Remove intake and exhaust manifolds, and then remove the head. This is a major repair that should only be attempted by someone who is competent.
The price to replace a blown head gasket on a Chrysler Sebring V6 should be around $1,000.00. The price can vary depending on where you have the repairs made or if you replace it yourself.
It requires replacing the head gasket.
Replacing the head gasket on any vehicle is a long and complicated process, however if you wish to see basic step-by-step instructions go to the related question on the right side of the page "How do you replace a head gasket?"
In short you have to take the head off, replace the gasket/s and replace the head. You best bring it to a pro.
It should be on the drain plug.
Water pump gasket, head gasket, water tube,
Expect to spend from $800 to $1200.
you need to take the intake maniflod off, and the 2 screws on the back of the manifold. total time 2.5 hours, replace intake gasket or reseal it...
Take it off, replace the gasket
Remove upper and lower engine intakes. Tie back or label tubes so not to loose reconnections. Once everything is remove the gasket is exposed. Pull gasket replace, then return intakes and labeled tubes.
A person can change the oil pan gasket on a 1995 Chrysler 3.5 engine by first draining the oil. The pan is then unbolted, the original gasket removed, and a new one put in place.
Depending on the engine ball park $700.00 to $1500.00 or higher if the heads are warped etc. There are two heads, never replace just one gasket.