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What Could Be Wrong With My Power Steering?

i have a honda accord 2004 model, and i have been having issues with the power steering. it all began when i travelled and the car was parked for a month, when i got back, i noticed the hose to the power steering pump was leaking oil (atf) and i had it changed (the hose), soon after that, i started hearing a hissing sound from the steering as if air escaping. when you sort of turn the steering wheel the hissing stops, but continues hissing if you do not exert pressure on it, then the wheel  was still soft. my mechanic checked and said i should ignore it, that it was nothing, was using it like that untill the wheel got stiff,  so i had to change the pump, after that, i noticed the hissing sound increased, within a week my steering wheel got stiff again, i had to change the pump, the guy  that sells the pump, advice that i check the steering, my mechanic keep saying that it is the pump that is the problem, that the steering is not leaking oil. now after another week the steering is slowly going hard again, i need  help fast, any one with this kind of experience should chip in, siena all the engineers in the house,

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thank you, siena, i am suspecting the pressure hose because the hissing noise seem to be coming from it, where it connects to the steering rack or pinion, i noticed that when the steering lost it,s power assist just before i change the last pump, the noise ceased completely it was then bled and the power assist came back on briefly, i then changed the pump and the hissing noise became louder and the steering was very soft, and what i have noticed is that has the hissing noise reduces the steering wheel get,s harder.

i probably will have to change that hose but i am not very sure yet wether it will stop, i don,t even know wether this new pump as been affected, i guess i will have to go ahead and see. thanks really appreciate.

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The restrictor valve is within the high-pressure hose (can't be seperated) or within the vane pump's body, in which case, it can be removed.

Its purpose is to slow down flow, whilst increasing pressure in the system. If its missing, the flow will increase, whilst pressure will drop. This will cause air pockets to build up in the fluid, giving rise to noise, and ocassional a heavy, almost non-assisted steering. As the bubbles come and go, so will the assistance vary.

Make sure the fluid is the correct one for your car. It should be ATF Dexron II.

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siena still waiting for you to explain o

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i don,t just want to get into those mechanic,s trial and error, "oga na my work" thing, dat,s why i am sampling more oppinion, siena is getting it, cos the thing started after i changed that hose, it will keep occurring even if i continue changing pumps, unless i rectify the problem.

meanwhile the hissing continues, i have to understand more of what he was saying. thanks any way and a big amen to that prayer.

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I had similar problem with my Camry having travelled and left it for close to a year.

My mechanic told me it was the power steering pump but advised that i use it like that for a week after which we will take the next step. In just 3 days, i noticed the steering was clearing out and getting soft which i told him, he then flushed out the pump of old dirt and steering fluid and later changed the power steering fluid, the steering keeps getting softer by the day but still gets hard once in a while.

I planned changing the power steering pump before i read this thread; to be sincere i am confused reading Ur story.

i pray you get a solution quick.

N a wa o, i no wan waste money ooooo

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siena you are hitting the nail on the head, i did change the hose that is bolted to the  power steering pump, which i hope is also the vane pump as you stated, by replacement, do you mean the replaced hose or the pump?  considering i changed the hose before the pump, it could mean the hose did,t have a restrictor hence the hissing noise.

the challenge is this   since i have change the pump as well,  i do not know if this pump has a restrictor or not, i am very sure the mechanic knows nothing of all this.

concerning parts we are always advised to buy used ones taken of existing vehicles to assure us of originality, because new ones are almost always copys.

could you explain more of this restrictor valve? so i can identify it. thank you so much,  i am finally getting somewhere.

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I notice the hissing began after you had a hose replaced.

Worth noting, the high-pressure line, that goes from the vane pump to the rack has a built-in restrictor, that slows down the flow just before it reaches the rack itself. The replacement must have this same restrictor, in other words, the replacement must be an OEM part, not a copy.

Some vane pumps have restrictor valves built into the bolt that secures the high-pressure line. Some replacement pumps don't come with this valve, make sure your mechanic transferred the old one over. And make sure the correct fluid was used, and was clean and free of any contaminant. Was the system bled? If not, there will be air in the system, causing varying levels of power assistance. And noise.

I'd say 98% there's nothing wrong with your steering rack. A faulty rack will either leak, be stiff, or have rough spots, due to a worn pinion, which is not the case with your car.

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don,t worry ib, i have always been sceptical about putting nos in public forum, i,ll take a walk down there and see wat,s up, that is if the traffic will allow me walk there.

mama gee did you read the post? i already told two mechanics. sienna and co i am still waiting o, i need more opinions on this.

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well as u know i aint a mechanic but maybe this may help

the hissin sound depict fluid leakage; for sure

u maybe have to open emm wetin again fluid box to check the depth of the fluid inside; that way u will be able to assertain if there is any leakage

therefore ur mechanic will have to check around; include looking under the engine/steerling host

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according to spare parts guy he says i should check the steering out if not it will keep messing the pumps up, and bros those pumps dey cost o!

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Why not try other mechanics? Seek different opinions?

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I had similar problem some weeks back with my Camry. The mechanic changed the pump twice but no result. They are just bunch of gamblers. After some few days of using it like that, it went soft on its own.

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this is the second mechanic telling me to ignore it, he comes highly recommended, and he say he,s not seen this kind of problem before, the hissing noice.

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all this guys just want to sell sell sell, no one talks of maintenance, honda this! toyota that! what sense does it make buying and not knowing how to maintain, pathetic!

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