single head bolt reinstall

[vikingpower]

I removed one of the head bolts when I was dissasembling my engine, to suck the coolant out of the block (I'm tired of it dribbling out of the holes as I pull the bolts out). I thought I blew another head gasket, but it appears to be intake manifold gasket instead. So when I put the head bolt back in do I need to loosen the rest on that head and retorque them all in order, or can I just torque the one to spec?

 

[BlownFiveLiter]

Just retorque the one. If you loosen all the others, you're going to have to do the headgasket on that side. Depending on which one it is, you'll probably need some sort of sealant on it. I used Permatex blue on all of my head studs, FWIW.