You can either inject a coloured or UV dye into the lower side service port and then where ever it appears out of is the fault.
Normally a sign of a coolant leak in the oil cooler. Replace ASAP.
Pressure test cooling system to find leak Could be freeze plug, water pump, thermostat housing, bypass hoses etc.
A water leak from the radiator in to the passenger compartment is usually a sign of a leak in the heater core. If the water is not from the radiator then there may be a leak in a window or door seal, or a hole in the undercarriage that is allowing water from the road to soak the carpet..
A vacuum leak on a 1999 Ford Ranger can be located using an automotive stethoscope. It can then be move around the engine to detect the sucking noise of a leak.
Find where the leak is. Then seal it. The sealing may take different forms depending on where the leak is.
find the leak could be any of the breaking system its a ford
The most common leak points on a fiesta depend on which engine; the old 8 valve lumps tend to seep around the rocker cover & by the drive-shaft seal. Neither is an expensive fix and usually will not empty the sump any faster than about 2 weeks of hard driving so can be added to the next scheduled service
I am having a stalling problem and I heard it can be the cause of a vacuum leak and if that is true how can i fix it and where is it at?
Mine is in the timing chain cover gasket. You can find your leak by pressure testing your coolant system.
Where is the leak from? The fuel filler? The fuel tank? A fuel line? Does the leak occur only when the engine is running? Does the leak only occur when the vehicle is parked on an inclined surface?
probly your head gasket...
Have the coolant system pressure tested, the pressure test will increase the coolant leak.