raregula Posted May 28, 2012 Share Posted May 28, 2012 I have a 2006 GS430 with an Auto Gearbox which has been great from new. Recently, it developed a strange BANGING/CLUNKING noise which appeared to be coming from the Gearbox area of the vehicle. Having seen 2 mechanics, they diagnosed the problem with a tool called ADS-1 All Cars Fault Diagnostic Scanner and found the problem should be the Transfer Box. We removed the transfer box and re-conditioned it, fitted it back on the car and the noise is still there.... Now the mechanics think it is the gearbox but neither are sure that the gearbox is causing the noise. Obviously don't want to go to the expense of removing the gearbox only to be told that it is not the problem and wondered if anyone has experienced the same issue ? Any help would be greatly appreciated. Thanks Quote Link to comment Share on other sites More sharing options...
raregula Posted November 15, 2012 Author Share Posted November 15, 2012 is there anyone can help me? Quote Link to comment Share on other sites More sharing options...
nc211 Posted November 15, 2012 Share Posted November 15, 2012 Only two things I have EVER cause any problems with a Toyota/Lexus transmission in the 8 years I've been on here, and 3 of their cars, is the following: 1) - Transmission mount. 2) - Wrong type of transmission fluid. Before you do anything at this point, I'd make sure your fluid is Toyota Type VI ONLY, and you don't have a worn out mount (or possibly suspension bushing). Anything that I have ever heard if that was described as a "banging" sound in these cars, ever....has always had something to do with a rubber mount or bushing....not mechanical. Quote Link to comment Share on other sites More sharing options...
clubfoot Posted November 16, 2012 Share Posted November 16, 2012 Also check drive shaft cross members. Quote Link to comment Share on other sites More sharing options...
raregula Posted November 19, 2012 Author Share Posted November 19, 2012 thank you for you help it is very good Quote Link to comment Share on other sites More sharing options...
raregula Posted December 11, 2012 Author Share Posted December 11, 2012 i have solve it and thanks very much for your help Quote Link to comment Share on other sites More sharing options...
raregula Posted December 19, 2012 Author Share Posted December 19, 2012 Only two things I have EVER cause any problems with a Toyota/Lexus transmission in the 8 years I've been on here, and 3 of their cars, is the following: 1) - Transmission mount. 2) - Wrong type of transmission fluid. Before you do anything at this point, I'd make sure your fluid is Toyota Type VI ONLY, and you don't have a worn out mount (or possibly suspension bushing). Anything that I have ever heard if that was described as a "banging" sound in these cars, ever....has always had something to do with a rubber mount or bushing....not mechanical. very good thanks very much for your help! Quote Link to comment Share on other sites More sharing options...
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