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Bleeding Power Steering?

 
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Old 03-14-2012, 12:09 AM
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Bleeding Power Steering?

Hey guys, I'm having some serious issues with this on my girlfriend's 95 Civic.

Her old power steering pump went bad, so we got her a new one. I installed it properly, or I believe I did? It was a simple concept and the installation went flawlessly. The issue is in bleeding it. Everyone keeps telling me different methods, all of which are failing.

I've tried:
Turning from lock to lock on the ground with the car off and on, consecutively, not simultaneously. I got bubbles, but after an hour or so, I couldn't move the wheel and it provided little to no power assist.

I've tried jacking the front end and turning from lock to lock with the car on and off, with the same results.

Both methods just caused mass amounts of bubbles and the fluid constantly overflowed. It has zero power assist after burping more air out of the system than it could possibly contain.

What am I doing wrong here? What's the proper method? I'm out of options here and at a loss. This needs to be fixed ASAP! She's 100 lbs of fury and she cannot operate a car without PS.

PLEASE HELP
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Old 03-14-2012, 10:23 AM
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Re: Bleeding Power Steering?

So I deleted PS in my 'lude (everything up to the rack.)
I reinstalled everything before I sold it, so had to put everrryyythinggg back in, including the pump and having to bleed it.

To bleed it, first I filled the res to the MIN level (to allow for overflow/bubbling), and simply started the car (was on the ground). The fluid in the res started rising/bubbling cuz it was getting all the air in the system out first. Once the fluid started settling some, then I started turning it lock to lock, about 30 times. This bled the rest of the air outta the system, and I was good to go.


Turning lock to lock with the car OFF isn't gonna do shiit. The car needs to be on (pump running) in order to circulate the fluid/air thru the system. And on the ground/jack-stands doesn't really matter, I don't think. With it on jack-stands will simply make it easier to turn the wheel w/o PS.



It kinda sounds like air is constantly getting into the system, which is why it keeps sucking air in, and overflowing the reservoir. Was the lil o-ring on the inlet fitting in good condition?
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Old 03-14-2012, 12:20 PM
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Re: Bleeding Power Steering?

Quote:
Originally Posted by twokexlv6coupe View Post
So I deleted PS in my 'lude (everything up to the rack.)
I reinstalled everything before I sold it, so had to put everrryyythinggg back in, including the pump and having to bleed it.

To bleed it, first I filled the res to the MIN level (to allow for overflow/bubbling), and simply started the car (was on the ground). The fluid in the res started rising/bubbling cuz it was getting all the air in the system out first. Once the fluid started settling some, then I started turning it lock to lock, about 30 times. This bled the rest of the air outta the system, and I was good to go.


Turning lock to lock with the car OFF isn't gonna do shiit. The car needs to be on (pump running) in order to circulate the fluid/air thru the system. And on the ground/jack-stands doesn't really matter, I don't think. With it on jack-stands will simply make it easier to turn the wheel w/o PS.



It kinda sounds like air is constantly getting into the system, which is why it keeps sucking air in, and overflowing the reservoir. Was the lil o-ring on the inlet fitting in good condition?
The new O-rings that came with it weren't the right size at all, so I just used the OEM ones. I inspected them and they looks like they were just fine. I figured the PS fluid and closed system kept them in a state of hydration.

So you're saying:

Fluid at Min.
Car on
Lock-to-lock for 30 minutes
Done?

Is it better to go slow or fast? We seemed to get more bubbles from fast. I know not to hold it at lock because the manual says that can damage the pump?

I would prefer the car to be in the air though because it's soo much easier, but this is a bad idea? Also, the pump is whisper quiet, but it doesn't work. I thought the air made it squeal? I mean, we've tried the basic concept of turning lock to lock with it on the ground and running, but it didn't seem to work. Maybe we got tired to easily?

Should it be spilling out a ridiculously high amount of fluid?

Also, on occasion, it makes a gurgling noise, but no bubbles come up? Is this trapped air or something? I'm very mechanically inclined, but I've never dealt with PS. When mine fails, I'm just deleting it
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Old 04-13-2012, 08:51 PM
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Re: Bleeding Power Steering?

I am having the same problem on my lude after changing the timing belt. Just tons of bubble and overflowing out of P/S Res. A lot of fluid leaked out over the change so its not overfilled. Did you figure it out yet?!
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