Christian Hampton Posted March 11 Share Posted March 11 Hey guys i hope all is well, I have a 2007 Ls460L with 132,000 miles and i've been experiencing a heavy vibration/ shutter around 40 mph and it gets worse and worse in stop and go traffic but goes away for the most part at highway speeds (No check engine light). I recently took it to my mechanic and he changed my spark plugs hoping it would solve the problem and it was unsuccessful. I also had the tcu software updated through the lexus dealership and it did'nt resolve the issue either. Ive taken the car to 3 different autoshops and they cant seem to diagnose the issue with out wasting my money hoping it resolves the issue. I also recently just found out i have a coolant leak (i'm not sure if it has to do with the vibration issue) I hope someone can help Quote Link to comment Share on other sites More sharing options...
RX400h Posted March 12 Share Posted March 12 Does it still vibrate if you let off the gas? It looks like it could be a suspension issue. Quote Link to comment Share on other sites More sharing options...
Christian Hampton Posted March 15 Author Share Posted March 15 Once i let off of the gas the vibration goes away Quote Link to comment Share on other sites More sharing options...
RX400h Posted March 16 Share Posted March 16 What happens if you place the transmission in neutral and raise the engine rpm? (When the engine had been warmed up) Quote Link to comment Share on other sites More sharing options...
Christian Hampton Posted March 16 Author Share Posted March 16 Nothing occurs, no vibration or shutter Quote Link to comment Share on other sites More sharing options...
RX400h Posted March 17 Share Posted March 17 There was a big discussion about a similar issue, but apparently it was AWD LS460s. The TSB on page two starts with model year 2012, I believe. Quote Link to comment Share on other sites More sharing options...
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