you shouldn't have to change them unless they are leaking, blown, or you take the heads off for a repair or rebuild
what is the preceger for replacing the head gaskets on a 1993 chevy suburban 4x4 350
Drain the coolant, remove the six nuts on top of the head. Remove the head and take off the old gasket. Clean both surfaces and put the new gasket on. Put the head on and tighten the nuts down in a crisscross pattern. I think they get torqued to eighteen pounds.
replace head gasket
Yes it is. It will go right in there with no problems. Will not have to change anything.
no it cannot be done
yes
Yes
Yes
A large vacuum leak. Check the gasket under the throttle body for leaks.
Yes there the same.
either a cracked head or a blown head gasket.
Not to fear, it is not, was not the head. Replaced the oil seal on the crank, no more oil leaks. Cost: $40, parts and labor.