Water pouring out from under cherokee as fast as i pour in

Core plug may have popped out, heater hose may have come off. Take it to a garage and hope the repair is not too expensive or take a look and then you will know what to expect.

It is probably is the heater hose or the heater return hose.

Check the front corner of the intake gasket. Very common problem

Sounds Ike a frost plug has gone bad. You need to get under the vehicle and take a look. Year, make, model, and engine size?

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It might be a freeze plug, but I bet it is an O-ring on a pipe back there under the manifold that is leaking, It is a job to get to, but it can be done. Either way, you have to take a bunch of stuff out of the way. There are about 10 little pipes running around back there and one or two big ones, about 1 1/4 dia. Check it out.

ryder2011, An overheating situation where the coolant is pouring out of the overflow usually means that you have a bad head gasket. Combustion gases are getting by the gasket and heating the coolant in the water jackets by the cylinder head. The coolant heats up very fast and escapes from the overflow bottle. Having the head gaskets replaced should resolve this problem. Good luck with this.

Your heater core is leaking and needs to be replaced. Nasty job so have a mechanic do it.

You will have to get under there to see exactly where the coolant is pouring out from, while someone is pouring it in. That's the only way to determine exactly what is leaking. Might just simply be a hose.

You have a bad casting plug in the side of the engine. A lot of people call them freeze plugs because they pop out if the coolant freezes. They also rust through. They are driven in place and the size can be looked up at the parts store. You will want to change all of them . Lee
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my 91 did the same thing an all i did was pull the thermostat out.it now runs at 210 degrees and i live in phoenix,az.115 degrees outside.