Barrman
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Power steering pumps turn the same direction as the crank shaft on both systems. Only the water pump is backward.
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Puking power steering pump?
- Thread starter corelokt
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Thanks barrman, I knew something ended up backwards, but I couldn't remember
which device.
which device.
corelokt
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Found a return line from the hydro boost that in schematic was a hard line. Mine was soft. Looked like it may have been kinking when it got hot and soft. Hoping at least.
Barrman
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Good.
Accessories turned by the grooves in the serpentine belt with grooved pulleys turn crank shaft direction. Those turned by the smooth side of the belt with smooth pulleys are counter rotating.
Accessories turned by the grooves in the serpentine belt with grooved pulleys turn crank shaft direction. Those turned by the smooth side of the belt with smooth pulleys are counter rotating.
rustystud
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A kink in you lines could cause a lot of problems, including heat build-up. There should be two steel lines from your brake booster about 12" long each. One is the pressure side and the other is the return side.
corelokt
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Hydroboost sources?
My power steering pump is over flowing when I use my brakes. I think a new hydroboost might fix it. I already replaced the pump and took the oil cooler out of the circuit.
My power steering pump is over flowing when I use my brakes. I think a new hydroboost might fix it. I already replaced the pump and took the oil cooler out of the circuit.
Drock
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Yeah I searched hi & low Rock auto had the best deal.
corelokt
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The hydro boost is in and a cooler is next. Still got to pull the front wheels to check the brakes and bleed the steering.
corelokt
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Hydro boost issue
Driving back to MY from Tennessee my brake pedal decided to start sinking toward the floor. It pumps up quick and is fine for a bit. This is a supposed reman unit from Napa. Any chance this is a readily fixable issue? I doubt it's air in the lines, as fluid is still full. The pump has been overflowing and I find it low quite often.
Driving back to MY from Tennessee my brake pedal decided to start sinking toward the floor. It pumps up quick and is fine for a bit. This is a supposed reman unit from Napa. Any chance this is a readily fixable issue? I doubt it's air in the lines, as fluid is still full. The pump has been overflowing and I find it low quite often.
Looking at the picture of your power steering pump in post #10.
The hose clamp on the return line is the wrong size for the hose.
Could it be pinching and gathering the hose enough to allow air to be sucked into the system?
Also, what are the other two hose claps visible in the bottom of the picture.
They also appear to be the wrong size.
But what are those clamping? Can't see from the photo.
rustystud
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You probably still have air in the system. It is "burping" out the air causing the fluid to come out. Then when you go to check it, it still shows low fluid levels. My truck took two weeks to get all the air out of the system the last time I had to play with the steering pump. At the time I bleed it for 4 hours trying to get all the air out. Then just decided to start driving it. This is a very common problem with this model of truck from GM due to the "hydro-boost brake" system.
rustybuttrusty
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Although I'm not sure how the lists how to do the bleeding procedure because I never have needed to look, but when I did my booster I just followed the directions for bleeding that came with it and have had no problems and all that had me do is hold the wheels at lock for like 20 seconds and give some blips to the throttle and cycle the break pedal a bunch of times going to different positions not just all the way down. I don't know if this helps but thats what I did and it worked great.
corelokt
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Is been 6000 miles. Only fluid loss is at the pump.
rustystud
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Then your pump is bad.
corelokt
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Well that's a big suck then. I put that in just a bit ago too.
I was leaning toward a steering box being plugged. A pump sure easier and cheaper.
I was leaning toward a steering box being plugged. A pump sure easier and cheaper.
rustystud
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If your steering gear had been plugged you would have found that out the first time you tried turning the wheel !