GS400 front end rattle
09-14-03, 01:17 AM
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GS400 front end rattle
I finally found the cause of the intermittent front end rattle in my 2000 GS400. This only showed up over bumps on cold mornings , and would never perform when I took the car for a test drive with a mechanic.
Last week, I drove over a bad speed bump too fast, and the noise became much louder and more persistent. For the first time, I was able to hear it when I bounced the front suspension on the passenger side. Of course, this was 800 miles after the warranty expired.
There were a number of helpful posts on this web site that suggested possible causes. So, I purchased a set of Ultra Ramps with extensions, and crawled underneath with a flashlight. The cover under the engine was easily removed, and I found that the sway bar bracket on the passenger side was loose. The four bolts holding it on were not even finger tight. I tightened them and the problem is completely gone.
The good news is that it was easily fixed in less time than it takes to drive to the nearest Lexus dealer.
Last week, I drove over a bad speed bump too fast, and the noise became much louder and more persistent. For the first time, I was able to hear it when I bounced the front suspension on the passenger side. Of course, this was 800 miles after the warranty expired.
There were a number of helpful posts on this web site that suggested possible causes. So, I purchased a set of Ultra Ramps with extensions, and crawled underneath with a flashlight. The cover under the engine was easily removed, and I found that the sway bar bracket on the passenger side was loose. The four bolts holding it on were not even finger tight. I tightened them and the problem is completely gone.
The good news is that it was easily fixed in less time than it takes to drive to the nearest Lexus dealer.
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