Q: Water leak under dashboard

asked by on January 26, 2016

I have a water leak under the dashboard in my car.

Oil/Fluid Leak Inspection $79.99 - $89.99 Get a Quote

I have seen this issue before. There can be two kinds of liquid leaking into your passenger floorboard area. Water or engine coolant. If it seems to happen when you have the A/C on, it is probably water. The A/C builds condensation in the vent system that is under your dash. The system has a drain hole, but sometimes the hole becomes clogged with debris, and sometimes bugs like to go in there and build their nest. This is common in the spring. The solution is simple, just unclog the hole. If it is coolant that you are getting under your dash, the repair is a bit more extensive. All cars have a mini radiator under the dash called a heater core. The heater core is what actually gives you heat in the winter. If the heater core starts leaking, it will certainly be under your dash. This repair sometimes can require full or partial dashboard removal. In either case I suggest seeking the help of a mechanic, such as one from YourMechanic, to help you properly diagnose and repair your water leak.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

What others are asking

Power stearing leaking/not working need steering seal too? 2006 Chrysler PT Cruiser

Hello - if you care planning to replace the power steering pump, and the steering pump, these components will come with new seals - no additional parts needed except for hose o-rings, which your mechanic will grab too. 43K miles...

Compressor shaft seal leak

Hi and thanks for contacting YourMechanic. Put a manifold set (A/C gauge set) on the A/C ports and check the system when it is running on high A/C. Look to see what the pressures are on the high side and...

I was driving to work in a lot of rain and my windshield wipers just stopped in the middle of my windshield. Any ideas what it ma

The windshield wiper system uses a small electric motor to move the wiper arms that you see on the windshield. That electric motor is controlled through a switch, relay, fuse, and wiring. One, or more, of those electrical components has...

Would this result in the check engine light turning on?

The check engine light indicates that the engine controller (ECU) has detected a fault in the system that could effect the exhaust emissions. The ECU stores a trouble code to help technicians diagnose the problem and lights the Check Engine...

Car overheating, rust-like residue leaking out

The engine may have a head gasket leak. The residue you see is from the combustion from the engine getting into the radiator cooling system. A combustion test done on the radiator should be done to see if you have...

Noticed car leaking after alignment.

Hi there. It is not too common for a transmission service to cause a leak on this vehicle unless something was left loose. If there is a lot of fluid then the area needs to be cleaned and monitored to...

Battery jump reverse connectors

Hey there, thanks for writing in about your 2013 Kia Fote Koup. Fuses are in place to protect wiring and components from failure. By connecting the cables in reverse direction you created a surge in amperage, and the flow of...

Changed rack and pinion on 2013 Dodge Ram 1500 has electric assist steering now isn't working ? The steering fuse is good , is the

You will need to have the steering system scanned and reset the steering angle using an scanner that has the capability to do the programming of the new steering rack to the computer.

How many coils does my 2013 v6 dodge charger

Claimed by Kevin Gainer

Related articles

How to Diagnose and Repair a Faulty Windshield Washer Pump
The The role of your vehicle’s windshield washer pump is to take the washer fluid from the reservoir and circulate it through the tubes to the car’s windshield washer nozzles. The nozzles then spray the washer fluid on your car’s...
Symptoms of a Bad or Failing Crankshaft Seal
If your car is reaching high mileage or is experiencing oil leaks, it may be time to replace the crankshaft seal.
How Serious Is It When a Hose Is Leaking?
A leaking hose in your car could indicate different problems. Some leaking hoses are more serious than others, but all should be checked and repaired.