Coolant tank leaking but dont know where its not leaking at the tank under the car on passenger side

The sensor is in the bottom of the coolant tank on the passenger side of the car. My low coolant light stayed on so I cut the wires and twisted them together. You cant buy just the sensor. You have to buy the whole tank. I dont have any coolant leaks so I just by passed the sensor.

look for a leak from the drain hole under the pump housing, if no leak not a water pump
take the car to a radiator specialist shop and have a coolant pressure test done to determine where the leak is
if it has plastic tanks for the radiator , they split with time and leak under pressure and a pressure test will reveal exactly where the leak is unlike a guess

If the leak is on the engine it could be the water pump.

I'd have to see it in person to comment. The water pump is on the passenger side of the van.
A mechanic would fill the cooling system then pressure test it for leaks.

You dont mention the year, make or model of your vehicle but generally a fluid leak on the passenger side interior is a coolant leak possibly from a defective heater core.Does it have a sort of sweet smell like antifreeze ? Also check under the hood to see if your engine coolant is low.

HI, The easiest way to find a cooling system leak to preform a pressure test. This test requires the use of some special equipment so I will just give you some common areas of these engines that leak. 1. check the upper radiator hose at the radiator. the plastic tank cracks sometimes. 2. check around the thermostat housing. 3. The worse for last there is a coolant passage tube that runs under the intake manifold almost impossible to see without taking things apart. but when it leaks the coolant seems to show up n the floor on the passenger side back by the firewall. I hope these help and you can locate the problem. Be careful when looking for these problems when the engine is hot you can get burnt. Good luck

did you have your ac on.......your condensation will leak on the ground under passenger side and this is ok and normal......when you checked your oil was it yellowish? if so then it may have water in it...

The only thing i can think of is, its a vent tube of some sort, but i can't understand why it comes out from under fuel tank, unless it runs from top of tank around under tank and back up and it looks like its commimg from bottom of tank.

sound like the heater core. you can bypass the heater core. there are 2 hoses under the hood on the pass side of the vehical on the fire wall undo the hose clamps on both hoses and ties the 2 hoses together

The anti freeze goes into the radiator, if the fluid level is really really low, otherwise it goes into the coolant expansion tank which is a black plastic tank on the passenger side of the vehicle, and will say engine coolant on it. You just pop the cap and fill to the line. Leave some room for the liquid to expand when it gets hot.