Curtis_ Posted November 17, 2010 Share Posted November 17, 2010 I own a 1998 GS300 with nearly 100k miles. When I drive over fairly significant bumps, I hear a squeaking sound (not super high pitch, but not a clunk or thud) coming from my front passenger side. Any ideas as to what this might be? I had my oil changed and tires rotated at the dealer about 1,000 miles ago, and they did not mention anything. I have owned this car for a little over a year, and as far as I know, ball joints, shocks, control arms, etc. haven't been changed. Any help would be much appreciated. Quote Link to comment Share on other sites More sharing options...
intakerGS Posted November 17, 2010 Share Posted November 17, 2010 Sometimes the rubber of the upper strut mounts or arm-bushings get dry. Lubricate with some Silicone Spray or WD40 to see if this reduces the squeaking noise. I strongly suggest you have the ball-joints checked, never can be too sure about that! My BJ's were replaced around 80-90K miles. Quote Link to comment Share on other sites More sharing options...
Curtis_ Posted November 17, 2010 Author Share Posted November 17, 2010 Has anyone had their Lexus dealer replace ball joints? If so, how much did they charge? Quote Link to comment Share on other sites More sharing options...
Curtis_ Posted November 19, 2010 Author Share Posted November 19, 2010 Is it considered "improper" to list dealership repair costs on this site? Quote Link to comment Share on other sites More sharing options...
99Aristo Posted November 29, 2010 Share Posted November 29, 2010 Try lubing the upper control arm bushings or buy the Daizen ones, they are inserts and are much better, and they come with lube too. Make sure to lube those bad boys up good though.... Quote Link to comment Share on other sites More sharing options...
Curtis_ Posted November 29, 2010 Author Share Posted November 29, 2010 Dealership says they isolated the noise to the lower control arm, and that the driver side lower control arm is just as "loose" so they both need to be replaced. Does this sound legit? Quote Link to comment Share on other sites More sharing options...
Curtis_ Posted November 30, 2010 Author Share Posted November 30, 2010 I checked with Sears, and they will replace both lower control arms for about 70% of what the dealer is quoting. So my question becomes, why go to the dealer if warranties on labor and parts at both places are the same? As you can tell, I don't have enough experience/know how to do this myself. Quote Link to comment Share on other sites More sharing options...
intakerGS Posted December 1, 2010 Share Posted December 1, 2010 It shouldn't be that complicated for an experienced mechanic or shop to replace c-arms. Therefore, I see no reason not to save some dineros. Quote Link to comment Share on other sites More sharing options...
Curtis_ Posted January 5, 2011 Author Share Posted January 5, 2011 Took the car to my trusted mechanic. Upper ball joints was the diagnosis (by the way, are these integrated with the upper control arms?). The vast majority of the noise is gone, but I still have a slight knock now when I go over bumps. Any advice? By the way, mechanic charged me ~$1,600 to replace upper balljoints/control arms! Quote Link to comment Share on other sites More sharing options...
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