Power steering whine in CLS and replaced pump...
01-22-2014, 10:29 AM
#1
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Power steering whine in CLS and replaced pump...
I had my power steering pressure hose replaced a few weeks ago and after that the fluid would just burp out of my reservoir all over along with bubbles like crazy. I replaced the pump and flushed it with Honda fluid. As I drove away (5 miles) and parked, it was so quiet. An hour later I started the car and the whine started again. It since has been parked because I'm getting the tranny done. It is not leaking and there are a few bubbles in the reservoir. Any idea what could cause the air or do I just need to drive it when I get it back?
01-22-2014, 10:43 AM
#2
Well the noise u are hearing is either lack of fluid inside the pump. Or its the bearing going. I would be more inclined to say it is lack of fluid. The bubbles means the system still has air being pushed out of it.
However I cannot say whether or not it will get better with driving it or not.
Was the power steering pump messed with at all? If u tighten it at all too tight it will mess the bearing up and be loud.
When I changed the pulley on my ps pump I almost mangled the pump when reinstalling it simply by tightening the tension a hair too much. Luckily i knew why it happened and backed it off only one turn and it went away... They are very very finicky.
However I cannot say whether or not it will get better with driving it or not.
Was the power steering pump messed with at all? If u tighten it at all too tight it will mess the bearing up and be loud.
When I changed the pulley on my ps pump I almost mangled the pump when reinstalling it simply by tightening the tension a hair too much. Luckily i knew why it happened and backed it off only one turn and it went away... They are very very finicky.
01-22-2014, 10:54 AM
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Well the noise u are hearing is either lack of fluid inside the pump. Or its the bearing going. I would be more inclined to say it is lack of fluid. The bubbles means the system still has air being pushed out of it.
However I cannot say whether or not it will get better with driving it or not.
Was the power steering pump messed with at all? If u tighten it at all too tight it will mess the bearing up and be loud.
When I changed the pulley on my ps pump I almost mangled the pump when reinstalling it simply by tightening the tension a hair too much. Luckily i knew why it happened and backed it off only one turn and it went away... They are very very finicky.
However I cannot say whether or not it will get better with driving it or not.
Was the power steering pump messed with at all? If u tighten it at all too tight it will mess the bearing up and be loud.
When I changed the pulley on my ps pump I almost mangled the pump when reinstalling it simply by tightening the tension a hair too much. Luckily i knew why it happened and backed it off only one turn and it went away... They are very very finicky.
01-22-2014, 11:25 AM
#4
Not sure what u are referring to.. I did it a couple years ago, my memory is not that fresh on this subject.
U just said u had the pump changed... So it had to be tightened and thus it may have been over tightened. But either way the fluid should be flowing through it without bubbles.
I think something has been overlooked. Maybe there is something blocking flow in the new line? I could have had a cap on it to keep debris out before installation and was not removed.
If fluid is literally spewing out of the reservoir there must be a blockage and when the pump pushes the fluid it's got nowhere to go but out.
U just said u had the pump changed... So it had to be tightened and thus it may have been over tightened. But either way the fluid should be flowing through it without bubbles.
I think something has been overlooked. Maybe there is something blocking flow in the new line? I could have had a cap on it to keep debris out before installation and was not removed.
If fluid is literally spewing out of the reservoir there must be a blockage and when the pump pushes the fluid it's got nowhere to go but out.
01-22-2014, 01:05 PM
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Not sure what u are referring to.. I did it a couple years ago, my memory is not that fresh on this subject.
U just said u had the pump changed... So it had to be tightened and thus it may have been over tightened. But either way the fluid should be flowing through it without bubbles.
I think something has been overlooked. Maybe there is something blocking flow in the new line? I could have had a cap on it to keep debris out before installation and was not removed.
If fluid is literally spewing out of the reservoir there must be a blockage and when the pump pushes the fluid it's got nowhere to go but out.
U just said u had the pump changed... So it had to be tightened and thus it may have been over tightened. But either way the fluid should be flowing through it without bubbles.
I think something has been overlooked. Maybe there is something blocking flow in the new line? I could have had a cap on it to keep debris out before installation and was not removed.
If fluid is literally spewing out of the reservoir there must be a blockage and when the pump pushes the fluid it's got nowhere to go but out.
01-23-2014, 08:51 AM
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I will try that. It is a used pump with 30K miles. I wonder if the power steering pressure hose (brand new) has a cap on one of the ends causing the fluid not to fully flow?
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