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#901125 - 05/16/07 12:32 AM How often should power steering fluid be changed?
Dave424 Offline


Registered: 04/08/07
Posts: 154
Loc: Davis, CA
Like the title says

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#901126 - 05/16/07 12:36 AM Re: How often should power steering fluid be chang [Re: Dave424]
Trucku Offline


Registered: 08/28/06
Posts: 488
Loc: Queens, NY
It doesn't hold much, so I change mine once a year with Mobil1 ATF, along with my brake fluid.
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"The More Complex The Mind, The Greater The Need For The Simplicity Of Play"

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#901127 - 05/16/07 01:25 AM Re: How often should power steering fluid be chang [Re: Trucku]
surfstar Offline


Registered: 09/16/04
Posts: 4276
Loc: Santa Barbara, CA
I've changed mine out (siphon/refill/drive/repeat 3x) 2 or 3 times - 219k miles, and no problems. I think 30-60k miles depending on your car and driving habits (hwy miles vs city).
_________________________
2000 Civic HX 1.6L MTX ~42mpg
2005 Saturn Vue 2.2L MTX ~27mpg
--My 'new' car will be an early retirement--

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#901128 - 05/16/07 01:30 AM Re: How often should power steering fluid be chang [Re: surfstar]
lawmaninsc Offline


Registered: 08/27/06
Posts: 38
Loc: Honea Path,SC
I bought my F-150 in 1995 with 30,000 miles on it. The vehicle now has 178,000 miles on it. Power steering fluid or brake fluid never been changed.

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#901129 - 05/16/07 01:45 AM Re: How often should power steering fluid be chang [Re: lawmaninsc]
Eddie Offline


Registered: 12/07/03
Posts: 6597
Loc: Florida, Cape Coral
+1 with the surfstar method. I do it about every 30K or 2 years
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#901130 - 05/16/07 01:59 AM Re: How often should power steering fluid be chang [Re: Eddie]
ekrampitzjr Offline


Registered: 03/23/03
Posts: 788
Loc: Hopewell, Virginia, USA
An old (and very good) mechanic told me that instead of the time-consuming bleed and pump method for changing power steering and brake fluids, on his own vehicles he would simply periodically suck out what fluid was in the appropriate reservoir and refill with fresh. Over time this would completely change the old fluids as the respective systems cycled hydraulically. The key was to keep changing the reservoir fluids, which is simple enough in most vehicles.

It sounds along the same principles as periodic ATF changes using pan drops instead of the hassle of a complete flush and refill, draining torque converter, etc. Over time the pan drops—or installing a drain plug in the pan to allow drains—accomplishes much the same thing; you just do it more often. This is what a lot of the people who have installed Amsoil or Red Line synthetic ATFs have done.

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#901131 - 05/16/07 04:14 AM Re: How often should power steering fluid be chang [Re: ekrampitzjr]
glenncof Offline


Registered: 05/31/06
Posts: 1051
Loc: Northern California
Now this is what I consider a "life time" fluid application (power steering). Replace fluid when things break. I have never-ever had a pump go bad but I have had leaking hoses usually around 120K miles, but I've had up to 180K without a problem.

I do brakes the same way. Flush when I need to bleed them. Only once did I have brake line fail, 1957 Dodge Coranet 24 years ago in Rochester NY (not a dry kind of place).

But change it if you like !

Tranny...that's a whole 'nother issue. As is racing for brake fluids.

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#901132 - 05/16/07 05:52 AM Re: How often should power steering fluid be chang [Re: glenncof]
ConfederateTyrant Offline


Registered: 04/03/06
Posts: 1674
Loc: Morrow, Georgia
Do a full flush with Amsoil ATF (if your vehicle requires ATF in the power steering) or Redline/Royal Purple Power Steering Fluid (if your vehicle requires power steering fluid) once. Then every 10,000 miles, drain and fill the reservoir.
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#901133 - 05/16/07 06:22 AM Re: How often should power steering fluid be chang [Re: ConfederateTyrant]
AcuraTech Offline


Registered: 05/11/04
Posts: 1559
Loc: St. Paul, MN
P/S fluid continually cycles through the system in a big loop. Sucking out the reservoir and refilling will get a good amount of fresh fluid in. I would say do it every 30K. If the fluid is old/dirty, do it during oil changes 2-3 times in a row.

Brake fluid is different. It doesn't circulate. It does churn a bit, and will get circulated over time, but it takes awhile. For what its worth, the Acura factory recommended replacement of brake fluid is every 3 years or 45K miles, whichever comes first.

Forget about the "I never changed em and my car has 17 million problem free miles" type answers. Changing p/s fluid isnt as critical, but changing the brake fluid is. Brake fluid is hydroscopic, meaning it absorbs water over time, and corrodes the internals of the system. Also, water boils and turns to vapor, which can lead to brake fade. Another good reason to change the brake fluid is that it gets dirty over time, and there are a lot of little orifices and valves inside the ABS modulator. If they're gummed up with junk, the ABS is not going to work to its full potential.

When I was going to tech school one of my teachers made a good point. "The two most important systems on a car are STEERING and BRAKES. So change the fluid once in awhile."
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*The above post is not to be construed as professional advice. For entertainment purposes only.*


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#901134 - 05/16/07 07:06 AM Re: How often should power steering fluid be chang [Re: AcuraTech]
Ertman Offline


Registered: 07/25/06
Posts: 14
Loc: Savannah, Ga
Brake fluid and P/S fluid annually

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#901135 - 05/16/07 07:08 AM Re: How often should power steering fluid be chang [Re: AcuraTech]
Gary Allan Offline


Registered: 09/28/02
Posts: 39806
Loc: Pottstown, PA
How often should power steering fluid be changed?

As often as you need to feel good about the level of care you're giving it. My level will be 179k/16 years sometime soon
Now I do wonder what that noise is

I have swapped PS fluid for synthetic ATF before. Mother's Corsica ..whining when below freezing. M1 ATF ..no more issues. Same with her trans (instead of whining - delay).
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#901136 - 05/16/07 03:32 PM Re: How often should power steering fluid be chang [Re: AcuraTech]
Merkava_4 Online   content


Registered: 01/30/07
Posts: 8888
Loc: Clovis, CA
Removing power steering fluid from the reservoir using what? Will a turkey baster work?

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#901137 - 05/16/07 04:16 PM Re: How often should power steering fluid be chang [Re: Merkava_4]
johnd Offline


Registered: 03/02/05
Posts: 621
Loc: Austin, TX
Two year intervals for me. Brake and PS.

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#901138 - 05/16/07 04:42 PM Re: How often should power steering fluid be chang [Re: Merkava_4]
Gary Allan Offline


Registered: 09/28/02
Posts: 39806
Loc: Pottstown, PA
Quote:

Removing power steering fluid from the reservoir using what? Will a turkey baster work?




Aside from specialized products to perform essentially the same function (at much higher expense, albeit with higher extended utility) ..the turkey baster is the BITOG tool of choice for this procedure.
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http://lube-direct.com/gallan/

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#901139 - 05/16/07 05:37 PM Re: How often should power steering fluid be chang [Re: Gary Allan]
wantin150 Offline


Registered: 02/27/06
Posts: 1899
Loc: Columbia, SC
The res in my Tacoma and my Matrix each hold about 8 oz. Using a piece of fish tank airline hose, I drain the res and fill with fresh. Just starting doing this at every oil change (5K). Just don't suck to hard to get the flow started. ATF tastes bad!
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2003 Toyota Matrix XRS 87,000 miles
2008 Scion xD 14,500 miles
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