1998 Coolant issues at manifold.

Mwhiten

New Member
Mar 6, 2020
1
0
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45
Atlanta,Ga
I have a1998 Cobra that just recently wanted to run hot. I originally thought it was a radiator hose that burst but upon further inspection the leak was coming from someone near the upper intake manifold. I can’t really see where it’s coming from exactly. Has anyone else ever had this issue and what does it take to fix it.
 
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Jimmy5

New Member
Feb 15, 2020
13
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65
Salem, Oregon
Had same issue with My 1998 GT Mustang. Intake manifold has like O-ring type gaskets around every air intake tubes and water line holes. You either will have Original intake manifold or if it were ever changed out, as mine was for the "Dorman" intake manifold. I found my set of O-ring gasket set at Advance Auto parts store in stock. My leak was coming from drivers side rear, water would go into plug hole and make engine Miss.

The work was a do it Yourself with patience. Take photo's of wire and vacuum hose routings, label all connections. So all wires, hoses, and injector wires (injectors can stay in the manifold. If You take injectors out, and they are old and dirty. You will need new O-rings on them to seal). will either lay to the firewall or will lay to the front of the engine. Take photo of wire routing of the Crankshaft Pick-up Sensor. This intake manifold is made of plastic (unbelievable) and the passenger side rear water hose inlet can break. If I remember correctly a whole New intake manifold w/O-ring gaskets $225.
 
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