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3/20/2017 5:03:23 PM
Posted: 7/19/2009 11:28:21 AM EDT
I have a old 90 Caddy that is forever leaking power steering fluid. Well we were out checking the fluids on the thing and my brother grabbed the wrong container and filled the power steering reservoir with about half a quart of transmission fluid! Will it hurt it? Do I have to drain it? Will it just leak out over the next week like it usually does with no harm? Advice desperately needed! thanks.
Link Posted: 7/19/2009 11:30:23 AM EDT
It's about the same thing honestly. Pretty sure they're interchangeable.
Link Posted: 7/19/2009 11:31:10 AM EDT
Some you can some you can't. I don't know about yours but my 89 F150 I used to put ATF in the power steering.
Link Posted: 7/19/2009 11:31:44 AM EDT
It'll be fine. ATF and PS fluid are pretty similar fluids anyway.
Link Posted: 7/19/2009 11:32:00 AM EDT
[Last Edit: 7/19/2009 11:32:14 AM EDT by Justa_TXguy]
...
Link Posted: 7/19/2009 11:32:42 AM EDT
I wouldn't worry about it. The Land Rovers I work on spec Dexron as power steering fluid. It will be fine.
Link Posted: 7/19/2009 11:34:18 AM EDT
Thanks guys. I will let him live.
Link Posted: 7/19/2009 11:34:26 AM EDT
[Last Edit: 7/19/2009 11:36:11 AM EDT by m14reigns]


power steering & atf basically same thing. dont worry about it . brake fluid is something different than the others.
Link Posted: 7/19/2009 11:35:14 AM EDT
Originally Posted By jgunner1960:
I have a old 90 Caddy that is forever leaking power steering fluid. Well we were out checking the fluids on the thing and my brother grabbed the wrong container and filled the power steering reservoir with about half a quart of transmission fluid! Will it hurt it? Do I have to drain it? Will it just leak out over the next week like it usually does with no harm? Advice desperately needed! thanks.


Relax... your caddy will be fine.


On that car it's interchangeable.

Now if you had a Honda it would be a different story. But older American iron will take it just fine.
Link Posted: 7/19/2009 11:38:23 AM EDT
My 07 Mustang and 00 Crown Vic both use Mercon ATF in the power steering. However, if you added ATF into the Cobalt's power steering or some of the newer cars then you're in trouble because modern power assist systems are not hydraulic. My SS/TC has an electric motor in the steering column that provides the assist, sort of like a force feedback wheel on the PC or PS3.
Link Posted: 7/19/2009 11:44:35 AM EDT
whew!
Link Posted: 7/19/2009 11:45:45 AM EDT
I don't mean to highjack your thread but since the answer seems to be that it will be ok, I have another related question for the hive. I have a power steering leak on my 96 cherokee also. I am wondering now if tansmission fluid stop a leak could be used in the power steering?
Link Posted: 7/19/2009 11:55:55 AM EDT
Originally Posted By billy8221969:
I don't mean to highjack your thread but since the answer seems to be that it will be ok, I have another related question for the hive. I have a power steering leak on my 96 cherokee also. I am wondering now if tansmission fluid stop a leak could be used in the power steering?

Well I tried the power steering stop leak in mine and it didnt work so the ATF stuff cant hurt.
Link Posted: 7/19/2009 12:17:45 PM EDT
Originally Posted By metroplex:
My 07 Mustang and 00 Crown Vic both use Mercon ATF in the power steering. However, if you added ATF into the Cobalt's power steering or some of the newer cars then you're in trouble because modern power assist systems are not hydraulic. My SS/TC has an electric motor in the steering column that provides the assist, sort of like a force feedback wheel on the PC or PS3.


Why would there even be a reservoir for hydraulic power steering fluid on a car with electric power steering?
Link Posted: 7/22/2009 6:40:36 AM EDT
Well it's been three days now with no problems. Thanks guys!
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