Honda/Acura 2.4L K24 P2646 VTEC Spool Valve (Solenoid) 3 Easy Steps - Permanent Fix

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Hello RU-vid,
We are working on our 2005 Honda Element today. This car uses the K24 engine found in several Honda/Acura vehicles:
2003-2007 Accord
2002-2009 CR-V
2002-2005 Civic
2003-2011 Element
2002-2006 Acura RSX
We walk you through (3) simple steps to permanently eliminate the P2646 Rocker Arm fault you are getting on your Honda/Acura. This is a common issue, especially on older mileage cars. You are either low on oil, the VTEC screens are dirty/clogged or your Spool Valve (Solenoid) is faulty.
Below you will find the parts list if you need to replace anything when doing this repair.
Parts List:
Honda 15845-RAA-A01 Filter Assy., VTC
www.hondapartsnow.com/genuine...
Honda 15815-RAA-A02 Filter Assy., Spool Valve
www.hondapartsnow.com/genuine...
Honda 15810-RAA-A03 Valve Assembly, Spool
www.hondapartsnow.com/genuine...
Honda 15400-PLM-A02 - Oil Filter
www.hondapartsnow.com/genuine...
Liqui Moly Flush
www.fcpeuro.com/products/pro-...
Tool List:
Service Ramps
10mm socket
12mm socket
12mm deep socket
14mm ratcheting wrench
19mm wrench (cheater)
5w-20 or 5w-30 oil (up to 5.6 qts)
Oil Filter
Torque Wrench
Enjoy the Video!!!
Cheers!
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TikTok - / bradleysgarage
If you liked the video, remember to give it a "thumbs up" and consider subscribing. Thanks again for hanging out!
#honda #vtec #solenoid
Disclaimer:
Due to factors beyond the control of BradleysGarage, we cannot guarantee against improper use or unauthorized modifications of this information. BradleysGarage assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. BradleysGarage recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of BradleysGarage, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not BradleysGarage.
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License code: I4XBBZ1RZKZLNWHY

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1 янв 2024

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Комментарии : 39

@Codadams 5 месяцев назад

Thanks for the detailed video. I don’t have Hondas but it’s always good to know.

@BradleysGarage 5 месяцев назад

Thanks for the kind words, appreciate the feedback. Cheers!

@BONESYOU 2 месяца назад

Thanks for the save. My screen was clogged and ripped

@BradleysGarage 2 месяца назад

Thanks for the comments, glad you enjoyed the video. Great to hear that you were able to get yours all cleaned up and running good again. Cheers!

@jaguars08221 Месяц назад

Also the other problem could be the connector to the oil sensor has cracked on top and is letting moisture get into the connector and causing it to fail.

@BradleysGarage Месяц назад

Thanks for the tip, appreciate the feedback. Cheers!

@MrConduct 2 месяца назад

Awesome video Bradley!!!

@BradleysGarage 2 месяца назад

Thanks for the kind words, glad you enjoyed the video. Cheers!

@ct4cf 2 месяца назад

I recommend cleaning up that capture well 4that tensioner nut& applying a few dollops of HONDABOND 2elimate the fall out problem which can waste a considerable amount of time. I usually don't clear codes as a way of testing the self clearing mode over time. If I bother 2open the VTEC spool or solenoid wells; I ALWAYS inspect &replace those filters. I like 2tie back that PS hose &that wiring harness w/2 bungie cords 4my comfort as those wire ties tend2 scratch me up.

@BradleysGarage 2 месяца назад

Thanks for the tips, appreciate the feedback. That nut can be an issue if it falls out when reassembling things. Thanks again for hanging out, Cheers!

@jamesedwards1588 2 месяца назад

Thanks. Great video.

@BradleysGarage 2 месяца назад

Appreciate the feedback ,glad you enjoyed the video. Good luck on your Honda project. Cheers!

@rogervaillant6044 3 месяца назад

Any advice on removing stubborn spool assembly bolts, scared to break them …thanks, really good detailed video

@BradleysGarage 3 месяца назад

Thanks for the comments Roger, appreciate the feedback. Our recommendation would be to get the engine good and hot before trying to remove them if you feel they may be corroded. The you will have to have long sleeves on and regular gloves to protect yourself from the hot exhaust in that area. They shouldn't be that tight unless someone else has already been in there and cranked them down more than they should. The torque spec is only 8.7 ft. lbs for those M6 10mm bolts. Good luck on your Honda project, let us know how it goes. Cheers!

@EdA-bz3bu 5 месяцев назад

So, the flush fixed it? Did it come back? I appreciate your videos.✌️

@BradleysGarage 5 месяцев назад

Thanks for the question, we have not had the error code come up again since the repair. If it does come back, you will know that the Spool Valve is definitely bad and will need to be replaced. If you don't perform the cleaning and add fresh oil, then you will not be 100% sure what the issue is. Good luck on your Honda project. Cheers!

@abdallanakhle8751 2 месяца назад

Thx

@BradleysGarage 2 месяца назад

Glad you enjoyed the video, good luck on your Honda project. Cheers!

