For leaking head gasket it has to be replaced.For head gasket leaking and other troubleshooting,there are help links provided.Its suggested to click the link below and go through the troubleshooting procedure to confirm the issue :-----
Leaking head gaskets?
http://schematicsdiagram.blogspot.com/2011/12/leaking-head-gaskets.html-----------Water in engine oil? http://schematicsdiagram.blogspot.com/2011/12/water-in-engine-oil.html-----------How to replace head gasket on car?
http://schematicsdiagram.blogspot.com/2011/12/how-to-replace-head-gasket-on-1994.html-------------
How to know what is faulty Cylinder head or Head gasket?
http://schematicsdiagram.blogspot.com/2011/12/how-to-know-what-is-faulty-cylinder.html--------------
Can I just replace Head Gasket on 1991 Buick Century?
http://schematicsdiagram.blogspot.com/2011/12/can-i-just-replace-head-gasket-on-1991.html
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Location of Head Gasket ?
http://schematicsdiagram.blogspot.com/2011/12/location-of-head-gasket-on-1994-grand.html
------------------------HOW TO REPLACE A HEAD GASKET
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-head-gasket.html
----------------How to replace Exhaust Manifold?
http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-exhaust-manifold-on.html
-------------------How to replace Intake Manifold?
http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-intake-manifold-on-acura.html
---------------How to replace Cylinder Head ?
http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-cylinder-head-on-acura.html
---------Is it Easy to replace head gasket?
http://schematicsdiagram.blogspot.com/2011/12/is-it-easy-to-replace-head-gasket-on.html
------------Should I only replace head gaskets or complete head gasket assembly?
http://schematicsdiagram.blogspot.com/2011/12/should-i-only-replace-head-gaskets-or.html
---------This will help.Thanks.
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