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'84 K10 The Animal- Now on Forty Two's

Adventure truck
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I provided my tear down inspection report to a PSC tech this morning over the phone. He wasn't willing to confirm the pump was bad however he said if the control valve piston was stuck in the compressed position the pump would be in bypass mode therefore I wouldn't see any pressure to the steering gear. However I don't think it was compressed because I had to compress it to break it loose from the pump. So now I need to decide if I want to send it to PSC for inspection/repair at $90 per hour or buy another for $237.50.
 
I have used 0000 steel wool on the piston and aleved that situation. But that’s a lot of together and apart testing
 
Bent77 said:
I have used 0000 steel wool on the piston and aleved that situation. But that’s a lot of together and apart testing
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He said I can hone the bore on the pump as well. I test fitted the piston after it was removed and it cycles freely.....
 
I ended up buying another pump and upgraded the reservoir to the newer 8.25" version.

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I used a single groove pulley this time so I can access the mounting hardware easily without removing the pulley.
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I'm trying to decide if I want to add a 90 degree fitting at the return on reservoir from the cooler. It would be smoother from a routing perspective and I can't find any reason to avoid the 90 (use two already as well).
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skunked said:
I ended up buying another pump and upgraded the reservoir to the newer 8.25" version.

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I used a single groove pulley this time so I can access the mounting hardware easily without removing the pulley.
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I'm trying to decide if I want to add a 90 degree fitting at the return on reservoir from the cooler. It would be smoother from a routing perspective and I can't find any reason to avoid the 90.
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Less strain on the return hose that way
 
Only thing I can think is the straight fitting would provide smoother flow than the 90, but not sure that would matter much.
 
mrk5 said:
Only thing I can think is the straight fitting would provide smoother flow than the 90, but not sure that would matter much.
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that was my only concern however the consensus says it's OK as long as the fitting is smooth without reducing the ID.

mrk5 said:
Did the old reservoir leak?
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The JB Weld is a trail repair from the Rubicon last year when it started to leak at the seam. Hasn't leaked since.......
 
I personally wouldn't worry about any strain on that return hose from just the weight of it and the oil inside it. Yes, it can bounce around, but will it really bother?
And I doubt that a 90* fitting would cause any restriction there, as long as it was a full flow fitting. But it looks like you could run it along with the line out to the cooler, similar to how you had it before, if you used the 90.
 
skunked said:
The JB Weld is a trail repair from the Rubicon last year when it started to leak at the seam. Hasn't leaked since.......
Click to expand...
I have a reservoir very similar to your new one but it makes a mess. There is always fluid all over it and the surrounding area. I think maybe it has a small crack or something. Level doesn't really drop, just always is a mess. So when I saw what looked like a repair on your old one, I was curious if maybe something like that does happen.

I actually did -8AN on all my returns but a lot of that is because I have hydroboost brakes so I wanted the best flow I could get. I also did -12AN on the feed to the pump. So I'm always thinking about flow on these systems.
 
mrk5 said:
I have a reservoir very similar to your new one but it makes a mess. There is always fluid all over it and the surrounding area. I think maybe it has a small crack or something. Level doesn't really drop, just always is a mess. So when I saw what looked like a repair on your old one, I was curious if maybe something like that does happen.

I actually did -8AN on all my returns but a lot of that is because I have hydroboost brakes so I wanted the best flow I could get. I also did -12AN on the feed to the pump. So I'm always thinking about flow on these systems.
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the system sweats in general however I haven't had any leaks besides the old used reservoir I was running.

I was rethinking the low pressure lines on my setup a couple months ago after it failed. However after speaking with the PSC tech, reviewing PSC documentation and looking at other builds I decided it was overkill for my application. I also noticed the pump inlet is tapered down to 10AN anyway....

Went ahead and installed the 90 degree fitting so I should be able to add fluid and bleed the system now.

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