I ran my formula the other day and when I shut it off I heard this hissing from under the hood. It is comint from the front passenger side where the TPI base touches the head. It is bubbling out coolant. It is not a bad leak, just annoying to know that I have it. My question is since it is leaking coolant, could it be my head gasket or is it just my intake gasket like it looks. I am hoping it is just the intake gasket, because pulling that pass side head of will not be fun. Any info would be appreciated. Thanks...

 

If it was your head gasket, it would probably be exhausting white smoke.

 

Its the intake gasket. Mine was doing the same thing. I got a nasty surprise when I finally removed my intake manifold, it would seem that the previous owners had been ignoring my intake gasket leak for quite somw time. The intake ports on the #2 and 4 cylinder were caked with crud from the antifreeze that was leaking into the head. I had to get my heads refurbished. Big job for a first timer!Good luck and I hope your passenger side head is ok.

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1990 Iroc convertible,305 tpi,Black with black leather interior,lowered,Taylor 8mm wires,K&N's