Question about 2004 Chevrolet Monte Carlo

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2004 monte carlo leaking water into the interior

It only happens when it rains but it doesnt happen everytime it rains its very random only when it rains. But water will be standing in my passenger side and only the passenger side, and one day i was in my car and i noticed a drip from the dash on the passenger side hit the floor and it was raining outside going down the road, ive had it checked to see if i had a leak anywhere in my coolant system or heater core and it was all good, I also have a friend with a 2004 impala ss and it does the same thing as mine, so it just isnt my car im wondering if its a flaw with GM on these cars

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  • daniel_mille Jan 19, 2009

    Well i have bought the car only a year ago but it hadnt done it at till couple months after, but like i said it only happens when it rains but not everytime though, and yeah it drips under where your feet would be.

  • et1076 Feb 19, 2009

    talk about deja vu. i have an 05 monte carlo. exactly the same thing. leaking from the dash. passanger side only. and the best part is my GM warranty wont cover getting it fixed. im taking it to my friends shop in a couple days. hopefully we can figure out what the problem is. will keep you posted

  • Mike Butler
    Mike Butler May 11, 2010

    Did this just recently start doing this, or has it done it since new?

    The drip you seen, was from under the dash area, by where your feet would be ?

  • Anonymous Mar 22, 2014

    when it rains my trunk leaks

  • Anonymous Mar 25, 2014

    passenger floor gets wet after heavy rainfall

  • Anonymous Mar 27, 2014

    Water leaks from outside and pools on floor of passenger side

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  • Chevrolet Master
  • 6,674 Answers

Have someone remove cowl or cover to access cabin air filter box area, and clean it out good. Build up of leaves & other debris has been known to cause leaks inside because of drainage plugged.

Posted on Jan 19, 2009

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