99 LHS Power Steering noise

3 messages, Last post on Jan 18, 2008 at 5:27 PM

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#1 of 3 99 LHS Power Steering noise by shadetree11 Jun 21, 2007 (5:19 am)
The power steering rack on my LHS makes a whining sound when turning. This only happens when the outside temperature is over 70 degrees and the car is at operation temporature. The rack was replaced about 3 years ago and started making the noise about a year after it was installed. At that time I had the system flushed to replace the ATF3 fluid with ATF4 fluid to try and stop the noise at which time they discovered the filter in the reservoir bottle was all but clogged so they replaced the bottle. Any recommendations on what I can try other than living with it or replacing the power steering rack again? Replies to this message: patrickrr (Jun 23, 2007 7:15 am)
#2 of 3 Re: 99 LHS Power Steering noise [shadetree11] by patrickrr Jun 23, 2007 (7:15 am)
Replying to: shadetree11 (Jun 21, 2007 5:19 am) I have a 2000 LHS that does the same exact thing. It has to be humid then it starts. I have flush the power steering fluid as well. To me the sound it more at firewall. I think the steering gears at the firewall must not keep moisture out. If I could crack the thing open I would try to spray some lube in it.
#3 of 3 Re Re: LHS Power Steering noise [shadetree11] by lhs976 Jan 18, 2008 (5:27 pm)
i have a 2001 and it does the same thing. i brought it to the dealership and they sprayed it for me. seems to have done the trick.