PeterR Posted August 13, 2015 Share Posted August 13, 2015 Hi I have bought a 2012 IS350FSport. I recently had to change rear tyres and bought Michelin PS3 tyres which I had on my previous R36 with no problems. The front tyres are Pirelli Cinturato P1s. I'm getting a really loud "whoomping/whirring" noise, if that's the correct description. Especially at low to mid speeds. It disappears over 100kph. It's not road noise per se its different. Has anyone ever experienced noise, I presume from tyres, in the 350FSport like this? It just doesn't seem normal for what you would expect from a lexus re noise. My mechanic says its the Pirellis but..................... Quote Link to comment Share on other sites More sharing options...
Tony1234 Posted August 14, 2015 Share Posted August 14, 2015 I agree with your mechanic. My limited experience with Pirelli tyres is the same as yours.Twice i've had them on my cars and twice i've swapped them for another brand.Michelin PS3s are a low noise tyre Quote Link to comment Share on other sites More sharing options...
ilv1004s Posted August 14, 2015 Share Posted August 14, 2015 its the tyres does the sound increase per increase of speed? Quote Link to comment Share on other sites More sharing options...
PeterR Posted August 14, 2015 Author Share Posted August 14, 2015 No the sound doesn't increase with speed, in fact its better at speed? It's really noticeable in the 50-90kph range. The 1st reply agrees its the Pirellis, thanks, but I guess the only way I'm going to find out is to change them to match the Michelins on the rears. I said to my mechanic, and I do trust him, its the bearings but he said "no way". I was going to take it to local Lexus dealer but from past experience I'm very wary of their attitude, especially as I didn't buy the care from them. Peter Quote Link to comment Share on other sites More sharing options...
ilv1004s Posted August 15, 2015 Share Posted August 15, 2015 it wont be bearings as bearings will increase and get louder with the speed Quote Link to comment Share on other sites More sharing options...
Tony1234 Posted August 15, 2015 Share Posted August 15, 2015 From what i could work out it's something to do with the size of the tread blocks.At a certain speed range you get a humming like sound. Quote Link to comment Share on other sites More sharing options...
PeterR Posted August 16, 2015 Author Share Posted August 16, 2015 Thanks Guys Yeah, Tony1234, its a real humming noise. It sounds like it is a tyre issue and I hope by changing the Pirellis to match the rear Michelins that solves the problem. I hope. Quote Link to comment Share on other sites More sharing options...
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