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Discussion Starter #1
Good afternoon,

I have a 2007 Odyssey EX-L with 203K miles on it. I think it is time to replace the Valve cover Gaskets. I looked at several threads in this forum but did not exactly found the answer to my questions. My first question is;
1- In respect to the parts needed for this job is this Kit all I need?
Or do I need to replace more parts?
2- I hared it is a pain to get to the rear valve cover at the firewall, any suggestions to make it easier?
- If I want the Original Honda parts, any one has the part number? The Honda catalog is very confusing and does not exactly say in detail which parts are included in the package and for instance only for the front side it asks $185 and the same for the firewall side?!

Any suggestions greatly appreciated.
Thank you
 

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I’d be leery of buying these gaskets on Amazon.
See what Rock Auto has, or better yet check out Majestic or Bernardi for genuine Honda gaskets.
I think you just need the valve cover gaskets and the spark plug tube gaskets plus some Honda Bond sealant.
 

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Discussion Starter #3

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I found this on Honda Original Parts;
My question is; Do I need 2 of these sets? One for the front and one for the back? Are the front and back the same size gaskets? I don't mind paying more to get original parts.
Thank you
No, that is the head gasket. You need valve cover gasket. Below is the link to rockauto.com to the valve cover gasket section. Scroll down the bottom and select MAHLE VS50428 . That should take care of your front and rear covers plus sparkplug. For an even a better deal, use the discount code here at rockauto checkout.
5% Discount Code: 046EE998F7906C
Expires: February 12, 2021


 

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Discussion Starter #5
No, that is the head gasket. You need valve cover gasket. Below is the link to rockauto.com to the valve cover gasket section. Scroll down the bottom and select MAHLE VS50428 . That should take care of your front and rear covers plus sparkplug. For an even a better deal, use the discount code here at rockauto checkout.
5% Discount Code: 046EE998F7906C
Expires: February 12, 2021


Thank you very much.
Do I still need the Hondabond silicone Sealant?
 

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You can get Honda bond or any form in place gasket (FIPG). You only need it in several areas where the gasket makes 90 degree turns.

As for the gasket I use the Mahle brand. It seems to work fine.

Getting the proper torque is very important when you install the gasket back on.

YouTube is your friend here. Watch as many video as you can to see how others done it.

Las the rear back is definitely a pain. But If you push the wire harness up and back it should let you pull the cover off
 

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Keep in mind that the LX and EX models (without VCM) use a different rear gasket than the VCM models. Your EX-L has VCM. I think the non-VCM rear gasket is the same as the front, whereas the VCM rear gasket is unique. Make sure you buy the right one. I wouldn't have any qualms buying a reputable brand like Fel-Pro, Mahle, or others from RockAuto, but I suppose the OEM ones aren't much more.

Lastly, you should really consider performing a valve adjustment at 203K while you have the valve cover gaskets off.
 

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I just did this job on a 2005 EXL with VCM. I used Rock Auto stuff (SEE PICS). I also replaced the spark plugs (NGK 1ZFR5K11), vvt/vtec gaskets (NAPA NOE 91702681), front and rear cam shaft end cover gaskets (Honda OEM 91301-P8A-A00), and adjusted the valves.

Also, if your van is like mine and the coil connector tabs break off. I bought those off of Amazon (currently unavailable from the seller I bought from) and they were super easy to swap out without repinning the wires. See pic.


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The plenum cover gasket could be different on the 2007. Anyway, rockauto will have apex and beck arnley like I used for the 2007 valve covers and plenum. They were very good quality. Verify all numbers are same for 2007 if you go that route.

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I also opted to use TOYOTA FIPG for the corners on the rear valve cover gaskets by the VVT/vtec solenoid.

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Get yourself a 1/4 inch clicker torque wrench like this from Harbor Freight. Often on sale for ~ $10. Overcomes tendency to overtighten.

And that Toyota FIPG is good stuff among RTVs and the like.
 

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Get yourself a 1/4 inch clicker torque wrench like this from Harbor Freight. Often on sale for ~ $10. Overcomes tendency to overtighten.

And that Toyota FIPG is good stuff among RTVs and the like.
Yes, 3/8 is too large to get accurate readings on the valve cover bolts because you will be at the bottom of the scale. Torque wrenches are usually accurate withing a percentage of FULL SCALE. In other words, it's best to be on the upper end of the scale of those types of torque wrenches. Also, you can get the torque procedure and order by doing a google image search.

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Discussion Starter #14
Speaking of Torque wrench and torque specs.
There are many different torque specs and patterns on Honda forums about the Valve cover and Intake manifold / Plenum bolts.
I appreciate if some one who did this most recently would tell me the pattern and torque specs on the Valve cover and also on the intake manifold plenum cover bolts.
Thank you very much
 

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Discussion Starter #15
The plenum cover gasket could be different on the 2007. Anyway, rockauto will have apex and beck arnley like I used for the 2007 valve covers and plenum. They were very good quality. Verify all numbers are same for 2007 if you go that route.

Sent from my moto g(7) power using Tapatalk
Was the middle section gasket also included in that package? I'm talking about the straight and long gasket that sits in the middle of the Plenum cover and sits a little lower than the gasket that goes all around.
Thank you
 

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Discussion Starter #16
I just did this job on a 2005 EXL with VCM. I used Rock Auto stuff (SEE PICS). I also replaced the spark plugs (NGK 1ZFR5K11), vvt/vtec gaskets (NAPA NOE 91702681), front and rear cam shaft end cover gaskets (Honda OEM 91301-P8A-A00), and adjusted the valves.

Also, if your van is like mine and the coil connector tabs break off. I bought those off of Amazon (currently unavailable from the seller I bought from) and they were super easy to swap out without repinning the wires. See pic.


Sent from my moto g(7) power using Tapatalk
I found this clip on youtube;
Is this the Camshaft end cover gasket you are talking about? Is this the front one or the rear one? By the way, I have a 2007 Odyssey EX-L
Thank you
 

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Was the middle section gasket also included in that package? I'm talking about the straight and long gasket that sits in the middle of the Plenum cover and sits a little lower than the gasket that goes all around.
Thank you
No, I reused the old one. Probably a Honda part.

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Discussion Starter #20 (Edited)
One more question regarding Valve adjustment;
When I want to manually turn the engine from the passenger side with a long wrench in order to get the valves on each cylinder adjusted, does the gear shifter on the car need to be in neutral position?
Any other recommendations in respect to the valve adjustment is greatly appreciated.
Thank you
 
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