water leaks

Asked by Nov 10, 2012 at 04:21 PM about the 2003 Toyota Matrix XRS

Question type: Maintenance & Repair

The floor on the right hand side of the car is always soaking wet.  could the sunroof have a leak and
water gets in when it rains?

10 Answers

45

Sounds like you might have a heater core leaking..

1 out of 1 people think this is helpful.
45

Heater core

35

Could also be the windsheild thats not well sealed

1,065

Does it smell like coolant? Heater-core. No smell? Windshield leak, sunroof drains, or AC condensate drain.

1 out of 1 people think this is helpful.
20

If it does not smell like coolant and there has been no body damage that could affect door or window seals, then it's probably one of three things. 1. It could be a leak from the sunroof but if it is then the liner should be wet and a seal is damaged or the sunroof drain is plugged. Look online for a video on how to fix. 2. It could be an air conditioning drain hose plugged or disconnected. Pull up the front passenger carpet and you should see a drain tube exiting through the floorboard. 3. Most likely if you have a lot of water on the passenger side floor after a rain or a wash, it's a plugged drain hole at the bottom of the windshield cowling - that part at the bottom of the windshield with slots in it. Open the hood, use your fingers to release the plastic fasteners, remove the rubber and the metal cowling, then look down in the opening near the passenger side for debris plugging the drain hole. Clean it out, reassemble, and you should be good to go.

2 out of 2 people think this is helpful.

Could just be a dirty gasket not sealing well. Clean it off with mild detergent & water. Age with these guys about clogged drain hose, too.

Meaning the square-ish sunroof gasket.

10

My 2009 Matrix had wet floor in passenger side. Checked drain hole in sun roof, completely plugged. Cleared drain, should be the floor leak fixed.

10

Sorry! Floor on passenger side soaking wet after it rained all night,,so I guess the sunroof drain not the problem after all. I will try the windshield cowling next as per Stan's solution no. 3 above.

1 out of 1 people think this is helpful.
10

Make sure the rubber gasket seal around the glass is clean. Simple accumulated dust over time made mine start to leak. I wasted $40 on a new gasket when it was a simple cleaning and maintenance issue.

1 out of 1 people think this is helpful.

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