godfather18 Posted July 14, 2006 Share Posted July 14, 2006 My Uncles 1994 Lexus ES300 suspension is in great shape but his rear end of his car makes a thumping noise when he goes over small bumps. Now I read that if your bump stop are drie that they start to make noise is this true and does anyone have any suggestions on how to lube these bump stops. Quote Link to comment Share on other sites More sharing options...
SupraMan Posted July 14, 2006 Share Posted July 14, 2006 My Uncles 1994 Lexus ES300 suspension is in great shape but his rear end of his car makes a thumping noise when he goes over small bumps. Now I read that if your bump stop are drie that they start to make noise is this true and does anyone have any suggestions on how to lube these bump stops. This may be from sway bar grommets that are dried out from age/use, as it was with my 1996 ES300. I accidently ordered 2 sets of repacement urethane ones to fix the problem (it did for me, anyhow). They are better, because they are higher durometer (harder and much more responsive) than the OEM rubber ones. That back bar is key to tight turn in response, so this is a good place to start either way. Let me know if you are interested, it will save me the eBay listing effort! Quote Link to comment Share on other sites More sharing options...
amf1932 Posted July 14, 2006 Share Posted July 14, 2006 My Uncles 1994 Lexus ES300 suspension is in great shape but his rear end of his car makes a thumping noise when he goes over small bumps. Now I read that if your bump stop are drie that they start to make noise is this true and does anyone have any suggestions on how to lube these bump stops. The "bump stops" are for large bumps not small bumps, so I would check the rear struts to see if the shock absorbers are doing their job properly. Quote Link to comment Share on other sites More sharing options...
godfather18 Posted July 14, 2006 Author Share Posted July 14, 2006 My Uncles 1994 Lexus ES300 suspension is in great shape but his rear end of his car makes a thumping noise when he goes over small bumps. Now I read that if your bump stop are drie that they start to make noise is this true and does anyone have any suggestions on how to lube these bump stops. The "bump stops" are for large bumps not small bumps, so I would check the rear struts to see if the shock absorbers are doing their job properly. okay then what preventive messures should I take so it wont happen to my 1996 ES300, as far as the bump stops and strut mounts are concerned? Quote Link to comment Share on other sites More sharing options...
john stempeck Posted August 9, 2007 Share Posted August 9, 2007 My Uncles 1994 Lexus ES300 suspension is in great shape but his rear end of his car makes a thumping noise when he goes over small bumps. Now I read that if your bump stop are drie that they start to make noise is this true and does anyone have any suggestions on how to lube these bump stops. This may be from sway bar grommets that are dried out from age/use, as it was with my 1996 ES300. I accidently ordered 2 sets of repacement urethane ones to fix the problem (it did for me, anyhow). They are better, because they are higher durometer (harder and much more responsive) than the OEM rubber ones. That back bar is key to tight turn in response, so this is a good place to start either way. Let me know if you are interested, it will save me the eBay listing effort! I didn't realize you could just replace the gromments and not the entire sway bar or side bars. How do you do this? John Quote Link to comment Share on other sites More sharing options...
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