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99 tl - power steering pump
1999 Acura TL

99 TL - Power Steering Pump

(1999 Acura TL)
I have a 99 TL with 232K. Just got all 6 ignition coils replaced, replaced power steering pump, power steering line, fuel injection service..etc.

Now there is a whining noise and have taken it back to the mechanic and he says he looked at everthing and reflushed everything but still sees that the noise is still there. He says the whining noise (frequent at first with new power steering pumps) should have already died away but could take up to 300 miles to allow the pump to be broken into .

He did say that if after 300 miles, the noise is still there, I can take it back and he will order another pump and install.

Anyone share their experience? Is this common ?
3 answers & 0 comments
Popular Answer
on July 10, 2014
I know it's probably 3 and a half years late but hopefully, this will help others. This noise is caused by air leaking into Power steering pump. The symptoms are steering fluid over-flow after turning the wheel a few times, whining/squeaking noise and the fluid bubbling when you open the reservoir. Solution: Change the two O-rings on the power steer pump (upper and lower). It is very easy to do and should take about 15-20 mins if not less. They have youtube videos for this, here's a video for a 99 Acura TL (lower O-ring): http://www.youtube.com/watch?v=Wf-_qp1y4yc ----- Upper O-ring tutorial: http://www.youtube.com/watch?v=7YC_XmaCR6k
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on July 10, 2014
I know it's probably 3 and a half years late but hopefully, this will help others. This noise is caused by air leaking into Power steering pump. The symptoms are steering fluid over-flow after turning the wheel a few times, whining/squeaking noise and the fluid bubbling when you open the reservoir. Solution: Change the two O-rings on the power steer pump (upper and lower). It is very easy to do and should take about 15-20 mins if not less. They have youtube videos for this, here's a video for a 99 Acura TL (lower O-ring): http://www.youtube.com/watch?v=Wf-_qp1y4yc ----- Upper O-ring tutorial: http://www.youtube.com/watch?v=7YC_XmaCR6k
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on December 28, 2010
it's not uncommon for power steering fluid to get full of air bubbles which make a whining noise after replacing parts. In a couple of days at the most, the air should separate and the noise should go away. Be sure there's enough fluid in the system. If it's low, it'll whine forever..
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on December 26, 2011
I have a 1999 Acura TL with 242K. My problem started with a whining power steering pump in which he fluid would foam up and overflow the reservoir. The pump appeared to whine more when I turned the wheel in one direction. The mechanic noticed the rack leaking. So we decided to change the rack. The mechanic told me, when I picked the car up after replacing the rack, that the pump was still whining. He didn't offer an opinion. I thought that the system might still air in it. However several hundred miles later it's still making noice. It usually quiets after about a half hour of driving. I plan to take my car back. I'm beginning to suspect that it was the pump all along. Acura Service Bulletin 01-005 talks about noice created by insufficient grease in the pump bearing. The solution is to replace the bearing.
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