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Old 04-06-2010, 06:01 PM   #1
jdunn1034
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power steering cap gasket

Last week I was replacing my headlight bulbs and I noticed that the power steering reservoir was covered in a grease like substance. I looked into it and I found that there is supposed to be a gasket under the cap which mine did not have. I checked out realoem.com and found the part number for the gasket. it looks like it should be a flat gasket but when i ordered the part, a rubber o-ring showed up with the correct part number. I tried putting it on but the cap would not seat right with it on. Did I get the wrong part or am I retarded and not putting it on right? anyone run into this?
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Old 04-06-2010, 07:07 PM   #2
ZR1Trev
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If you look real close at your cap you will probably find that it already has an o-ring installed. It doesn't look like an o-ring because it is deformed and hard. It took me a while to see it because it looks like a part of the cap. Just pry it off and install the new o-ring.

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Old 04-06-2010, 07:09 PM   #3
sycE46
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you need to pry off the old gasket first to put on the new one

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Old 04-06-2010, 08:24 PM   #4
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HA HA I tried to do the same thing one time! I had put down trying to fix it and actually had to come back and look at it again only to realize that there was a gasket attached to the cap. I still feel like such an idiot that I missed that lol!
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Old 04-06-2010, 08:25 PM   #5
jzwu
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When you try to replace the O-ring, it seems natural the cap already has one on it to be replaced?
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Old 04-06-2010, 09:17 PM   #6
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thanks guys, at least I know I am not the only one who didn't see the old o-ring. It didn't look at all like there was one but I didn't look too hard.
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Old 04-06-2010, 09:25 PM   #7
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First time I replaced this ring, I also thought I didn't have it. Took me ten minutes of futile attempts to put a new ring on to realize the old one was still there.
But the leak may not necessarily be through the seal. It may be a "normal" leak through the cap hole. This hole is required to keep the pressure constant when the oil heats up and expands. But some oil may leak through, particlularly during spirited driving.
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Old 04-08-2010, 02:40 AM   #8
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Part number for this? I'll need it too.
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Old 04-08-2010, 10:11 AM   #9
NoVaDreier
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Power Steering Fluid Reservoir Cap O-Ring: 32411128333
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Old 04-08-2010, 11:13 AM   #10
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I just did the same repair last week, my old gasket was almost 6 years old and shot. My dealer had the o-ring in stock and charged $4.16. It so far has stopped the mess on the top part of the reservoir, you should notice some improvement. While you're at it, you should look at the fluid, if it's a dirty black or brown, you might want to flush with fresh ATF. Search the threads for "turkey baster" and you will see how it can be done from the reservoir without going underneath and draining the entire PS system. Careful not to overfill. Some people replace the entire reservoir in order to get a new filter, but seems no clear consensus on whether that extra step is really needed, unless I suppose the silver filter is really fouled or your reservoir is cracked. It's about a $30 part I think. I did not change out my reservoir.
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Old 05-31-2010, 12:28 AM   #11
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e46fanatics to the rescue:

After years of owning the car, my lazy ass decided it was time to change the PS fluid. A trip to Walmart for a $2 turkey blaster and $5 qt. of Castrol Import ATF fluid (meets Dexron III specs), couldn't find Mobil 1 synthetic ATF or any Dexron III or newer fluid there *strange* except the Castrol Import ATF fluid.

Anyway, off to change the fluid per the DIY by Kris L. Drained and refilled twice but for some reason could not find the gasket on the PS cap. So I slid the new gasket on w/o taking off the old one but the the cap just would not close properly.

Came on here, did a search and surely enough, there was a gasket that was very hard and looked like a part of the cap. A flat head screw driver and in less then a minute, the old one was off and new one was on.
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Old 03-20-2011, 05:55 PM   #12
hammerheart
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finally found where the old gasket was... the old gasket has been squeezed into triangular cross-section shape already and very hard to notice
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Old 01-23-2012, 02:52 PM   #13
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very good info,next work change the o-ring
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Old 01-23-2012, 03:01 PM   #14
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Old 01-23-2012, 03:24 PM   #15
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thx,but i'm in Europe;-)
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