Toyota highlander water leak passenger side

Hi, have had wet carpets front and back for a while now.

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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.

I removed the rubber floor mats to find the entire floor was wet, front and second row. I removed the entire interior carpet shampooed it, and let it dry in my garage for two weeks.

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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

If your Toyota Highlander is leaking water, it could mean a few different things are happening. Some water is completely acceptable. It depends on the situation. If you are trying to figure out if your Toyota Highlander is leaking water , the first thing we need to do is determine if you have coolant or water underneath of the vehicle. Coolant is sweet smelling and is typically orange, green, or pink. It might not seem possible to determine the color of the liquid in question, but a paper towel allowed to soak up enough coolant definitely will begin to show pigment. Water is tasteless and odorless. Here are the most common reasons that water may leak from your vehicle not coolant, that is covered below.

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Next, I started looking for any spills in the car. Im thinking that Toyota have used same basic flawed design principles for both, and now the class action for the roof rail issues. The job wasn't hard, but time consuming. When I injected water into the holes in the frame that the molding fit into, with the car FLAT, level and parked, it just drained out the bottom. I does not peel off at highway speeds and I no longer have any rain problems. Jenn answered 5 years ago. However there's no easy way of accessing that part of the car. The very first symptom was a bad smell. Guru72H9V answered 3 years ago. 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. Any hints?

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.

Top Contributors this Month View All. I found and ordered exact match new rubber plugs and covered the holes. I had just installed the missing plugs and sealed them so they wouldn't fall out again. JavaScript is disabled. I removed the rubber floor mats to find the entire floor was wet, front and second row. A stopped up drain sounds reasonable, but am not mechanically inclined and totally green when it comes to figuring out exactly what your instructions are, Dave and Michael. This seems to have fixed the leak from the right rear area. Sign up. Do you still have questions? Guru72H9V answered 3 years ago. I found that there is another way water gets into these highlanders from outside. I searched and searched for solutions too. Poured vinegar to rinse out. Michael- where exactly are these drains?