Replace the AC Expansion Valve in a 2007 Honda Pilot WITHOUT removing the Dash.
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- Опубликовано: 4 окт 2024
- In this video, I give you a step by step how to on replacing the AC expansion valve behind the glove box in a 2007 Honda Pilot WITHOUT removing the dash. Interior disassembly starts at 6:35. It's a step by step, so it's a little bit of a longer video, but I didn't want to leave out any information. If I missed something, let me know in the comments! Hope this helps you out!
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The entire box is easy to remove I had it out in about 15-20 minutes. You take side cover off the upper dash then couple of screws pop the radio bezel. Once have that off you can get to all the bolts hold entire evap in the car 3-4 10mm one 12MM socket on the fire wall. Once you remove the 2 AC lines connections on the firewall entire box pulls right out toward the seat. I found a video guy did it was super easy then put it on a bench use a screw driver 8 screws split the two halves evap comes out easy at that point. No need to fight with this trying to get your fingers down in there.
Are you able to do a video or break down of how you done it.
This is a great video. Good idea drilling the access hole to remove the allens on the expansion valve. Unfortunately, a critical error was made on the installation. Whan an A/C system is opned to the atmosphere oxygen is introduced into the system. It is critical that the system be placed into a vacuum to remove the moisture now trapped inside the system. Without pulling a vacuum, the refrigerant charge is automatically filled with moisture when the system is charged up. I would suggest using a vacuum pump and attach a micron gauge to ensure a deep vacuum has been reached before charging the system.
Appreciate the video. It is very helpful with bolt locations and other useful tips.
Thank you very much Adam!! Your approach is the most effective and decent way I have seen so far!! I'm sure it will help me a lot! Thank you very much sir!!
Adam your video was spot on and made the process so much quicker. Well done sir!!!
@@nunya9367 Thank you for your feedback. I'm glad to help out!
*Adam runs the car in a closed garage*
Adam! Adam... hey it'll be OK man! It'll all work out! I know AC systems are rough but... you have so much to live for, you don't need to do this!
😂 Just teasing. Thank you so much for showing this in great detail... it is probably about to save us a ton of money.
Hahahaha. I have an exhaust hose that I sneak under the door. Glad to help you out! 🤘😎👍
It's true! Your wife IS happy! Thanks babe! Great video too!
This is got dang genius. Thanks
Happy to help! 🙂
This is a great video. I have a 2008 Honda crv that throws out cold air when it starts and after a while it starts blowing out hot air. Could the expansion valve be the problem?
Does your lower pipe that is connected to the expansion valve towards you have any sweats or condensation. Mine seems too and i want to know if that is normal.
Damn..........how did you change the O Rings................I don't envy you.........working on a Fit myself........sigh..........Z
Amazing
"just like that" part when you put it back on the front, you clipped the video for a reason... no easy feat!!! I find it easier to mount on the back side and then manipulate those lines until the front tubes align enough for me to put the bolts through
Yes, it was a little cumbersome. That's why I disconnected the mounting bolts that hold the engine bay lines in. That way, you can more easily move the lines around to get things to line back up.
Certainly does have a receiver dryer out on condenser. Expansion valves aren't filters at all
You're absolutely correct. I meant to say orifice tube. The expansion valve isn't a filter, it's just the first thing to clog up when compressors go. Thanks for watching and the information!
Great information. I have a CRV which has a ton more room to work on that. How did you get the existing refrigerant back into a can? Was the can completely empty? Partially? Auto not running? What exactly were the steps please?
The cans were completely empty from other projects. Doing it this way will save quite a bit of the refrigerant, but not all of it. The other option would be to take it to a shop and have them pull it out, do the job, and then put it back in.
@@AdamsWrenchTherapy thank you for answering, especially so quickly! I have the manifold gauges. I am thinking with the car off and staying off, that the lower pressure of the can, refrigerant will flow to the path of least resistance. The can. Especially if the can and guages are on the floor. Were you able to purge the yellow line , at the can , versus at the manifold guage, to get air out of the line before evacuating into the can?
@@robert50173 you can purge the line by barely opening the valve and quickly tightening the other end to the can. Not exactly the best way of doing things, but effective. For someone with the know how, and wanting to save money, this method is an inexpensive workaround. The best way is to pull the refrigerant from the system (using an AC machine), do the work, then pull vacuum on the system before refilling it. You will have air in the system doing it this way, but if it works, it works! Good luck on your project!
@@AdamsWrenchTherapy thank you. Of course knowing how to do this is FAR better for the average DIY person who would just expel all the refrigerant to the atmosphere to save a step and time. Your information is a very practical method to help the environment!
Is there supposed to be air blowing out from the Expansion Valve when the A/C is on ?
There shouldn't be any air coming form the valve when the A/C is running. It's a closed system.
