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How much power steering fluid?

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120K views 46 replies 20 participants last post by  plplplpl  
#1 ·
So my power steering fluid is not as clean looking as I would like so I plan to change it. How much do I need?

Thank You.
(searched and didn't see any of the DIYs showing how much fluid I will actually need)
 
#4 ·
I'm embarrassed to say that I don't think I have actually changed the power steering fluid ever. At least I can't find any record of doing it until today.

The 12oz bottles of fluid are very cheap from the dealer. A Baster makes a great tool for removing the fluid out of the reservoir. Grab an empty can of soda which is also 12oz and fill it with the fluid you pull from the reservoir. Fill that up and you know you know that you have enough fluid on hand to refill.

What shocked me is that while the fresh fluid was clear, the old fluid looked more like dirty ATF.
Going to lower a q tip into the reservoir in a few days to see what color the fluid is now. Then decide whether to repeat the exercise.
 
#7 ·
+1 This weekend I changed the ATF, engine oil, bled the brakes, tire rotation, antifreze change, and changed the power steering fluid on my 2005 Honda Accord. What I used was exactly what Rocky mentioned. I took our turkey baster, added a 1/4 inch clear tube and then commensed to suctioning out the power steering fluid from the reservoir. I used one Prestone synthetic power steering fluid bottle. The fluid I removed was put into the oil container I dropped off at Autozone.
 
#10 ·
Maybe a silly question, but I've been told to only use Honda fluid in the power steering (and it wasn't by a dealer). Is this really important or can I use any stuff I buy in there? It's a 2003 with 200K miles on it, so not real concerned about it overall...
The factory fill has kept the pump lubricated and the seals pliable enough not to leak for 12 years and 200K miles, sure you can probably use anything, . . . maybe . . . . :rolleyes: :rolleyes: :rolleyes: :rolleyes:
 
#14 ·
Well that's not good - I guess I'll have to get it taken care of sooner rather then later.

Now regarding the fluid, my wife offered to stop at AutoZone and pick up the fluid while she was out. When she asked the woman at the counter what kind of vehicle she told her it was a Honda and she grabbed AutoZone "Honda" fluid and said it was best to use that, so she bought it. $5.09 versus $2.99 for the regular stuff... Never knew a store like AutoZone has their own stuff specifying Honda on the label too - kind of weird and not really sure if it was worth the extra $.
 
#13 ·
I unhooked the hose to the cooler with my friend turning the steering end to end with the pilot ON while I added fluid to the reservoir as needed till the coming out of the cooler got clear, used 4 bottles and I also did replace the "0" ring. No more winter noise and disobedience when turning ( be careful the fluid ejects with force, there is no need to take a P.S. shower)
 
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#15 ·
According to the factory service manual the PS system's total capacity is about 1.2qt (reservoir capacity is about 0.4qt) so theoretically 3 bottles of the factory fluid should be sufficient to completely flush the system.

I did the "lazy" flush today: suck everything out of the reservoir, re-fill it, and then turned on the engine and moved the steering wheel from lock to lock 3 times to circulate the fluid. Even after repeating the re-fill thing 3 times (I used 3 bottles) the fluid left in the reservoir is still dark, so I guess my lazy method isn't working well.

Next time I'm going to just man up and disconnect the return hose (goes into the side of the reservoir) and drain it into a bucket. I don't like to turn on the engine to run the pump since the engine will turn the pump way too fast which could suck air into the system. The power steering pump itself appears to be pretty easy to loosen from the belt. Once the PS belt is loosened I think I'll crank the power steering pump manually (without trying to turn the whole engine) to flush the fluid that way. I've done the "manually turn the pump" method on my other car and it does completely flush the system.

The Pilot has plenty of ground clearance so it should be quite easy to disconnect the return line from below. I'll try to take some pics and report back.
 
#16 · (Edited)
To do a flush you simply disconnect your return line from the power steering reservoir and drain the thing. Then stick a long clear 3/8"OD tube into the return line and run it down to a empty 2-liter soda bottle. Use some tape to secure the hose into the bottle so it can't fall out when fluid comes squirting out.

Once you're ready, turn on the car and steer the wheel back & forth until you can no longer turn the wheel (the pump will get loud when it sucks air). This forces the old fluid out into the soda bottle. Have the bottle and hose secure cause it comes out with a bit of force. Sucking air into the system is perfectly fine and no damage will be done to anything.

Now re-connect your return line to the reservoir and fill it with fresh fluid. Start the engine and steer back & forth, then get out and top off the reservoir. Do this a couple times until the fluid level stays topped off. You can also have an assistant in the car steering back & forth as you add fluid. The pump may still make noise until you finally shut the car off and let the foamy fluid settle. This allows tiny air bubbles in the fluid to collect into large ones. Then the next time you start, they will get pumped back to the reservoir for good (noise for only a short period when you 1st start the car)

If you want to really get all the old fluid out, you can repeat this entire process twice and flush your new cleaner fluid one more time. This will really clean out the system, but it's probably unnecessary.

