bluegoat01
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I had the same issue a couple years back and went through the usual tricks I could find in the forums. Eventually I landed on the thought that it may be my throttle sensor (those aren't cheap). So I did a recalibration by unhooking the batteries for about 30 minutes, hooking them back up, turning the key on, depressing the throttle slowly all the way to the floor, and letting it back up slowly. Solved the issue, although I've had to do it a couple times. I'm sure I'll have to replace that sensor eventually, but this is good for a pinch situation.
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Ok it's working and I love the truck again. So I noticed some strange issues with the HB unit upon further inspection. Bolts holding the body together were a bit rounded, the main seal seemed to be not seated and causing a gap in the body. Small things, but I hadded a warranty so back to autozone it went. Being stressed at this point I wanted to make sure I had all the trash out so I left the lines unhooked and started the truck only to find some very disappointing pressure (slight dribble). So it was off with the basically brand new pump to cash in on its warranty. Pump in, flushed, HB unit, in and bled, and we're back to being operational. It kinda erks me a bit to think it may have been a faulty pump to begin with but I'm going to try not to think about it. But lesson learned.
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I didn't flush it simply because I was pour in a quart every couple days and the fluid was pretty clear. The lines are shuddering on the hydroboost end and the pump reservoir is emptying out and filling with no problems. The hydroboost was replaced last night and the pump was replaced about 6 months ago.
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The condition of the pump is basically new. I bought it 6 months ago but due the hydroboost problems I have only driven the truck and few hundred miles, maybe. I have flushed the hell out of the fluid today. The type of fluid is just peak power steering fluid, not the expensive kind but certainly not atf. The hydroboost being defective has crossed my mind since it's doing the exact same thing that the old one was doing.
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This system has seriously ruined me on the Dodge truck. Every one told me before I bought it "yeah that cummins is great! Runs forever! One problem though, it's surrounded by dodge parts..." All of the noise and vibration is coming from the HB I can see the lines flex when the wheels are turned to the locks. Applying the brakes makes the HB shakes and the pump vibrate bad enough to shake the fluid inside. I'm out of ideals the pump is clearly putting out pressure, the HB is less than 24 hours old, I've even swapped lines around just to make sure I didn't have them hooked up wrong and still no change. This thing is seriously about to hit Craigslist.
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Well I fired it up and the problem still persist. Wheels are still off the ground and I couldn't help but notice that all lines coming out of the HB unit are piping hot. The only thing I can think of to do now is pull the pump, but it doesn't have but a few hundred miles on it because of the problems I've been having with the truck...
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Me and the wife are currently flushing and re bleeding the system as we speak. We have the wheels off the ground and engine off turning the wheels lock to lock. We're getting some air but we have yet to start the truck. But yes at an idle if I push the brakes I get a strong kick back vibration in the petal and moaning noise. I get the same effect in the steering wheel at an idle only it acts like there's no power steering. Is there anyway the system could be sucking in air without leaking fluid?
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Ok I posted a while back about some issues I was having with the hydroboost system. The power steering pump went out and I replaced it. Then the hydroboost started making lots of noise, and shuddering when the brakes were applied. I would lose power steering altogether at an idle, but all this only happened after about 5 minutes of driving. Today I finally broke down and swapped the hydroboost I still have the same problems.... I'm at my wits end here wit this thing! I don't know what else to do. Btw it an 01 2wd.
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