Elton Posted March 23, 2010 Share Posted March 23, 2010 Just replaced third radiator in 4 last 4 years on 2004 RX with 90,000 miles. Test for current reveals 0.5 volt in coolant and technician suggests that this is cause of radiator failures. Left rear axle came apart at outer joint 3 months ago and u-joint seizing up as of yesterday. Could current be flowing through axle and driveshaft causing these failures?? If so, how to get rid of this current? Any help much appreciated! Quote Link to comment Share on other sites More sharing options...
maxSteel Posted March 23, 2010 Share Posted March 23, 2010 Just replaced third radiator in 4 last 4 years on 2004 RX with 90,000 miles. Test for current reveals 0.5 volt in coolant and technician suggests that this is cause of radiator failures. Left rear axle came apart at outer joint 3 months ago and u-joint seizing up as of yesterday. Could current be flowing through axle and driveshaft causing these failures?? If so, how to get rid of this current? Any help much appreciated! Never heard of this before. Google search turned up this: http://www.rondavisradiators.com/tech.htm Quote Link to comment Share on other sites More sharing options...
maxSteel Posted March 23, 2010 Share Posted March 23, 2010 Lots of other links too. This one was informative: http://www.drivewerks.com/Newsletter/vol-7.htm No mention of any effect on axle or u-joint. Quote Link to comment Share on other sites More sharing options...
code58 Posted March 24, 2010 Share Posted March 24, 2010 Elton- I doubt that the axle failure had anything to do with electrolysis. The 2 links that Maxsteel gave you pretty much points you in the right direction. Electrolysis is very real AND destructive! Any time I had to replace a radiator prematurely (I consider anything less that 10-12 years at earliest, if the cooling system has been WELL maintained) I would test for electrolysis any time a radiator shows signs of errosion from the inside (pinhole or pinholes). The aluminum radiators generally give less problem than the copper ones did. Good Luck! Quote Link to comment Share on other sites More sharing options...
Elton Posted March 24, 2010 Author Share Posted March 24, 2010 Elton- I doubt that the axle failure had anything to do with electrolysis. The 2 links that Maxsteel gave you pretty much points you in the right direction. Electrolysis is very real AND destructive! Any time I had to replace a radiator prematurely (I consider anything less that 10-12 years at earliest, if the cooling system has been WELL maintained) I would test for electrolysis any time a radiator shows signs of errosion from the inside (pinhole or pinholes). The aluminum radiators generally give less problem than the copper ones did. Good Luck! Thanks all for your comments and references to links re this matter. Am feeling a little better re axle and u-joint unrelated to the electrolysis! Quote Link to comment Share on other sites More sharing options...
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