1 flush requires at least 2 bottles of Honda PS fluid
2 flush requires about 4 bottles of Honda PS fluid

Honda Power Steering Fluid Change - YouTube
 
#17 ·
I used the horse syringe method this past weekend and 3 OEM bottles wasn’t enough to get the ps fluid back to looking like new. It went from dark molasses to medium molasses color. I figure good enough for now. Next time I’ll order 5 bottles.
 
#18 ·
I did the flush method with the return line disconnected in to a catch can. The fluid was very dirty and my PS pump was noisy. I also replaced the reservoir tank as well since I wanted to change the filter. I used 6 bottles of Honda PS fluid.


With the return line disconnected in to the catch can, I drained the reservoir with a turkey baster and removed it. Once the new reservoir was in, I filled it, had my son start the car and work the wheel all the way right and left a couple times while I added fluid. Once it returned clear to the catch can, I reattached the return line, added more fluid and repeated the right lock left lock turns adding fluid until the level was up to full and all air was purged from the system.


I still have noise from the pump, mainly in cold weather, but there are no bubbles in the fluid. I'm thinking the pump is just worn a bit after 180K and it will be replaced with I do my next timing belt service.
 
#19 ·
Thanks for the info. If I can convince my wife or kids to help out next time I might give that a try. If I can’t do you know if you jack the front wheels up and just turn the steering wheel from lock to lock (engine off) how much of the ps system gets exercised?
 
#21 ·
This is how I do it. Jack up the front, pull the return line, put it in a jug to collect the fluid, plug the return line hole in the reservoir, and turn the wheel from lock to lock making sure to keep the reservoir full of new fluid. Once you see the new fluid coming through stop. Super easy and it changes all the fluid.

Sent from my SM-N950U using Tapatalk
 
#20 ·
You need the Pilot running to have the PS pump pushing fluid through the system. On our CRV, I've done it by myself. It takes a bit longer since you are shuffling back and forth between adding fluid and turning the wheel but it is doable. Just keep an eye on the fluid in the reservoir and you should be fine.
 
#22 ·
When you do the initial drain of the fluid, make sure you look inside the reservoir. the PS filter is located at the bottom of the tank. You cannot remove/replace without replacing the entire reservoir which is what I did, but you will see any large particles of dirt or debris caught by the filter on top. Make sure your filter is clean before you start adding new fluid.
 
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#23 ·
No issues with the power steering, but I figure it's due for a little preventative maintenance. Never been done since I've owned my Pilot. I'm planning on a quickie turkey baster method job.

My question is this: Any opinions on using the Beck/Arnley PS fluid made for Hondas? It's the only PS fluid that pops up on Rockauto for our generations. I mean these guys must know what they're doing and wouldn't steer you wrong? :)

2006 HONDA PILOT 3.5L V6 Power Steering Fluid | RockAuto

 
#24 ·
I used "carquest" brand once when I was doing a flush.... but once I realized that you can get OEM fluid for $5 a bottle on eBay shipped, I quit experimenting. It's just too cheap to mess with anything else, IMHO.
 
owns 2025 Honda Pilot Touring
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#25 ·
I've almost always done the turkey baster method... 3 or 4 times over a week or two.

I've also only used Honda fluid in my Hondas since they don't list an approved product. My Traverse lists Dex VI so I will use the same Dex VI I put in the transmission.
 
#26 ·
I’m a believer in sticking with OEM fluids or manufacturer approved equivalents. The cost difference between the OEM fluid versus a non-approved equivalent is normally less than a couple dollars a quart. I’m willing to shell out an extra $10 for each fluid change for peace of mind.
 
#27 ·
Yeah, put it in my cart at Rockauto and with shipping and it's 50% more expensive than OEM at the stealer.
 
#28 ·
Got three bottles of the OEM stuff at the stealer. As a bonus I got to walk through the showroom, stick my head into a 2020 PIlot and take a deep whiff of that new car smell. Then run before the stiletto-heeled sales associate was able to latch onto me.

Will begin basting soon.
 
#29 ·
So I started emptying the power steering fluid with a turkey baster and I found it to be somewhat slow and messy, so I took out the little fluid hand pump I got for changing the VTM-4 fluid and it made the job a bit faster and cleaner.

Image
 
#30 ·
I use a horse syringe, modified with 1/4” irrigation tubing on the end, to get the fluid out of the reservoir. There are a lot fewer drips compared to the turkey baster method.