how to find water leak inside lexus

Asked by Feb 06, 2014 at 03:48 PM about the 2009 Lexus RX 350 AWD

Question type: Maintenance & Repair

after raining for a couple of days, found a puddle of water in driver side floor mat, can't find where leaks, can you help with suggestions. Thanks

1 Answer

3,365

One of the common issues where we had leaks on RX350's were actually from the back hatch support brackets. The body leaks and the carpet can be wet from the back all the way to the front. Not saying thats what it is but it's a possibility. Sunroof drains run through the rocker panels, maybe a tube is pinched or broken and is draining inside and not out? Ive seen in high humidity situations the evaporator core drain bein clogged and water backing up and running out of the case all over the floor on both sides.

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