2 options... 1--blown head gasket 2--freeze plug leaking -if the coolant wasn't changed like it should have, it becomes acidic and actually eats away at the gasket. My ford truck had a coolant leak at the very back of the engine on the passenger side
-also, check the heater control valve, also in that same area. They're plastic and fail
Where in back of the motor would coolant leak
2007 Ford F-150
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Maintenance & Repair
coolant has a leak so i bought an O ring. looking at this photo, can anyone tell me if this is where i replace the O ring?
2013 Ford F-150 XLT
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Maintenance & Repair
I have a small external coolant leak around the firewall. However it only leaks when I use the heater or ac. I've noticed dripping around the bell housing area. I've tried locating the source with ...
1996 Ford F-150 XL 4WD LB
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Maintenance & Repair
My F-150 leaks coolant only when cooling down I could park it no leak hour and a half two hours later it'll start dripping
1997 Ford F-150 XL 4WD Extended Cab LB
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Maintenance & Repair
My 85 f150 is gushing coolant faster than I can put it in I've checked thermostat housing hoses and water pump it's leaking from passenger side my mechanic said it was my engine block heaters repl...
1985 Ford F-150 XLT Lariat Extended Cab 4WD LB
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Maintenance & Repair
2007 Ford F-150
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