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Unknown major coolant leak

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Old 07-13-2016, 10:28 PM
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Default Unknown major coolant leak

I am experiencing a major coolant leak at the rear of the engine. Everything I put in comes right out. I am physically not able to shimmy under the vehicle to see where it is coming from. Nothing can be seen from the top.
The truck is a 94 F150, 4.9 straight 6. No coolant on the inside of the truck.
Any thoughts on what might be the problem?

Thank you.
Old 07-13-2016, 10:43 PM
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Maybe a freeze plug. Just a guess though.
Old 07-25-2016, 09:41 PM
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Default intake manifold

Originally Posted by rlemoine002
I am experiencing a major coolant leak at the rear of the engine. Everything I put in comes right out. I am physically not able to shimmy under the vehicle to see where it is coming from. Nothing can be seen from the top.
The truck is a 94 F150, 4.9 straight 6. No coolant on the inside of the truck.
Any thoughts on what might be the problem?

Thank you.
On my 302 it was leaking a the lower intake manifold gasket at the rear, did a temp fix with blue devil head gasket sealant until I could replace the gasket.
Old 07-26-2016, 08:10 AM
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On my 5.0L my heater plug fell out and that is where all of my coolant leaked out. On the 5.0 the heater plug/freeze plug is on the passenger side behind the wheel. I dont know where it would be on the 6 cylinder engine tho. Where is is leaking in realtionship to the engine (Where can you see the liquid dripping to passengerside/driver side)?
Old 08-05-2016, 10:37 PM
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Last time I looked, it seemed that the fluid was coming out of the tranny bell housing. Does a 4.9 straight 6 have a freeze plug at the rear of the engine besides the side?



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