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Power steering problem @ auto-x--looses assist...
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Power steering problem @ auto-x--looses assist...
Power steering problem @ auto-x--looses assist...
Power steering problem @ auto-x--looses assist...
Power steering problem @ auto-x--looses assist...
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Old 01-14-07, 04:32 PM   #1
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Default Power steering problem @ auto-x--looses assist...

I did a search & didn't see anything related to this.
This is my 2nd STi & I never had an issue like this on the other car.

In a tight slalom, the steering looses assist, and becomes extremely difficult--I mean nearly impossible to turn the wheel.
I have a very aggressive driving style & really saw @ the wheel to maintain momentum & this condition won't do...

Anyone else ever experience this issue? I have a feeling if I bring it to the dealer they'll say it's "just fine"

TIA people.

George B.

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Old 01-14-07, 04:39 PM   #2
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I've seen this posted by a LOT of people. Basicly you are overheating the powersteering on the car. Throw a cooler on there ($200-$500) and you should be fine.

I'd pick up an B&M cooler from summit racing.
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Old 01-14-07, 05:48 PM   #3
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Quote:
Originally Posted by spazegun2213
I've seen this posted by a LOT of people. Basicly you are overheating the powersteering on the car. Throw a cooler on there ($200-$500) and you should be fine.

I'd pick up an B&M cooler from summit racing.
I did a search w/ no luck--guess I must not have used the right key words, anyways...

Another STi driver just made a post on the autocross forum & stated he had the same issue on 2 of his runs--never happened to him before either.
The course had some very tight slaloms in some sections, and I think this must have caused the issue. I think it'll be fine on tradtional courses.

Thx for the response
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Old 01-15-07, 05:32 AM   #4
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does the STI have some sort of "speed variable" power steering?

I ask this because my 98 Prelude was like this during autocross, because the Steering assist was RPM dependant, not vehicle speed dependant. So when you're buzzing around in 1st gear at high rpm, there was almost no power steering.

I'm wondering if this could be the case with the STi as well.
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Old 01-15-07, 06:28 AM   #5
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Quote:
Originally Posted by 05_GD7
does the STI have some sort of "speed variable" power steering?

I ask this because my 98 Prelude was like this during autocross, because the Steering assist was RPM dependant, not vehicle speed dependant. So when you're buzzing around in 1st gear at high rpm, there was almost no power steering.

I'm wondering if this could be the case with the STi as well.
Not that I know of.

I was in 2nd gear & the RPM through that very tight part of the course was relatively low. I did try it in 1st during a fun run, but it didn't help the steering issue.
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Old 01-15-07, 06:39 AM   #6
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Quote:
Originally Posted by 05_GD7
does the STI have some sort of "speed variable" power steering?
It looks like it is RPM dependent from the specs:
"Engine-speed-sensing quick-ratio variable power-assisted rack-and-pinion.
Turns lock-to-lock: 2.6"

From: http://www.subaru.com/shop/specifica...ry=PERFORMANCE
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Old 01-15-07, 06:51 AM   #7
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^^^there you go.

Exactly what I experienced with my prelude - especially on the tighter courses.
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Old 01-15-07, 08:13 PM   #8
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So it makes sense running high RPM in low gear equates relatively low speeds with high engine speeds and makes it hard to turn. Interesting.
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Old 01-16-07, 05:19 AM   #9
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I have this problem as well.

I have added 9" rims and 145 azenis. With the stock setup I got it a little, if it was really hot and I pushed the car hard in auto-x. But since adding so much more weight tothe steering, I get it a lot more. Like you say, by the end of a tough slslom, the power steering fails and it gets REALLY hard to steer.

I agree this it is the power steering fluid getting too hot. I have felt mine before, and you can't even touch the container. B&M cooler might help, I have just dealt with it.

Just know that you arent the only one it happens to.
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Old 01-16-07, 05:35 AM   #10
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I started getting this problem and I bought some Redline synthetic power steering fluid. I haven't put it in yet because the problem hasn't come up in a while. My particular issue is that I was sawing away at the steering wheel entirely too much.
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