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Formerly 06 STS-V, now 13 XTS
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Discussion Starter #1
Has anyone else on here had a problem with leaking power steering fluid?

Last Sunday, I was driving through a parking lot and heard a rather quiet dull thud under the hood. I couldn't figure out what it was so I just drove on home. In the 15 minutes it took me to drive home, I started hearing a groaning that I instantly recognized as a power steering pump that is out of fluid. The car drove fine, but the pump was making a terrible racket.

When I got home, I checked the fluid reservoir and sure enough... it was almost empty and what little fluid remained was nothing but froth.

I had some extra fluid on hand so I refilled it to protect the pump only to have it leak back out overnight onto my driveway (GRRR...).

There was no warning that this was going to occur. It seemed like a sudden catastrophic failure of the seals.

I took it to the dealer on Monday and they fixed the problem in an hour. He said that there is a TSB regarding the pump seals failing because they were "made out of the wrong material". Fortunately, they had a set on hand so I didn't have to wait for them to be ordered.

The service rep said he had never seen that problem before, though.

Two questions:
1) Has anyone else experienced this problem?
2) Does the STS-V use the same steering pump as the standard STS? (I assume so, but I am curious to know for sure)

I am glad that this occurred here at home rather than on my trip to Atlanta next week. I would have been PISSED! :want:
 

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Not me. Glad it was an easy fix. May have been something they corrected at the factory before too many were made....i hope.:bigroll:
 

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Glad you got it fixed and that it didn't take out the pump.

The STS-V does not use the same power steering pump as the standard STS.

This may explain the problem I am still having with the steering system vibrating on me during left and right turns at low speeds. I think the pump is not working correctly at low speeds. To me, it isn't pumping enough fluid through at low speeds and that may be what is causing the problem. Dealer said it is normal.

SG
 

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Formerly 06 STS-V, now 13 XTS
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Discussion Starter #4
Not me. Glad it was an easy fix. May have been something they corrected at the factory before too many were made....i hope.:bigroll:
Thanks, man. Mine is an 06 model and was manufactured in March of 06, so it probably is one of the first models. Not sure exactly when production of the STS-V began.
 

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Formerly 06 STS-V, now 13 XTS
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536 Posts
Discussion Starter #5
Glad you got it fixed and that it didn't take out the pump.

The STS-V does not use the same power steering pump as the standard STS.

This may explain the problem I am still having with the steering system vibrating on me during left and right turns at low speeds. I think the pump is not working correctly at low speeds. To me, it isn't pumping enough fluid through at low speeds and that may be what is causing the problem. Dealer said it is normal.

SG
That could be. I think I know what you are talking about because on a few occasions I have felt some kind of very VERY slight vibration on turns at low speeds. It is hard to describe but it kind of feels like rubber slipping on a wet floor. I just chalked it up to the wide tires grabbing.

I have only noticed it when it is really hot outside and the rubber is soft.
 

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2006 STS-V
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32 Posts
Yes, I lost my power steering fluid too. Dealer fixed it.

I have slight steering problems - very slight tugs now and then, especially at lower speeds - but I think it's the tires. It's not that big of a deal for me.
 

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Formerly 06 STS-V, now 13 XTS
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536 Posts
Discussion Starter #7
Yes, I lost my power steering fluid too. Dealer fixed it.

I have slight steering problems - very slight tugs now and then, especially at lower speeds - but I think it's the tires. It's not that big of a deal for me.
Same here. I have a Chevy Silverado with a lift kit and 35 inch mudder tires on it, and it does the same thing. The wide tires just grab sometimes which I guess they are supposed to do. Same for wide performance tires, I suppose.
 

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2000 DTS
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Just had a question, can someone help me, I have a leak on my 2000 dts,i'm not sure if its trans fluid or power steering , it's leaking from a line (not a hose) that is in front of the motor, between the motor and the radiator, its is a small crack in the line ( the line is metal and its sort of an s shape) please help , thanks in advance....
 

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Cadillac ETC,XLR,STS-V, ESCALADE
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Yes I have had the same problem only after a few miles from new. Discovered that the 'O' rings that seal the tubes in and out of the pump were broken. Had to fix it myself. No dealer at this end of the world. Not sure if the new ones are going to last for long. Have some fluid available just in case.
 
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