RX - 1st Gen (1999-2003) Discussion topics related to the 1999 -2003 RX300 models

Rebuilding the suspension - do I need these?

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Old 09-28-08, 03:05 PM
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JAB
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Default Rebuilding the suspension - do I need these?

My 1999 RX300 has 167K and all original suspension parts. Its time to rebuild. How do I know whether I will need the 'supports' which in the front consists of the 'support, mount plate, and upper seat back;' and in the rear a single part called 'support?'
Old 09-28-08, 04:22 PM
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sktn77a
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If you're going to replace the struts, you should replace the strut mounts (rear) and strut mount bearings (fronts). You might get lucky but they had a TSB for failure of these parts in the 99 RX300 so yours are probably bad.
Old 09-28-08, 06:34 PM
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AlexusAnja
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Default 200k

Originally Posted by JAB
My 1999 RX300 has 167K and all original suspension parts. Its time to rebuild. How do I know whether I will need the 'supports' which in the front consists of the 'support, mount plate, and upper seat back;' and in the rear a single part called 'support?'
Way to go... 167K. My shocks didn't even get to 100k and had to have them replaced. $1500 job for all four.

Try to avoid the stealerships if you can.
Old 09-29-08, 01:53 AM
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code58
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Originally Posted by sktn77a
If you're going to replace the struts, you should replace the strut mounts (rear) and strut mount bearings (fronts). You might get lucky but they had a TSB for failure of these parts in the 99 RX300 so yours are probably bad.
Could be wrong on this but I believe the front upper mount plate assy. needs to be replaced. On my DIL's it made a terrible "jarring" noise that you could feel. (felt like a 37 Hudson with no shocks and the muffler dragging). For reasons of critical time constraints I pulled it out (was almost entirely the RF one) and figured a way to repair it so it was about 95% better. I could see with what I had to do to deal with it that it was a bad design (I believe it has been corrected), and next time it starts to make the noise i will replace the mount plate assy.

This was over any kind of a bump.

Last edited by code58; 09-29-08 at 01:54 AM. Reason: addtl. info
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