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      08-15-2011, 10:09 PM   #1
wwjd15
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Question Did I kill my power steering pump?

Last weekend I did a track day at Fontana, I was slightly drifting around some corners and I don't think that I pulled too much G since I was on street tires. However, after a few session, my power steering started to suffer. Later on, it completely died. Now I have to turn the steering really hard, so I guess my pump is done?
Fluid level is normal, it'd about 4 track days on the fluid if that matters.
So my questions are, if the pump is done? Will dealer warranty it? Any cooling pkg available in the market? Is that normal on M3's or just me unfortunately?
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      08-17-2011, 11:38 AM   #2
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Ricky, does your reservoir have fluid in it? Also, run the car, turn the wheel side to side and look at the fluid, does it look very bubbly and like water?

Do you hear a noise when you turn the wheel side to side, like a whirring noise.

Let me know.
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      08-17-2011, 09:40 PM   #3
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Quote:
Originally Posted by Malekreza11 View Post

Do you hear a noise when you turn the wheel side to side, like a whirring noise.

Let me know.
Malek,

I think I might have the same problem on my 08 E90. Everytime I get a little sideway, during rainy days, I hear a WHIRRING NOISE at low rpm....say 1000-1800rpm maybe.

The dealer can't duplicate the noise when I took it in for service but they have documented it about at least 3 times. I even took a VDO with my Android to show them.

That being said, do you think that the belt might be too tight or too loose? I don't have modification to that part of the engine.

Thanks,
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      08-17-2011, 09:50 PM   #4
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Originally Posted by clubspec330i View Post
Malek,

I think I might have the same problem on my 08 E90. Everytime I get a little sideway, during rainy days, I hear a WHIRRING NOISE at low rpm....say 1000-1800rpm maybe.

The dealer can't duplicate the noise when I took it in for service but they have documented it about at least 3 times. I even took a VDO with my Android to show them.

That being said, do you think that the belt might be too tight or too loose? I don't have modification to that part of the engine.

Thanks,
What your describing sounds like the same issue and noise I encountered. Its the engine oil scavenge pumps, I thought something under the hood was a ticking time bomb, nothing to be worried about!!
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      08-17-2011, 10:39 PM   #5
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I shredded a pulley at Fontana going around NASCAR 1/2. REALLY scary to lose power steering there!!
Hopefully that's it. It's a covered failure but a pain to get the car to the dealer.
It happened in the E46M3's too.
Good luck.
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      08-18-2011, 10:32 AM   #6
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Quote:
Originally Posted by clubspec330i View Post
Malek,

I think I might have the same problem on my 08 E90. Everytime I get a little sideway, during rainy days, I hear a WHIRRING NOISE at low rpm....say 1000-1800rpm maybe.

The dealer can't duplicate the noise when I took it in for service but they have documented it about at least 3 times. I even took a VDO with my Android to show them.

That being said, do you think that the belt might be too tight or too loose? I don't have modification to that part of the engine.

Thanks,
This sounds more like one of those situations where the oil is slushing around while your sideways and the pump has to do something about. I doubt this is power steering related.

Your powersteering pump would make noise even at idle parked and not moving if it was on its way out or damaged.

Question for you though.. When you do get sideways, do you feel any choppy type of response in your steering wheel, where as it feels like power is cutting in and out?
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      08-18-2011, 05:52 PM   #7
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Quote:
Originally Posted by Malekreza11 View Post
Ricky, does your reservoir have fluid in it? Also, run the car, turn the wheel side to side and look at the fluid, does it look very bubbly and like water?

Do you hear a noise when you turn the wheel side to side, like a whirring noise.

Let me know.
The reservoir has fluid in it. I don't hear any noise when turning though. The steering wheel feels like no power steering system exist, it's really hard to turn.
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      08-18-2011, 10:52 PM   #8
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Quote:
Originally Posted by Malekreza11 View Post
This sounds more like one of those situations where the oil is slushing around while your sideways and the pump has to do something about. I doubt this is power steering related.

Your powersteering pump would make noise even at idle parked and not moving if it was on its way out or damaged.

Question for you though.. When you do get sideways, do you feel any choppy type of response in your steering wheel, where as it feels like power is cutting in and out?
Steer feels just fine. I think it might be the same condition as the//Mthree described.

I will monitor it again this weekend.

Thanks for the responses guys.
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      08-19-2011, 11:39 AM   #9
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Quote:
Originally Posted by wwjd15 View Post
The reservoir has fluid in it. I don't hear any noise when turning though. The steering wheel feels like no power steering system exist, it's really hard to turn.
Hmm, it would be pretty hard to diagnose over the forum, however, if there is no pump noise or whine, no leaking fluid any where and your reservoir is full, it would be hard to blame it on the pump. It's possible that the steering rack may be acting up, but I highly doubt that.

Are you sure the tensioner didn't go bad, or the belt is shot and slipping?

If you are in OC, swing by sometime Ricky, I will take a look at it for you.

-Malek
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      08-24-2011, 10:41 PM   #10
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Quote:
Originally Posted by Malekreza11 View Post
Hmm, it would be pretty hard to diagnose over the forum, however, if there is no pump noise or whine, no leaking fluid any where and your reservoir is full, it would be hard to blame it on the pump. It's possible that the steering rack may be acting up, but I highly doubt that.

Are you sure the tensioner didn't go bad, or the belt is shot and slipping?

If you are in OC, swing by sometime Ricky, I will take a look at it for you.

-Malek
Thanks Malek. I was out of town for last week, so didn't get a chance to look up the car. appreciate it!
Luckily, the pump and everything else was fine, just power steering sensors were melt together. Maybe it was too hot and I didn't cool them down properly after got off the track.
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      08-24-2011, 10:50 PM   #11
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M3 looks awesome!

If you are local to our facility - feel free to drop by, we can take a quick look for you on the spot.
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