My car has a short plug that isn't plugged up to anything and It's leaking coolant from the very front of my car and I just got the powersteering replaced and a new belt, could a hose have come unplugged, or is it possibly the short plug does something to keep the stuff runnin through there? Help!!!
It sounds like you're describing the temperature sending unit. A connector should be attached to it but if it's leaking it needs to be replaced. if your engine temp guage/light is not working that's a good indication. I think you are being distracted by the power steering work, it has nothing to do with the cooling system...unless the sensor was smacked by something and broken. Remove the plug and replace it, those engines do not survive overheating very well. Your parts store should be able to identify a suitable replacement if you take the old plug in. Good luck!
Tony
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Check the gap on your plugs, also check to make sure you don't have bad spark plug wires. At night start your car and look at the spark plugs IF you see any sparks that look like lightning then you have a bad plug, or wire.
Take off the radiator fill cap. Top off the radiator. Crank the engine.
Are there bubbles or is there water spouting out of the radiator fill hole?
Yes: likely cylinder head gasket failure or cracked header.
No: Pressure test cooling system after topping off with a pressure tester. Locate source of leak.
Assuming the water leak isn't anything to do with the non-starting situation, which it probably is though form the sound of it, also check the following:
1) Air filter 2) Fuel filter 3) Manifold Air Pressure sensor. 4) Mass Air Flow sensor.
Remove the spark plugs and crank the engine. Look for coolant to come out of spark plug holes. If the leak isn't visible anywhere else it is possible it leaked pass the head gasket and into the cylinders hydro locking the engine and not allowing it to crank.
Gday mate,geoff here, there are 3 things that can leak there, 1st is coolant as there should be a freeze plug at the back of each cylinder bank in there. 2nd engine oil as there is a seal on the crankshaft and a plug at the back of the Cam tunnel, mostly if its engine oil it will be the crank seal. 3rd is gear/transmission oil, front seal on the gearbox if that is the case, also make sure that the oil isn't coming from the top and leaking down to look like its the bell housing leaking, as the valley cover and rocker covers extend back to just above the bell housing, hope this helps, geoff.
I had the same problem.The leak was from the block heater.I did not notice any leaks on the ground,but was always low on anti freeze.The block heater came apart on the highway and blew all the fluid out of the car,luckly i shut the car off and had it towed to the shop.They replaced the block heater with a rubber frost plug to get me back on the road.Have your block heater checked,they maybe your problem has well.
rear cylinder block core plug its behind the bell housing.It has been caused by running the engine with no antifreeze which also acts as an anti corrosion inhibitor .
A blown head gasket doesn't necessarily mean there is water in the oil. Check for bubbles coming into the coolant tank. Take car for a short drive to build up coolant pressure and you should be able to see where it is leaking from a bit easier. It is possibly coming from a heater pipe or core plug.
You may want to check it with an ultraviolet dye and light kit.You can get a kit from a good auto parts store and do it yourself. They have dyes for every kind of fluid a car has. A very handy tool and not very expensive either.
if your car is missing and you have a coolant leak and you coolant light is on let me the first to tell you that your intake manifold gasket is leaking , GMs finest intake manifold gaskets are made of some sort of plastic and they love to leak, especially in the 3100 v6 many probes with that intake.. as for the spark plugs in the back ,if you have front motor mounts that are accessible, remove them so you can tilt the engine foward that is the easyst way to change the back ones
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