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98 GTP with excessive pressure in cooloing system

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phil morris

New member
PLease help

I have recently completed a head gasket job on a 98 GTP and all of a sudden after driving it fine for about a week I started to notice a bulge in the upper radiator hose and went to bleed it and discovered a ton of air/pressure
I bleed it all out and it keeps coming back
There is no water in oil no leaks anywhere and Im stumped
 


Do a compression and cylinder leak down test. Both cold and warm. if you have a leak of combustion gasses into the coolant jacket, it would be happening at the HG.

Which bolts and what torque etc did you use?
 
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