Toyota highlander water leak passenger side

Hi, have had wet carpets front and back for a while now. I finally removed carpet to the back seat row to expose bare floor. When sitting level and not driving, even in heavy rain, toyota highlander water leak passenger side, water does not enter. So I drove the vehicle in a pouring rain and whenever I braked, water was seen oozing from the side floor body wall BEHIND the driver's, and to a lesser extent, the passenger seat as well.

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Toyota highlander water leak passenger side

The source of the leak turned out to be missing rubber grommet hole plugs under the rear bumper. Water was flowing into the holes and collecting inside the frame of the car, eventually making its way into the cabin. The same principle can also be applied when troubleshooting water leaks on other models of Toyota or Lexus cars, as they often share similar parts and frame design. A water leak can cause corrosion or some serious damage to the electric system, and in my case to the hybrid battery located on the floor under the rear passenger seat. It can also cause mold and bad smell if the water stays on the carpet for too long. The problem was well hidden from plain sight. I tried many of their suggestions, like cleaning sunroof or AC condenser draining tubes, checking doors and roof racks insulation, door trim and windows weather moldings, etc. Months went by, and I kept dealing with wet carpets and kept checking online forums for the latest updates on this problem. At that point, I was willing to try anything in Florida it rains every single day in summer…. Removing the rear bumper cover was quite easy. There will be two screws under the rear door, three more in the wheel wells on each side, and two screws holding each mudflap. In addition, there will be 5 more screws and 5 push-pin fasteners on the bottom of the bumper cover. Those screws and fasteners come in all sorts of shapes and sizes, so you may want to keep them organized or take notes where everything goes. Also, you are likely going to break some of the push-pin fasteners as they become stuck from the road grime and snap very easily. You will need them to secure the bumper cover back in place.

Dave answered 3 years ago.

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Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Did you had problem with water leaks with your 4th gen Highlander?

Toyota highlander water leak passenger side

The source of the leak turned out to be missing rubber grommet hole plugs under the rear bumper. Water was flowing into the holes and collecting inside the frame of the car, eventually making its way into the cabin. The same principle can also be applied when troubleshooting water leaks on other models of Toyota or Lexus cars, as they often share similar parts and frame design. A water leak can cause corrosion or some serious damage to the electric system, and in my case to the hybrid battery located on the floor under the rear passenger seat. It can also cause mold and bad smell if the water stays on the carpet for too long.

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For a better experience, please enable JavaScript in your browser before proceeding. We tried to immediately and thoroughly dry up the water and moisture in the carpet, but it would come back every single time after it rained outside. The driver side is dry, but I'll be proactive and do the same during today or tomorrow. It was pretty clogged and took a few tries. While this was not a fun job, especially pulling out the wire boxes, but it saved me a lot of money. Do you still have questions? Not sure what to do at this point. I removed the entire interior carpet shampooed it, and let it dry in my garage for two weeks. I finally removed carpet to the back seat row to expose The very first symptom was a bad smell.

If your Toyota Highlander is leaking water, it could mean a few different things are happening.

Thank you soooo much!! We used a Kabob skewer and an air hose. My wife has a Highlander Base, no sunroof, no third row. Poured vinegar to rinse out. Btw today I was in a Toyota shuttle to pickup my car, and the other person had the same problem, same model. Sure enough, a good amount of running water was flowing directly inside the holes. Imagine my surprise when I discovered soaking wet carpet under our rubber floor mats. Don't have an air compressor Here's where I learned about how to do it. Before i start, i want to state that i'm not a native english speaker, so there might be a few mistakes along the way. Then flushed with very hot water. Then used a wire to dig around the drain and vacuumed up again.