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Old 10-30-2016, 10:54 PM   #11
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I just installed my 500 box and sure as heck, it leaks on the pressure fitting. Can someone tell me how to contact CPP and how i get the cone out of the steering box?

Contact CPP: http://www.classicperform.com/contact.html
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Old 10-30-2016, 11:51 PM   #12
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Thanks Don, can you tell me how to get the cone out of the steering box. It seems like the solution is to replace it so you can tighten the inverted flare onto it?
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Old 10-31-2016, 12:02 AM   #13
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Thanks Don, can you tell me how to get the cone out of the steering box. It seems like the solution is to replace it so you can tighten the inverted flare onto it?
If it hasn't been mentioned, CPP has a longer inverted flare so the fitting will tighten down enough.
You can thread a tap or "easy-out" into the flare, clamp it with some vice-grips, and tap the flare out of the box. Their not very tight in the box.
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Old 10-31-2016, 01:39 AM   #14
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I too recently purchased a CPP 500 Power Steering box and also had a problem with the high pressure hose leaking. The problem is the bore on the high pressure side is too deep. Yes, I contacted CPP and they sent out a new longer inverted flare insert that replaces the one that came with the 500 box.

We weren't comfortable trying to dig the shorter one out so, I ordered new power steering hoses with deeper fittings.

I just completed this today but, because of rain, I could not take the 56 out on a test drive. But, when I start the car the hoses no longer leak.

The fittings should not bottom out on the box. You should be able to see a thread or two. If it bottoms out, most likely the hose will leak. The fittings cannot complete a tight seal when it bottoms out.
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Old 10-31-2016, 10:23 AM   #15
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Thanks Don & Mel, I have contacted CPP and am waiting for their reply. I also sent an email to Ecklers as they must know about the problem and sold the entire kit to me and did not mention it.

I am also going to see if I can just get either a new hose or coupler locally.

Thanks for the help!
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Old 10-31-2016, 11:01 AM   #16
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I have installed several CPP 500 boxes and had this problem with only one. I took the brass seat out and placed a copper sealing washer under it, Put everything back together and problem was solved.
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Old 10-31-2016, 11:12 AM   #17
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Sorry if this sounds stupid but, what do you mean by copper sealing washer?
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Old 10-31-2016, 12:21 PM   #18
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Sorry if this sounds stupid but, what do you mean by copper sealing washer?
Like what you put on a rubber brake line to caliper connection but not the same size.
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Old 04-17-2017, 12:58 PM   #19
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Late to this thread but I just purchased ans installed a CPP 500 box and the high pressure hose also leaked at the box.And yes, the brass seat or cone inside the box was only sealing half way around. I contacted CPP(Chinese Performance Parts)and the promptly sent a new aluminum seat with rubber o-rings to replace the brass one. After the repair the high pressure hose still weeps.
After reading all the post here it would seem that CPP would address the problem at the root cause ie manufacturing process and correct the process.
Hmmm...a known problem of several years duration, and which has been the subject of repeated comments online here and elsewhere, yet the problem remains uncorrected at CPP. This is beyond a deficiency in customer service. This is well into "we know about it but aren't going to do anything about it because we're making more profits by selling the fix kits" and seriously disappointing, CPP.

I too had the same issue; leaking (squirting) pressure line in a brand new CPP box using the brand new CPP hose. The provided fix corrected the problem. However, it should have been corrected loooong ago with the manufacturer using a correctly machined/inserted brass flare seat. The fact that it remains uncorrected after all this time reflects very poorly on CPP's commitment to quality.

For grins and giggles, I'm attaching a pic of the brass fitting which I removed from the 500 box. You will note that, as described in other threads both here and elsewhere, the seat bears the imprint of the flare only half-way around the circumference. As a CPP customer, I'm very happy that the fix corrected the problem but very unhappy that the problem remains even years after being identified.
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