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Old 09-30-2006, 02:41 AM
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Is it Possible?

Doc here,

OK, Gotta a question from my "wonder IF..." files...

Is it possible to install a remote spin on oil filter in line with the Power steering pump to the Rack and Pinion ram on a Corvette ( or any R&P setup) to filter the fluid before it goes to the ram AND to provide an "Open point " ....

(remove filter , start car with drip pan under..purge oil..shut down, install new filter, new fluid..)

Would a setup such as this hold the pressure?

Does anybody make such a product?

I have noticed .. most systems prior to the ram failing , have a reservoir full of ungodly crap..from congealed oil to metal shavings..and it would seem that Pump oil on most is destined for the life of the vehicle after the warranty..as nobody ever thinks to change it ..

I have a few, that even though at present do not leak or malperform, no matter how many times you pull the pump and drain it (no small job on any Vette..) Still come up a few weeks with crappy looking oil..a few weeks later..I can only imagine what it is doing to the rack plumbing..

SO.. I guess my questions are:
  • Does anyone make such a filter and adaptor for this?
  • Would using an aftermarket spin~on filter and remote mount work?
  • Would it EVEN help to keep the system oil pristine?
  • Would such a setup Actually hold the pump pressure? if not is there one that would?

Any comments..Please

Doc

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Old 09-30-2006, 06:54 AM
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Does it have a steel reservoir? If so, maybe you could put a magnet on the
side of the reservoir. At least you would catch any any iron in the system.
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Old 09-30-2006, 06:57 AM
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Doc I work on many trucks with hydraulic systems and all of them seem to filter on the the low pressure side.I kinda doubt a spin on filter would hold up to 2000 psi the pumps are capable of. I believe gasket failure would occur even if the can could hold it.However if you search some hydraulic systems on the net you might find an inline filter that would do the trick maybe something from an industral application or even aircraft related.Also Ford puts inline filters in the return side with few rack problems still does a good job of keeping crap out of the pump and gear.
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Old 09-30-2006, 07:28 AM
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Doc here,


Quote:
Originally Posted by slvrbllt
Does it have a steel reservoir? If so, maybe you could put a magnet on the
side of the reservoir. At least you would catch any any iron in the system.
I suppose that would work for shavings..but that's not the majority of the problem..it's dirty gunky fluid..I need that to clean up and stay clean..

Quote:
Originally Posted by barnym17
Doc I work on many trucks with hydraulic systems and all of them seem to filter on the the low pressure side.I kinda doubt a spin on filter would hold up to 2000 psi the pumps are capable of. I believe gasket failure would occur even if the can could hold it.However if you search some hydraulic systems on the net you might find an inline filter that would do the trick maybe something from an industral application or even aircraft related.Also Ford puts inline filters in the return side with few rack problems still does a good job of keeping crap out of the pump and gear.
Is that what the passenger car R&P pumps put out? 2000 Psi? This is why I'm asking before I blow a canister all over the shop floor..I was thinking it may be a lot lower than 2000 Psi..

I know there is some applications for commercial and air compressor type filters..but those are an expensive alternative if an aftermarket automotive type could be used.

More Ideas?

Doc
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Old 09-30-2006, 08:21 AM
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Back in the mid 80's when GM was having all the trouble with their R&P setups with the morning sickness, when we installed a new rack we would also install an in line filter.
I haven't used one in years but come Monday morning I will try to find some info on them.

Sounds like a logical idea you have about pulling the filter and running the engine to let the pump free flow the fluid and "crud" out with it.

I hear good things about the BG power steering flush set up, that's one of the few tools I don't own from BG. Here's BG's link link to their power steering flush info.

Steve
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Old 09-30-2006, 10:12 AM
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average output of a PS pump is 1600 PSI at Full output, 600 at low output. if a filter is to be used, a power steering filter is installed on the low preassure side. whenever we change a steering rack with PS, we add a filter to the low preassure port, at my autoshop class I take
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Old 09-30-2006, 10:22 AM
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Ok Doc, I know that you can't use an easy, obvious solution to a problem any more than I can.

A normal person would just put an inline tranny/power steering filter in a return line and be done with it.

But Nooooooooooo, not us. We get something set in our minds and must go that way. (I always thought having OCD was a virtue)

So here I found you a nice filter that you can put in the high pressure side of your system. It says you can get one that is rated for 30,000 psi with a 4:1 safety factor, (yes..120000 psi! WOW!), or the regular ones are minimum 3000psi.
It is compact (2.25" X 6") and has connections that are easily adaptable to the stock GM high pressure fittings. The element is replaceable.
I think it looks nice too.


View the page I found that pic on HERE
and depending which element you choose, it will filter as small as .5 microns. (that is incredibly small)

They have even smaller ones


click this

The rest of that site may hold some interest for you also.

http://www.normanfilters.com/page2.html

I found all that and more when I did a google for "high pressure inline filters"

Hope this helps, mikey
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Old 09-30-2006, 11:06 AM
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Makes sense to me..put a filter in the return line and make it realatively easy to disconnect so it can be flushed and changed..Probably as part of an annual major maintenence procedure..

Sam
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Old 09-30-2006, 05:03 PM
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Doc here,

Now that's what I'm Talking' about!! :thumb up:

Thanks guy's , I'LL start checking these options out and see what holds together..

Doc
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Old 09-30-2006, 11:01 PM
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Here is another option. Every PS filter I have ever seen was on the return side.
http://www.howeperformance.com/acces...reservoirs.htm
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Old 10-01-2006, 07:35 AM
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Quote:
Originally Posted by Triaged
Here is another option. Every PS filter I have ever seen was on the return side.

same here & all i've used is a good fuel filter since there is little pressure......joe
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