EmLexusRX Posted April 13, 2009 Share Posted April 13, 2009 We purchased a used '04 RX330 in November and love it. My husband recently noticed that there is a popping/knocking/bumping noise when we decelerate (happens at about 20mph). It doesn't happen all the time and seems to happen more with him when he is coasting to stoplights, etc. Has anyone had the same issue? Quote Link to comment Share on other sites More sharing options...
pauljcl Posted April 13, 2009 Share Posted April 13, 2009 We purchased a used '04 RX330 in November and love it. My husband recently noticed that there is a popping/knocking/bumping noise when we decelerate (happens at about 20mph). It doesn't happen all the time and seems to happen more with him when he is coasting to stoplights, etc. Has anyone had the same issue? Check whether your exhaust pipe/muffler is not loose at some attachment point Quote Link to comment Share on other sites More sharing options...
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