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Old 12-01-2017, 08:24 PM   #1 (permalink)
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Full hydro issues

My setup consists of a tg 2x8 double ended ram. Gm p pump with 8Ē of fuel filler hose to add more fluid on a 5.3. Eaton orbital. Fin and tube cooler and a heat sink cooler. No filter at the moment. I have burned up 5 or 6 pumps since I swapped out the tbi 350 for the 5.3.
None of the bad pumps have had any metal in the little screens.

System was absolutely flawless for a year or 2 before the ls went in.

The latest pump I decided to not drill out the restrictor or do any mods too. Steering was a bit heavier than before but still good. Did 2 runs on it and by the time the sun went down on the 2nd trip the steering started to get stiff. No pump noise. Just hard to turn and really hard to get full lock to the right. Would leave about 3 or 4Ē of rod exposed

I thought maybe I bent the ram. Today I took the tie rods off and turned the steering lock to to lock with the engine running and not running. Felt smooth but the ram wouldnít bottom out to the right by 1 inch.
Bottoms out at the clevis to the left.

I should note when the trucks on its own weight, running and I turn the wheel to the stiff spot it starts to puke fluid out the reservoir.

So do I have a bent ram? Or another dead pump? Or am I tearing apart the orbital?
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Old 12-01-2017, 08:34 PM   #2 (permalink)
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Also
When I did the ls I moved the orbital from the frame rail to in the cab and turned it on itís side. Iíve read lots of conflicting info on having the orbital like this and it seems the general consensus is itís fine this way
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Old 12-01-2017, 10:15 PM   #3 (permalink)
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Im wondering if you keep using the same brand of pump..
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Old 12-01-2017, 10:18 PM   #4 (permalink)
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should take ram apart. sounds like piston is slipped if it leaves rod to other side and bottoms clevis to other
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Old 12-01-2017, 10:19 PM   #5 (permalink)
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Ive used several different pumps. New, reman, pumps from the 70ís 80ís 90ís
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Old 12-01-2017, 10:23 PM   #6 (permalink)
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I will definitely take the ram apart
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Old 12-02-2017, 08:36 AM   #7 (permalink)
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FYI, the end caps in the ram are not threaded. There is a copper wire that rides in a groove . I had to make a spanner tool to spin. Expose the end of the wire, pry it up towards you, then spin it out the other way. I then put a little pressure on the ram through the an fitting and popped the cap off
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Old 12-02-2017, 07:10 PM   #8 (permalink)
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Rams bent
Gonna try straightening it and hope for the best
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Old 12-02-2017, 07:25 PM   #9 (permalink)
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FYI, the end caps in the ram are not threaded. There is a copper wire that rides in a groove . I had to make a spanner tool to spin. Expose the end of the wire, pry it up towards you, then spin it out the other way. I then put a little pressure on the ram through the an fitting and popped the cap off
My end caps are threaded

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Old 12-02-2017, 08:25 PM   #10 (permalink)
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Rams bent
Gonna try straightening it and hope for the best
The best you'll get in that case is it will shit its guts out when it's least opportune.
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Old 12-02-2017, 09:01 PM   #11 (permalink)
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My end caps are threaded

That's nice...is it a trail gear ram?
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Old 12-02-2017, 09:41 PM   #12 (permalink)
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That's nice...is it a trail gear ram?
PSC, I didn't see, was his a trail gear?
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Old 12-02-2017, 10:04 PM   #13 (permalink)
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Yes, op mentioned in the first sentence that it was a tg ram. Here's what I'm talking about
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Old 12-02-2017, 11:50 PM   #14 (permalink)
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tg = trail gear, duh. Totally missed it.
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Old 12-03-2017, 05:58 PM   #15 (permalink)
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Rams bent
Gonna try straightening it and hope for the best
Do you remember hitting anything that could have bent it? I was looking at TG rams and that is a bit worrisome. Do you have the 1-1/8" shaft or 1-3/8"
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Old 12-03-2017, 08:12 PM   #16 (permalink)
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Iíve had this ram for 3 years now itís been awesome. I bent it by my own stupidity it didnít bend from wheeling Iíll just say that haha.

Any way I was able to get it all torn apart and straightened with a press. Put it all back together and the steering goes both ways fine with no weight on the tires. Once itís on itís own weight itís hard to steer with out throttle. With throttle the pump screams and itíll steer ok..ish.

Might still have air in it or Iíve killed another pump
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Old 12-03-2017, 09:33 PM   #17 (permalink)
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Another thing Iíll mention about my particular trail gear ram is That it wasnít perfectly centred. The middle portion with the blue seals is off by an inch to one side
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