This was very helpful for me as I was trying to just locate and figure out how to access the evaporator for my 07 Pilot. I honestly didn't even know there WAS a cabin air filter in mine. Who would have known with it hidden behind a freaking glove box that needs removal.
I believe that my Evap temp sensor is going bad. The temp of the AC has recently started to fluctuate back and forth from cool to hot as I'm driving. I had some water dripping from the glove box area the other day as well, which worried me that the evaporator might have frozen up. So I immediately turned off the AC and just drove with the windows open for a while.
My question for you (if you have time and can help me) is about that Evap Temp sensor. Looking at the evaporator box in your video, is that gray wire coming out of the box (near the Denso sticker) part of that sensor? I'm trying to decide if this is something I can tackle myself or if I have to pay my mechanic to deal with it.
Thanks for a great video!
If you have water dripping on the inside, the first thing you'll want to verify is that your drainage tube isn't clogged up. (It's a rubber hose on the firewall underneath the car.) If it gets clogged, the condensation gathers inside the vehicle, and the core ends up freezing up. A side effect of that is condensation freezing on the outside of the plastic housing and dripping inside the car.
If the expansion valve clogs, it can cause similar issues with freezing and water dripping inside the car. That's what mine was doing.
The other thing it might be (Aside from a temperature sensor) is the blend door actuator may be acting up, and not letting the air mix properly.
Lastly, most pilots have a interior temperature sensor in the dash to allow the vehicle to automatically regulate the temperature inside the car. If it malfunctions, it might cause an issue. (It's in the dashboard and has three to four little slots to take the cabin air temperature.)
Not sure if this helps you out or not, but I'm glad you got something out of the video!
Thank 4 vidio
You're welcome!
The system is now also contaminated with air/moisture due to the removal of the expansion valve and opening up the A/C refrigerant circuits to atmosphere. Vacuum pumps are cheap (Ebay) or hire one. Using a vacuum pump would ensure your repair would be more permanent. Unfortunately introducing air/moisture to a closed system will cause internal corrosion if left as is. This will lead to further expense down the track.
Yes agreed. In my area Auto Zone rents vacuum pumps for free. Probably some other big box auto parts do the same.
I agree. To do it 100% would be to pull vacuum on the system. The primary issue was that the AC compressor failed, and the system was already heavily contaminated with debris/shavings/etc. This is what clogged up the expansion valve to begin with. I discovered this after I pulled vacuum on the system at a friend's shop when I did the compressor replacement. According to Honda, when the A/C clutch fails and contaminates the system, the only 100% fix is to replace the entire system from the clutch, condenser, cores (both of them if you have rear A/C), lines, valves, and fittings. Literally anything that could come in contact with refrigerant. Doing so would cost more than the value of the vehicle (In my particular case). Because the valve is about $40, I decided to just swap it out as a less expensive alternative, and because pulling the dash is quite labor intense, I came up with this work around. If the time comes when the valve might fail again, replacing it with a $40 part and an hour or two of time just makes more sense than replacing the whole system. I know it's not the 100% way to do it, and next time I'll look into whether or not my local parts stores have a vacuum pump that I can rent.
I know that most places have tool rentals, I just didn't think they'd have an AC vacuum pump. I'll look into it. Thanks!!
Tengo una pilot 2007 solo la.parte de atras sale frio, puede ser esa valvula?
Tuve que usar el traductor de google. Jajaja. Sí. Probablemente esto es lo que le está pasando a tu Pilot. (I had to use google translate. Hahaha. Yes. This is probably what is happening with your Pilot.)
Gorilla paws LOL gotta get you a set of Porsche hands like Sean 😅😅
Hahahaha. I can't afford the upgrade to Porsche hands.
@@AdamsWrenchTherapy bahahaha yeah you’d gotta make a deal with the robot devil from Futurama to make it affordable
Also every time I see stuff about emptying the refrigerant it reminds me of the Top Gear Burma episode I believe where Hammond and Clarkson just crank open Mays ac bc his car was the only one with air 🤣
Do you think this would work on a 2010 pilot
It might, but I can't say for sure. This video was done on a first generation (2003-2008) Pilot. I wish I could be more help!
I will pull out that filter and see if I can see it
What was the symptoms you had? My front ac blows hot nonstop but the rear blows cold just fine
That's what was happening with mine. I also had some icing issues on the housing under the glove box and you could hear the refrigerant trying to get through the restricted valve.
Your ep. Valve plugged up often because your AC system was contaminated.
Yes. The old compressor went out and the system became contaminated, which will eventually clog up the valve. The fix for this is to replace the entire system. Rather than spend thousands going that route, I decided to replace the expansion valve. Even if I have to replace it a few times, it's still a much less expensive option.
Yay!
:-)