ES - 1st to 4th Gen (1990-2006) Forum for all 1990 - 2006 ES300 and ES330 models. ES250 topics go here as well.

ps leak at the racks control valve

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Old 07-24-15, 05:19 AM
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jbar2016
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Default ps leak at the racks control valve

Hi i have a ps leak at the control valve on the rack, either the line inputs or the c.v. gasket.

The rack itself looks fine, is the c.v. servicable?
Old 07-24-15, 08:29 PM
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DRACO A5OG
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Mine is weeping there too.

Very annoying.
Old 07-24-15, 09:48 PM
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squirrel09
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I also have/had that problem too. I bought this small small bottle of blue devil power steering leak stop stuff. I'm telling u, the bottle looks like a plain wtf bottle, and the price for it was more than a octane booster bottle with flames n ****. Lol, but trust me, buy that blue devil stuff pour it in the ps reservoir and it'll go away. It works on the p.s. itself and the rack n pinion. I think it was actually only 11bux. Also u know it has to be some good stuff bcuz it actually says just to pour 1/4 of the bottle in! And if still leaking do another 1/4. So, half. Which half is what I poured in too.
Old 07-25-15, 12:52 PM
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Interesting, may have to give a try.
Old 07-26-15, 08:11 PM
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surgeon0
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Another option is AT-205. B7 was also in the list of plasticizers. These work on all rubber seals like o-rings etc but not silicone gaskets. There are several regular gaskets (o-rings) in the ps pump it helps but any other types it will not work. It is very helpful though. AT205 can also be put in engine oil (works on RMS), transmission oil.
Old 07-27-15, 10:09 AM
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jbar2016
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Hey thx for the responses, my control valve is not weeping, it actually leaks pretty badly. The rack in my car is not leaking, and has not ripped on either side.
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