@user-li2wv3vs9f 5 месяцев назад

I wouldn't reuse the vtwc spool valve gasket. I wouldn't be shocked if things started leaking soon after. Also, many of the Honda models have another gasket thats inside the valve. The replacement kits usually include both.

@BradleysGarage 5 месяцев назад

Thanks for the comments, appreciate the feedback. We will keep tabs on it to see if there are any leaks that develop. Cheers!

@MrConduct 2 месяца назад

YES, definetly worth $13 for a new set!!! The gaskets eventually flatten out and cause oil leaks!

@sofiareid9902 2 месяца назад

Thank you for this video. Can you drive it with this code? Have taken it to 2 different machines, solonoids replaced, oil changed and still getting code.

@BradleysGarage 2 месяца назад

Thanks for the question Sofia, sorry to hear you are still having trouble with your Element. You can drive with the code but it generally puts the car into limp mode where you cannot rev past 3k RPM. This makes it difficult to accelerate and you have to drive like your Grandma. Are you using Genuine Honda parts for the repair? Aftermarket Dorman or other brands are not reliable and the issue ends up remaining or comes back in a very short time. The P2646 is specific to the VTEC solenoid so if it is brand new and the front screen has also been cleaned, then you should be good. Doing the engine flush and fresh oil is more of a long term preventative measure to ensure you will not have any issue in the future. Let us know how it goes with you Honda project. Cheers!

@byebyefederalreserve 13 дней назад

@@BradleysGarage It could also be water intrusion. That is the issue in my case since after heavy rainfall I get the code. After many warm days and it dries out my engine is fine. This video explains it. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-IYxfzEinEXQ.html

@carlosrivera-hg1gw 10 дней назад

Hello i have a 2006 honda civic si same code replace selinoid and plugs still geting same code does the vvt has to do something whith dint change the vvt selinoid

@BradleysGarage 9 дней назад

Sorry to hear you are having trouble with your Honda Carlos. There are (4) main causes for the P2646 code to come up. The first is the oil level, make sure it is at the FULL mark. The second would be clogged VVT screens. The third thing would be a faulty oil pressure sensor or bad wiring to the sensor. If all of the above are good then the only thing left would be the solenoid valve assembly itself is bad. There is also a small possibility that the wiring connection at the solenoid could be bad and not making a good connection. Those are really the only reasons why the P2646 code appears. Be sure to verify all of the above steps have been addressed and you should solve the issue. Let us know how things go, good luck on your Honda project. Cheers!

@sofiareid9902 2 месяца назад

Also, would this issue cause the car not to start when cold under 40 degrees car won't start its a 2003 honda element.

@BradleysGarage 2 месяца назад

No, this error code only affects the operation of the VTEC. This only comes into play above 3k RPM. Not wanting to start would be a different problem. Are you getting any other codes for the no start condition? Let us know, Cheers!

@leoaries8171 2 месяца назад

Where can I find the engine cleaner? What is it called?

@BradleysGarage 2 месяца назад

Thanks for the question Leo, the engine flush is made by Liqui Moly. You can purchase the product here - www.fcpeuro.com/products/pro-line-engine-flush-500ml-can-liqui-moly-lm2037 Or from Amazon - www.amazon.com/Liqui-Moly-2037-Pro-Line-Engine/dp/B00CR3RXTO Good luck on your Honda project. Cheers!

@leoaries8171 2 месяца назад

Thank you!!

@BradleysGarage Месяц назад

@@leoaries8171 No worries, good luck on your Honda project. Cheers!

@mattfoley6082 Месяц назад

Not much help since you don't show what was causing the code.

@BradleysGarage Месяц назад

Thanks for the comments Matt. There are three reasons why the P2646 comes up. 1. Low oil or dirty oil 2. Solenoid screens are clogged 3. VTEC Spool Valve Solenoid itself is bad You can perform an oil change or engine flush with oil change to rule out steep one. If the code returns, you will need to remove both screens to check for clogs. If after the screen cleaning the code returns, you know the Spool Valve is bad and will need to be replaced. Good luck on your Honda project, Cheers!

@mattfoley6082 Месяц назад

@@BradleysGarage 1 and 2 are easy to do but if they don't fix it then you can't assume 3. Sometimes the pressure sensor is bad Sometimes the electrical connection is bad (e.g., loose connection or wet from water or oil leak). Honda Element Owners Club site goes into great detail. Many people have wasted money replacing the VTEC spool valve when that was not the problem. I'm not a mechanic, just a DIYer 2003 Element owner. I'm currently having this problem intermittently and trying to trace the source.

@BradleysGarage Месяц назад

@@mattfoley6082 Thanks for the response, sorry if our reply made it seem like those were the only possibilities. The ones you pointed out can be a factor but are much less likely to be the issue. We currently have (3) Honda's with the 2.4L so these steps have helped solve all the issues we have had over the years with our cars. It has never been the pressure sensor or electrical connection for us. Good luck on your Honda project, thanks again for hanging out. Cheers!