lx5.0

could breaking a bolt on the lower intake close to one of the water ports cause coolant to leak

primetime5.0

i would say so

NoGo95GT

Yes, like Prime said. Did you install the the intake gaskets backwards? You may also have a vacuum leak, if there is a broken bolt. How is your idle?

lx5.0

that sucks i just broke one but i didnt think it would leak but i guess it did all my oil got like chocolate milk at first i thought i had an blown head gasket but i guess ill blame on that broken bolt if i get chocolate milk again then i guess it is going to be the head gasket good thing was that i was able to unscrew broken piece that was screwed on to head with hand

primetime5.0

pull the intake and see if anything is hanging out of the head, hope you can get it out somehow

NoGo95GT

It's very hard to blow a head gasket. Usually, too lean a mixture will cause that to happen. And I know you just installed an intake last week, so my bet is on the broken bolt. Remember to change the oil. Oh and last week I gave you the wrong part number for the gasket. Sorry about that. It was for the Ford Racing version of the gasket. The dealership does not carry the Ford racing stuff. Good luck!

lx5.0

heres a pic of where bolt broke, it was screwed in more but i was able to unscrew it you think that could of caused coolant to leak even if the screw if that far from water port

lx5.0

lol yeah i did notice you gave me wrong gasket number no parts store could find that number untill i called the guy who sold me intake and said just ask for an 96 explorer gasket and thats when i noticed it was just the last number that was diffrent. This intake is driving me crazy ive unbolted it and bolted it on so many times trying to find a vac leak, this is going to be like my third oil change

NoGo95GT

So, did all of this occur after the intake manifold installation? Did you ever get the car timed correctly? That bolt really got in there. Luckily you were able to get it out. Did you re-tap the threads?

camaroeater

i used thread sealant on the lower intake bolts that go through the coolant passages. Also, i put it on the threads of the ACT sensor, coolant temp sensor, and the heater rail. Are you tightening bolts with a torque wrench?