I have a water leak. I have isolated it to a small black rubber tube, aboutn an inch long, protruding under the vehicle, pointing at the ground, just to the left of the forward U-joint. The fluid is clear, colorless, odorless and tasteless, with the consistency of water. Tube projects out of a sheet metal housing of some sort. What is this tube, and why would water be coming out of there? All other fluids are at appropriate levels.
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The evaporator drain tube is located at the bottom front side of the a/c box at it"s lowest point .It is a rubber/plastic hose about half inch in dia and goes out the fire wall behind the engine it should protrude around 3 " in the engine bay
I have noticed this condition in a few cars and have found the solution to be one of the following in each incidence ; Cause :The drain plug in the floor board was dislodged / missing. (assume that someone had spilled or inundated the rear compartment floor pan at one point and dislodged the plugs to relieve the excess?). Correction : reseal the plug holes (bung holes). Inspection proposal ; Lay on the ground and inspect the underside of the suspect area of the vehicle. Note the 2.5 inch diameter simetrical holes with black rubber plugs protruding them. Note condition and presence of plugs.
The front right inner fender (plastic liner that isolates the splash from tread water exhaust) is compromised , allowing the water to flow from the tire to the interior rear floor pan via the hollow thresh hold under the doors (assuming they have not rotteed out yet) to the point in the upper structural pillar between the front and rear compartments.
Solution ; GREATSTUFF the area and paint with a matching paint color.
broken gas line ? cut line twice ( each side once) with pipe cutter (small plumbing tool) cut it long enough to be able to put the rubber hose you are buying, usually 6 inches of rubber hose for 4 inches of tubing cut off. remember to slide the 2 clips to hold the rubber hose secure and tighten them. test to see if it's good .
AC drain plugged. It looks like a rubber tube, and is typically found protruding from the firewall under the hood, close to the floorboard area. Run a small screwdriver through it to pull out any leaves and dirt.
The heater core inside the passenger compartment is leaking. The water is draining through the Air Conditioner condensor drain tube. Don't plug the drain tube, the passenger side floor will get wet.
First, drain cooling system (or be quick) and disconnect the two heater hoses that are going into the firewall and splice the ends together with a 5/8" garden hose splicer.
The leak will stop, but your heater will not heat the interior.
same problem happened to my 2005 bonneville. inside the trunk and behind the carpet covering the wheel wells there are two water drain tubes. these tubes run down the inside of the "c" pillar and drain the water from the sunroof. they make a 90 degree bend at the bottom back of the wheel well(inside the trunk) and fit inside a round rubber tube/grommet at both of the rear wheel wells that lets the water drain outside.either the plastic 90 degree tube has come out of the rubber tube/grommet or the drain tube could be plugged up with debris. also make sure the two round rubber tube/grommets are installed correctly and seal the hole going through the trunk to the outside of each wheel well. this is of course only for those bonnevilles that have a factory sun/moon roof.
There is condensation that occurs when the warm, humid air passes over the evaporator in the system. This is the part that produces the cold air inside by removing the heat through a process of evaporation. The water collected is allowed to run out of the assembly through a drain that protrudes through the firewall of the vehicle. I believe this is plugged. Look for hole on the firewall insulating material that has a small, black tube coming out of it. It won't be real long, just enough to stick out past the firewall. Use a short piece of coat hanger, drill bit, etc... to clean it out. DO NOT push anything in there more that 2-3 inches to avoid damage to the heater core or evaporator. If it's too plugged, the dash will have to come apart. I hope this works for you.
Raise Vehicle ONPASSINGER SIDE And Support with Jack-stands, Get under the PASSINGER SIDE and look for A RUBBER TUBE Protruding from A/C HOUSING ABOUT 1 inch long USE A SMALL FLATHEAD Screwdriver and Gently POKE It the Hole of Drain Tube . Be Careful as the WATER that comes OUT SOMETIMES IS DISGUSTING and SMELLS Awfuland SOMETIMES get CLOGGED up and You have to UNCLOG them.
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