tight.

Let me know if I can help in any way.

Take care,

Joe

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Tuesday, March 29th, 2022 AT 2:48 PM

SIXTY6GTO

MEMBER
62 POSTS

Hi Joe,

Thank you very much for your help. I completed the valve cover gasket and plugs replacement. I used the Honda liquid gasket bought from the dealer for about $38. I used the Fel-Pro kit and iridium NGK plugs. I wanted to post a few pictures to allow others to see what this repair is like. I used the hard plastic ring from the old spark plug tube seals to help press the new seals in from the Fel-Pro kit. I did it slowly and carefully so as not to damage the new seals for the spark plug tubes. Furthermore, I spent a lot of time making sure the valve cover channel and the head surface were very clean. In the picture I show a piece of wood, but I also used a rag to protect the new seal when installing. Once again, thank you very much!

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Monday, April 11th, 2022 AT 10:47 PM

JACOBANDNICKOLAS

MECHANIC
109,747 POSTS

Hi,

You did an excellent job! Are the leaks gone? Also, thank you for that update. It certainly will help others.

Please feel free to come back anytime in the future. You are always welcome here.

Take care,

Joe