Hissing sound and small amount of fluid comes out of around door area when rear wiper fluid is used. some fluid goes to rear window so I assume broken/disconnected line. how can this be repaired/replaced? 2005 Ford Escape
I was wondering I have a leak from the rear wiper. The liquid is coming out from arouhd the trim in the front around the windshield. . How do I take the trim off without breaking anything but fix the problem
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check small vacuum hose on rear of square inlet manifold top that goes throught firewall ( bulkhead ) is not cracked or has come off
it goes into cab near heater hoses. this is the vacuum supply hose
if you have no vacuum the heater controls default to go to windscreen. also check the black & white plastic little round one way valve for leaks & operation
also check vacuum hose that goes onto heater tap that is in right inner gaurd under brake master cylinder area for leaks and that its on the heater tap valve
if they are all ok check inside do you hear any hissing noises behind dash controls or down at front centre console area?
could be leaking at the top radiator hose going to thermostat, that is a hard spot to see leak remove the air filter and air filter housing look below throttle body you see thermostat housing, check for leaks around thermostat housing gasket and check for leak at the top radiator hose going to radiator and thermostat.if all is good check all radiator hoses for leaks check small coolant lines going to throttle body for leaks and check make sure bleeder screw on thermostat housing not loose it will leak also check around radiator and water pump heater bypass metal lines for leaks.
If the hissing is coming from under the hood,you have a vacuum leak at one of the hoses,EGR valve on top of the engine, or a hose off someplace like the line going down to the transmission. An easy method to check where, is toget a can of spray starting fluid, and spray a tiny bit in a few places around the engine. When you hear the engine rev up,your very close.
If the hissing is inside the cabin, check the hoses at the climate control or the blend air door motors.
I had water coming into the rear storage area. Finally found where it the leak was. The plastic panel on which the license plate mounts was leaking around the panel allowing water to run down onto a little ledge area and the enter the rear storage well at the left rear corner of the storage well. I have tightened the nuts that hold the panel against the gasket and if that does not stop it, I will loosen it an put clear silicone seal around the pane. It was hard to figure out! I had to remove the rear trim to see where the leak was. Hope this might help.
Sounds like a possible vacuum leak. A vacuum leak will cause a high idle because the intake is pulling in more air than it thinks. Air is drawn in from the air box and THAT air passes through a mass air flow sensor. This sensor measures the amount of air coming in and the computer determins how much fuel to mix with that. If you have a vacuum leak, the mass air flow sensor does not get to measure that air thus you are getting more air through the intake than what the computer is delivering fuel for, resulting in a high idle. Does the idle stay higher than normal even after its warm? Can you hear a hissing sound under the hood? One way of locating a vacuum leak is by using carburettor cleaner. With the engine running, spray around the gasket area between the intake and the head. You are listening for a sudden change in RPM. If you hear this change in RPM, that location you sprayed is the source of your vacuum leak. If not at the gasket areas, spray all around all hoses going to the intake and all hose connections going to the intake (don't forget the hose that goes to the brake booster which is what the brake fluid resivour is attached to) Again, you are trying to create a change in RPM. Good luck!
More that likely the vacuum supply hose to your heat/ ac controls is leaking or, one of the vacuum motors is unhooked or ruptured. Use a small piece of hose, if you have any, start the engine, then stick one end of the hose up to your ear and search around under the dash with the other end. Keep moving the hose until you isolate the spot where the noise is loudest.(cheap stethoscope). Use a mirror if you cannot physically see the area. That is where you will find your leak. TJ
I would first try to locate the source of the hissing. Try spraying some engine starting fluid around the hissing area and home in on the source. The engine revs will change as the starting fluid is drawn into the engine. Sounds though more like a vacuum as you have suggested.
if your car has rear drum then the wheel cylinders could be leaking and in need of replacement. If it has rear disc brakes then it could be leaking fluid where the brake hose goes into the caliper or the brake hose my be worn or have a hole in it. Or it could be a a brake line. You should have it checked because you don't want air getting into the braking system.
You need to clear the condenstate drain for the AC evaporator core, it is under the car, as far as the hissing, sounds like a vacuum leak, look for a disconnected small hose around the area of the noise.